Oregon

Oregon drinking water quality

Every public water system in Oregon we've verified. Each report covers one calendar year and shows the utility's own measured contaminant levels against federal limits.

Want the national picture? See where Oregon lands in our ranking of the states with the most open health-based water violations, pulled from the EPA's own records for every U.S. public water system.

1,268 water systems mapped in Oregon · showing the 800 with the most contaminant flags — explore them all on the map

Browse all 1,268 systems A–Z:1234

• Bend (2025)
  22 contaminants measured· 1 at or above the limit
• Umpqua Basin Water Assoc (2025)
  1 contaminants measured· 1 at or above the limit
• Robbins Nest Residential Park (2025)
  1 contaminants measured· 1 at or above the limit
• Vineyard Mountain Water (2025)
  1 contaminants measured· 1 at or above the limit
• Lowell, City of (2025)
  1 contaminants measured· 1 at or above the limit
• Fern Valley Estates Impr Dist (2025)
  1 contaminants measured· 1 at or above the limit
• Clarks Branch Water Assoc (2025)
  1 contaminants measured· 1 at or above the limit
• Ocean Pines Park (2025)
  1 contaminants measured· 1 at or above the limit
• South Fork Water Board (2007)
  1 contaminants measured· 1 at or above the limit
• Brewster Community Homeowners (2025)
  1 contaminants measured· 1 at or above the limit
• Mckenzie Palisades Water Board (2024)
  1 contaminants measured· 1 at or above the limit
• Grandview Mobile Home Park (2025)
  1 contaminants measured· 1 at or above the limit
• Emerald Valley Mh & Rv Park (2024)
  1 contaminants measured· 1 at or above the limit
• Grants Pass Mobile Home Park Llc (2025)
  1 contaminants measured· 1 at or above the limit
• Kozy Acres Water System (2024)
  1 contaminants measured· 1 at or above the limit
• Big Foot Mhp (2024)
  1 contaminants measured· 1 at or above the limit
• Lakeside Foods (2025)
  1 contaminants measured· 1 at or above the limit
• Nestucca High School (2025)
  1 contaminants measured· 1 at or above the limit
• Applegate Elementary 66 (2025)
  1 contaminants measured· 1 at or above the limit
• Cascades Elementary (2023)
  1 contaminants measured· 1 at or above the limit
• Willamettans, the (2025)
  1 contaminants measured· 1 at or above the limit
• Ninety-one Elem Sd 91 (2024)
  1 contaminants measured· 1 at or above the limit
• West Dutton Condo Association (2025)
  1 contaminants measured· 1 at or above the limit
• Sandy, City of (2022)
  1 contaminants measured
• Drain, City of (2025)
  1 contaminants measured
• Sunshine Village (2025)
  1 contaminants measured
• Hiland Wc - Westwood (2025)
  1 contaminants measured
• Eagle Crest Mobile Home Park (2023)
  1 contaminants measured
• Rocky Pointe Marina (2023)
  1 contaminants measured
• Tideland Water Co-op (2023)
  1 contaminants measured
• Clover Ridge Elementary (2025)
  1 contaminants measured
• House of Glory Lebanon (2025)
  1 contaminants measured
• Union Pacific Rr-hinkle Yard (2025)
  1 contaminants measured
• Student Transportation of America (2024)
  1 contaminants measured
• Nutrien Ag Solutions (2024)
  1 contaminants measured
• Lakewood Rv Park (2025)
  1 contaminants measured
• Tangent Business Park (2023)
  1 contaminants measured
• Three Rivers Charter School (2025)
  1 contaminants measured
• Pae Living Building (2025)
  1 contaminants measured
• Albany Trailer and Rv Park, Llc (2022)
  1 contaminants measured
• Periwinkle Mobile Home Park (2024)
  1 contaminants measured
• John Day Water District (2020)
  1 contaminants measured
• Canby Regency (2025)
  1 contaminants measured
• Canyon City Water Department (2025)
  1 contaminants measured
• Sumner Water Corporation (2024)
  1 contaminants measured
• West Laurel Acres Water Co (2022)
  1 contaminants measured
• London Water Co-op (2025)
  1 contaminants measured
• Cedarhurst Improvement Club (2025)
  1 contaminants measured
• Mint Acres Water Co-op (2025)
  1 contaminants measured
• Wisemans Mobile Court (2025)
  1 contaminants measured
• Lakeside Mobile Home & Rv Park (2024)
  1 contaminants measured
• Lakeview, City of (2023)
  1 contaminants measured
• Malin Municipal Water (2025)
  1 contaminants measured
• Maupin, City of (2025)
  1 contaminants measured
• North Bayside Estates-north (2024)
  1 contaminants measured
• Timberline Rim Water Co Inc (2024)
  1 contaminants measured
• Portland Water Bureau (2025)
  1 contaminants measured
• J & M Mobile Home Park (2023)
  1 contaminants measured
• Porter Creek Mobile Home Park (2024)
  1 contaminants measured
• Hideaway Hills Water Company (2025)
  1 contaminants measured
• Deer Island Village Mhp (2024)
  1 contaminants measured
• Bigfoot Acres (2024)
  1 contaminants measured
• North Corvallis Mhp-well #1 (2024)
  1 contaminants measured
• Zig Zag Village Water System (2025)
  1 contaminants measured
• Barnes Butte Hoa (2024)
  1 contaminants measured
• Sauvie Island Moorage (2024)
  1 contaminants measured
• Caveman Mobile Home Park (2023)
  1 contaminants measured
• Shelley Road-crest Acres Wd (2025)
  1 contaminants measured
• Unity, City of (2023)
  1 contaminants measured
• Berndt Creek Water Corp (2023)
  1 contaminants measured
• River Village Mhp (2023)
  1 contaminants measured
• Prospect Charter School (2022)
  1 contaminants measured
• Crawfordsville Elem Sd 55 (2023)
  1 contaminants measured
• Pioneer Villa (2025)
  1 contaminants measured
• Pleasant Valley Elem Sd #55 (2025)
  1 contaminants measured
• Days Creek Charter School (2025)
  1 contaminants measured
• Eagle Valley Rv Park (2025)
  1 contaminants measured
• Union School (2024)
  1 contaminants measured
• Holley Elementary Sd 55 (2024)
  1 contaminants measured
• Oak Hill School (2025)
  1 contaminants measured
• Milo Adventist Academy #2 (2025)
  1 contaminants measured
• Southlake Church Ws (2025)
  1 contaminants measured
• Adams Water Dept, City of (2024)
  1 contaminants measured
• Adrian, City of (2024)
  1 contaminants measured
• Adair Village Water System (2025)
  1 contaminants measured
• Grim Estates (2024)
  1 contaminants measured
• Albany, City of (2023)
  1 contaminants measured
• Amigo Villa Water Service Inc (2023)
  1 contaminants measured
• Eden Park Homeowners (2024)
  1 contaminants measured
• Scravel Hill Water Co-op (2023)
  1 contaminants measured
• Redwood Water Service Inc (2025)
  1 contaminants measured
• Fir View Water Company (2023)
  1 contaminants measured
• Grand Prairie Water Supply Co (2024)
  1 contaminants measured
• Hafez Water System (2025)
  1 contaminants measured
• Camelot Mobile Home Park (2024)
  1 contaminants measured
• Oakvilla Mobile Home Park (2025)
  1 contaminants measured
• Oakwood Water System Inc (2024)
  1 contaminants measured
• Amity, City of (2024)
  1 contaminants measured
• Antelope, City of (2023)
  1 contaminants measured
• Applegate Mobile Park (lower) (2023)
  1 contaminants measured
• Falcon Cove Beach Wd (2025)
  1 contaminants measured
• Arlington City Water Supply (2025)
  1 contaminants measured
• Ashland Water Department (2025)
  1 contaminants measured
• Clayton Creek Mh Estates (2024)
  1 contaminants measured
• Ashland Acres Mobile Estates (2023)
  1 contaminants measured
• Bear Creek Mobile Home Park (2025)
  1 contaminants measured
• Jackson Wellsprings (2025)
  1 contaminants measured
• Nauvoo Mobile Estates (2023)
  1 contaminants measured
• Ashland Country Estates (2024)
  1 contaminants measured
• Burnside Water Association (2023)
  1 contaminants measured
• Astoria, City of (2024)
  1 contaminants measured
• Olney-walluski Water Assn (2023)
  1 contaminants measured
• Willow Dale Water District (2023)
  1 contaminants measured
• Fernhill Community Wtr System (2025)
  1 contaminants measured
• Knappa Water Association (2024)
  1 contaminants measured
• Youngs River Lewis & Clark Wd (2025)
  1 contaminants measured
• Wickiup Water District (2023)
  1 contaminants measured
• Athena, City of (2024)
  1 contaminants measured
• Aumsville, City of (2023)
  1 contaminants measured
• Century Meadows Inc (2023)
  1 contaminants measured
• Aurora, City of (2023)
  1 contaminants measured
• Deer Creek Estates (2023)
  1 contaminants measured
• Sunset Water System Inc (2025)
  1 contaminants measured
• Western Wagon Village (2023)
  1 contaminants measured
• Baker City (2025)
  1 contaminants measured
• Bandon, City of (2024)
  1 contaminants measured
• Banks Water Department (2025)
  1 contaminants measured
• Star Satellite Improv Dist (2024)
  1 contaminants measured
• Barlow, City of (2022)
  1 contaminants measured
• Bay City Water System (2025)
  1 contaminants measured
• Kilchis Water District (2025)
  1 contaminants measured
• Beaverton, City of (2024)
  1 contaminants measured
• Juniper Mobile Park (2025)
  1 contaminants measured
• Black Butte Ranch Corporation (2024)
  1 contaminants measured
• Tollgate Water Company (2024)
  1 contaminants measured
• Hunnell Hills Water System (2025)
  1 contaminants measured
• Avion Wc - Greater Avion (2024)
  1 contaminants measured
• Avion Wc - Chaparral (2024)
  1 contaminants measured
• Avion Wc-klippel (2024)
  1 contaminants measured
• Ponderosa Pines Water Company (2023)
  1 contaminants measured
• Sun Mountain Water System Llc (2025)
  1 contaminants measured
• Cimmarron City Water System (2025)
  1 contaminants measured
• Roats Water System (2025)
  1 contaminants measured
• Sunset Acres Water Co-op Inc (2025)
  1 contaminants measured
• Deschutes Mobile Park (2024)
  1 contaminants measured
• Four Seasons Mhp (2023)
  1 contaminants measured
• Wallace Acres Water Company (2023)
  1 contaminants measured
• Avion Wc - Cinder Butte Ests (2024)
  1 contaminants measured
• Avion Wc - Sun Country Wtr Saddleback (2025)
  1 contaminants measured
• Fishhawk Lake Reserve and Community (2025)
  1 contaminants measured
• Blue River Water District (2024)
  1 contaminants measured
• Bly Water District (2024)
  1 contaminants measured
• Boardman, City of (2024)
  1 contaminants measured
• Kelso Water Assn (2025)
  1 contaminants measured
• Boring Water District No 24 (2025)
  1 contaminants measured
• Eastmont Water Company (2025)
  1 contaminants measured
• Ranchero Petite Improv Dist (2022)
  1 contaminants measured
• Barlow Trail Estates (2023)
  1 contaminants measured
• Orient Drive Mobile Estates (2023)
  1 contaminants measured
• Pioneer Mobile Home Park (2024)
  1 contaminants measured
• Brightwood Water Works (2025)
  1 contaminants measured
• Mountain Air Water Assoc (2023)
  1 contaminants measured
• Brookings, City of (2025)
  1 contaminants measured
• Harbor Water Pud (2025)
  1 contaminants measured
• Bethel Park (2025)
  1 contaminants measured
• Brownsville, City of (2024)
  1 contaminants measured
• Burns Water Department (2023)
  1 contaminants measured
• Butte Falls, Town of (2025)
  1 contaminants measured
• Canby Utility (2024)
  1 contaminants measured
• Dietz Air Park Water System (2024)
  1 contaminants measured
• Lark Meadows Association (2025)
  1 contaminants measured
• Petes Mountain Water Co (2025)
  1 contaminants measured
• Cannon Beach, City of (2024)
  1 contaminants measured
• Canyonville, City of (2025)
  1 contaminants measured
• Carlton, City of (2023)
  1 contaminants measured
• Cascade Locks, City of (2025)
  1 contaminants measured
• Knoll Terrace Park (2025)
  1 contaminants measured
• Central Point, City of (2024)
  1 contaminants measured
• Gold Hill Mobile Home Park (2022)
  1 contaminants measured
• Chiloquin Municipal Water Dept (2025)
  1 contaminants measured
• Christmas Valley Domestic Ws (2024)
  1 contaminants measured
• Clackamas River Water (2025)
  1 contaminants measured
• Carver Mobile Ranch (2023)
  1 contaminants measured
• Terrace Mobile Plaza (2024)
  1 contaminants measured
• Clatskanie, City of (2024)
  1 contaminants measured
• Westport Heights (2025)
  1 contaminants measured
• Quincy Water Association (2025)
  1 contaminants measured
• Beaver Water District (2024)
  1 contaminants measured
• Coburg, City of (2023)
  1 contaminants measured
• Colton Water District (2025)
  1 contaminants measured
• Columbia City Mun Waterworks (2024)
  1 contaminants measured
• Condon, City of (2024)
  1 contaminants measured
• Coos Bay North Bend Wtr Brd (2023)
  1 contaminants measured
• Coquille, City of (2025)
  1 contaminants measured
• Garden Valley Water Association (2025)
  1 contaminants measured
• Laurel Acres Water Co Inc (2024)
  1 contaminants measured
• Cornelius, City of (2023)
  1 contaminants measured
• Roth Development (2010)
  1 contaminants measured
• Westview Mobile Estates (2024)
  1 contaminants measured
• Whispering Pines Mobile Lodge (2024)
  1 contaminants measured
• Woodland Mobile Home Park (2023)
  1 contaminants measured
• Corvallis, City of (2023)
  1 contaminants measured
• Childrens Farm Home Campus (2024)
  1 contaminants measured
• Ridgewood Dist Improv Co (2024)
  1 contaminants measured
• Weslinn Water Company (2025)
  1 contaminants measured
• Colorado Lake Coop (2024)
  1 contaminants measured
• Cottage Grove, City of (2024)
  1 contaminants measured
• Hilltop Improvement District (2024)
  1 contaminants measured
• Lamontai Improvement Wtr Dist (2024)
  1 contaminants measured
• Riverstone Mobile Home Park (2023)
  1 contaminants measured
• Crescent Wtr Supply & Impr Dist (2023)
  1 contaminants measured
• Creswell, City of (2025)
  1 contaminants measured
• Dallas, City of (2024)
  1 contaminants measured
• Milo Academy (2023)
  1 contaminants measured
• Hopewell Water Company (2022)
  1 contaminants measured
• Dayton, City of (2024)
  1 contaminants measured
• Dayville, City of (2024)
  1 contaminants measured
• Depoe Bay, City of (2023)
  1 contaminants measured
• Detroit Water System (2025)
  1 contaminants measured
• Donald, City of (2024)
  1 contaminants measured
• Dufur, City of (2023)
  1 contaminants measured
• Dundee, City of (2023)
  1 contaminants measured
• Paradise Community Assoc (2024)
  1 contaminants measured
• Twin Island Community (2021)
  1 contaminants measured
• Currinsville Mobile Home Park (2022)
  1 contaminants measured
• Eagle Point, City of (2025)
  1 contaminants measured
• Paradise/rogue Meadows Ws (2025)
  1 contaminants measured
• Echo, City of (2024)
  1 contaminants measured
• Elgin Water Department (2025)
  1 contaminants measured
• Elkton, City of (2023)
  1 contaminants measured
• Enterprise, City of (2023)
  1 contaminants measured
• Estacada, City of (2025)
  1 contaminants measured
• Springwater Estates (2025)
  1 contaminants measured
• Lakeshore Water Company (2023)
  1 contaminants measured
• Village at Seavey Loop (2024)
  1 contaminants measured
• Orchard Point Mobile Homes (2025)
  1 contaminants measured
• Eugene Water & Electric Board (2024)
  1 contaminants measured
• Seavey Loop Water Company (2023)
  1 contaminants measured
• Staffordshire Water System (2024)
  1 contaminants measured
• Mobilife Water Company Inc (2024)
  1 contaminants measured
• Big Spruce Mhp Llc (2025)
  1 contaminants measured
• Fairview, City of (2025)
  1 contaminants measured
• Falls City, City of (2024)
  1 contaminants measured
• Florence, City of (2025)
  1 contaminants measured
• Heceta Water Peoples Utility District (2024)
  1 contaminants measured
• South Coast Water Company (2025)
  1 contaminants measured
• Alderwood Water Dev Co (2025)
  1 contaminants measured
• Forest Grove, City of (2023)
  1 contaminants measured
• South Hills Water System (2025)
  1 contaminants measured
• Fossil, City of (2024)
  1 contaminants measured
• Garibaldi Water System (2024)
  1 contaminants measured
• Gaston, City of (2024)
  1 contaminants measured
• La Water Co-op (2024)
  1 contaminants measured
• Laurelwood Water Users (2024)
  1 contaminants measured
• Gates, City of (2025)
  1 contaminants measured
• Gearhart Water Department (2025)
  1 contaminants measured
• Gervais Water Department (2024)
  1 contaminants measured
• Gilchrist Water System Llc (2023)
  1 contaminants measured
• Gladstone, City of (2023)
  1 contaminants measured
• Glendale, City of (2023)
  1 contaminants measured
• Kernville-gleneden-linc Bch Wd (2025)
  1 contaminants measured
• Glide Water Association (2023)
  1 contaminants measured
• Nesika Beach-ophir Wd (2025)
  1 contaminants measured
• Gold Hill, City of (2023)
  1 contaminants measured
• Sunny Slope Mobile Ranch (2025)
  1 contaminants measured
• Government Camp Water System (2025)
  1 contaminants measured
• Rock Creek Water District (2025)
  1 contaminants measured
• Grand Ronde Community Wtr Assn (2024)
  1 contaminants measured
• Country Estates Mobile Park (2023)
  1 contaminants measured
• Country Village Mobile Estates (2025)
  1 contaminants measured
• Grants Pass, City of (2023)
  1 contaminants measured
• Fruitdale Heights Water Co (2023)
  1 contaminants measured
• Sky Crest Heights Homeowners (2024)
  1 contaminants measured
• Family Redwood Park Cooperative (2025)
  1 contaminants measured
• Fruitdale Trailer Park (2023)
  1 contaminants measured
• Highland Heights Estates (2024)
  1 contaminants measured
• River Haven Mobile Home Estates (2025)
  1 contaminants measured
• Grass Valley Water System (2025)
  1 contaminants measured
• Gresham, City of (2025)
  1 contaminants measured
• Kingswood Heights Water Co-op (2020)
  1 contaminants measured
• Corbett Water District (2024)
  1 contaminants measured
• Pleasant Home Water District (2025)
  1 contaminants measured
• Lusted Water District (2024)
  1 contaminants measured
• Haines, City of (2025)
  1 contaminants measured
• Halfway, City of (2025)
  1 contaminants measured
• Halsey, City of (2023)
  1 contaminants measured
• Harrisburg, City of (2024)
  1 contaminants measured
• Hebo Joint Water & Sanitary Auth (2025)
  1 contaminants measured
• Helix, City of (2025)
  1 contaminants measured
• Heppner, City of (2023)
  1 contaminants measured
• Black Mountain Water District (2024)
  1 contaminants measured
• Charles Tracts Water Company (2024)
  1 contaminants measured
• Hermiston, City of (2023)
  1 contaminants measured
• North Hill Water Corporation (2023)
  1 contaminants measured
• Power City Water Co-op (2023)
  1 contaminants measured
• Joint Water Commission (2007)
  1 contaminants measured
• Wolsborn Farms Water District (2023)
  1 contaminants measured
• Hines Water Department (2023)
  1 contaminants measured
• Idaho Power-oxbow Village (2023)
  1 contaminants measured
• Hood River, City of (2025)
  1 contaminants measured
• Crystal Springs Water District (2023)
  1 contaminants measured
• Ice Fountain Water District (2023)
  1 contaminants measured
• Hubbard, City of (2024)
  1 contaminants measured
• Hoodview Mobile Estates (2025)
  1 contaminants measured
• Olds Mobile Park (2023)
  1 contaminants measured
• Huntington, City of (2025)
  1 contaminants measured
• Idanha City Water (2025)
  1 contaminants measured
• Independence Water System (2023)
  1 contaminants measured
• Ione, City of (2025)
  1 contaminants measured
• Irrigon, City of (2025)
  1 contaminants measured
• Jacksonville, City of (2024)
  1 contaminants measured
• Ryans Outpost (2024)
  1 contaminants measured
• Jefferson, City of (2025)
  1 contaminants measured
• Jefferson Mobile Acres (2024)
  1 contaminants measured
• John Day, City of (2025)
  1 contaminants measured
• Jordan Valley, City of (2023)
  1 contaminants measured
• Joseph, City of (2024)
  1 contaminants measured
• Junction City Water Utilities (2025)
  1 contaminants measured
• Shadow Hills Park Water Co-op (2022)
  1 contaminants measured
• Fernridge Mobile Estates (2022)
  1 contaminants measured
• Harwoods Mobile Manor (2025)
  1 contaminants measured
• Prairie Winds of Junction City Llc (2024)
  1 contaminants measured
• Keno Water Co Inc (2024)
  1 contaminants measured
• Pine Grove Water Dist (klamath) (2024)
  1 contaminants measured
• Round Lake Water Utilities (2023)
  1 contaminants measured
• Skyline View Dist Improvement (2024)
  1 contaminants measured
• Klamath Falls Water Dept (2024)
  1 contaminants measured
• Crossroads Mobile Home Park (2024)
  1 contaminants measured
• Lafayette, City of (2025)
  1 contaminants measured
• La Grande, City of (2023)
  1 contaminants measured
• Island City (2022)
  1 contaminants measured
• Flying K Trailer Ranch (2023)
  1 contaminants measured
• Lake Oswego Municipal Water (2023)
  1 contaminants measured
• Riverbend-riverbank Community (2023)
  1 contaminants measured
• Glenmorrie Cooperative Assn (2025)
  1 contaminants measured
• Lake Grove Water District (2025)
  1 contaminants measured
• Rivergrove Water District (2025)
  1 contaminants measured
• Skylands Water Company (2025)
  1 contaminants measured
• Lakeside Water District (2024)
  1 contaminants measured
• Langlois Water District (2024)
  1 contaminants measured
• Fir Grove Mobile Court (2024)
  1 contaminants measured
• Lebanon, City of (2025)
  1 contaminants measured
• Lawrence Subdivision Wtr Assn (2023)
  1 contaminants measured
• Halcyon Villa Mobile Home Park (2023)
  1 contaminants measured
• Santiam Village (2024)
  1 contaminants measured
• Cascadia Mobile Park (2024)
  1 contaminants measured
• Lexington, Town of (2025)
  1 contaminants measured
• Hiland Wc - Bear Creek (2024)
  1 contaminants measured
• Lincoln City, City of (2023)
  1 contaminants measured
• Long Creek, City of (2023)
  1 contaminants measured
• Lostine, City of (2024)
  1 contaminants measured
• Lyons Mehama Water District (2025)
  1 contaminants measured
• Mcminnville Water & Light (2023)
  1 contaminants measured
• Mcnary Oaks Mobile Villa (2025)
  1 contaminants measured
• Madras, City of (2024)
  1 contaminants measured
• Deschutes Valley Water Dist (2025)
  1 contaminants measured
• Manzanita, City of (2023)
  1 contaminants measured
• Neahkahnie Water District (2024)
  1 contaminants measured
• Mapleton Water District (2024)
  1 contaminants measured
• Marcola Water District (2025)
  1 contaminants measured
• Medford Water Commission (2025)
  1 contaminants measured
• Blue Spruce Mobile Estates (2024)
  1 contaminants measured
• Cobblestone Mhp (2025)
  1 contaminants measured
• Merrill Water Department (2024)
  1 contaminants measured
• Mill City Water Department (2024)
  1 contaminants measured
• Vincent Water Company (2024)
  1 contaminants measured
• Milton-freewater, City of (2025)
  1 contaminants measured
• Green Acres Mhp - Umatilla Co (2024)
  1 contaminants measured
• Villadom Mobile Home Park (2025)
  1 contaminants measured
• Milwaukie, City of (2025)
  1 contaminants measured
• Mitchell, City of (2024)
  1 contaminants measured
• Molalla, City of (2024)
  1 contaminants measured
• Monmouth, City of (2024)
  1 contaminants measured
• Luckiamute Domestic Water Coop (2023)
  1 contaminants measured
• Monroe, City of (2025)
  1 contaminants measured
• Monument, City of (2025)
  1 contaminants measured
• Moro, City of (2023)
  1 contaminants measured
• Mosier, City of (2023)
  1 contaminants measured
• Mount Angel, City of (2025)
  1 contaminants measured
• Mount Vernon, City of (2024)
  1 contaminants measured
• Mulino Water District (2023)
  1 contaminants measured
• Tri-city Jw&sa (2025)
  1 contaminants measured
• Myrtle Creek, City of (2025)
  1 contaminants measured
• Myrtle Point, City of (2025)
  1 contaminants measured
• Bridge Water District (2025)
  1 contaminants measured
• Nehalem, City of (2025)
  1 contaminants measured
• Netarts Water District (2025)
  1 contaminants measured
• Newberg, City of (2024)
  1 contaminants measured
• Chehalem Valley Water Assn (2023)
  1 contaminants measured
• Northwest Newberg Water Assn (2024)
  1 contaminants measured
• Springbrook Water Association (2024)
  1 contaminants measured
• Chehalem Mtn Sun Ridge Water Co (2023)
  1 contaminants measured
• Bay Hills Water Association (2025)
  1 contaminants measured
• Carmel Beach Water District (2022)
  1 contaminants measured
• Newport, City of (2025)
  1 contaminants measured
• Beverly Beach Water District (2023)
  1 contaminants measured
• Sand-n-wood Mobile Villa (2024)
  1 contaminants measured
• North Plains Water Department (2025)
  1 contaminants measured
• North Powder, City of (2023)
  1 contaminants measured
• Nyssa, City of (2024)
  1 contaminants measured
• North Clackamas County Wc (2007)
  1 contaminants measured
• Oakland, City of (2024)
  1 contaminants measured
• Oakridge, City of (2023)
  1 contaminants measured
• High Prairie Villa Wtr System (2022)
  1 contaminants measured
• Oceanside Water District (2024)
  1 contaminants measured
• Ontario, City of (2024)
  1 contaminants measured
• Golf Mhp (2024)
  1 contaminants measured
• Clackamas River Water - Clairmont (2025)
  1 contaminants measured
• Excalibur Village (2023)
  1 contaminants measured
• Hiland Wc - Riverbend (2023)
  1 contaminants measured
• Guptil Subdivision (2024)
  1 contaminants measured
• Panther Creek Wd (2025)
  1 contaminants measured
• Hiland Wc - Echo Mountain (2023)
  1 contaminants measured
• Salmon River Valley (2024)
  1 contaminants measured
• Otter Rock Water District (2025)
  1 contaminants measured
• Pacific City Joint Water - San Auth (2024)
  1 contaminants measured
• Tierra Del Mar Water Co (2022)
  1 contaminants measured
• Paisley, City of (2023)
  1 contaminants measured
• Parkdale Water Company Inc (2025)
  1 contaminants measured
• Pendleton, City of (2025)
  1 contaminants measured
• Green Meadows Wtr Corporation (2025)
  1 contaminants measured
• Heritage Improvement District (2025)
  1 contaminants measured
• Mckay Acres Improvement Dist (2024)
  1 contaminants measured
• Rieth Water District (2024)
  1 contaminants measured
• Stewarts Addition (2022)
  1 contaminants measured
• Philomath Public Works (2024)
  1 contaminants measured
• Phoenix, City of (2025)
  1 contaminants measured
• Pilot Rock, City of (2025)
  1 contaminants measured
• Country Club Water District (2025)
  1 contaminants measured
• Sleepy Hollow Water District (2023)
  1 contaminants measured
• Alder Creek Barlow Water Dist (2023)
  1 contaminants measured
• Riverside Water District (2023)
  1 contaminants measured
• Sunrise Water Authority (2023)
  1 contaminants measured
• Southwood Park Water District (2025)
  1 contaminants measured
• Burlington Water District (2025)
  1 contaminants measured
• Palatine Hill Water District (2025)
  1 contaminants measured
• West Slope Water District (2025)
  1 contaminants measured
• Valley View Water District (2025)
  1 contaminants measured
• Lorna Water District (2025)
  1 contaminants measured
• Tualatin Valley Water District (2025)
  1 contaminants measured
• Raleigh Water District (2025)
  1 contaminants measured
• Rockwood Pud (2025)
  1 contaminants measured
• Port Orford, City of (2025)
  1 contaminants measured
• Powers, City of (2023)
  1 contaminants measured
• Prairie City (2025)
  1 contaminants measured
• Ochoco Valley Home Improv Dist (2024)
  1 contaminants measured
• Ochoco West Wtr & San Authority (2025)
  1 contaminants measured
• Prineville, City of (2024)
  1 contaminants measured
• Quail Valley Park Improv Dist (2024)
  1 contaminants measured
• City of Rainier (2024)
  1 contaminants measured
• Goble Water Association (2024)
  1 contaminants measured
• Prescott, City of (2025)
  1 contaminants measured
• Redmond Water Department (2023)
  1 contaminants measured
• Cline Falls Oasis Imprv Dist (2024)
  1 contaminants measured
• Hidden Valley Mbl Ests Imp Dis (2025)
  1 contaminants measured
• La Casa Mia (2024)
  1 contaminants measured
• Desert Terrace Mobile Estates (2022)
  1 contaminants measured
• Reedsport, City of (2024)
  1 contaminants measured
• Rhododendron Wtr Assoc (2025)
  1 contaminants measured
• Richland, City of (2025)
  1 contaminants measured
• Rickreall Water Association (2023)
  1 contaminants measured
• South Umpqua Water Association (2023)
  1 contaminants measured
• Riddle, City of (2025)
  1 contaminants measured
• Lawson Acres Water Association (2024)
  1 contaminants measured
• Rockaway Beach, City of (2025)
  1 contaminants measured
• Rogue River, City of (2025)
  1 contaminants measured
• Umpqua Ranch Coop (2025)
  1 contaminants measured
• Green Area Water & Sanitary Authority (2023)
  1 contaminants measured
• Roseburg, City of (2023)
  1 contaminants measured
• Hiland Wc - Boulder Creek (2024)
  1 contaminants measured
• Rufus Public Works (2025)
  1 contaminants measured
• St Helens, City of (2025)
  1 contaminants measured
• Mcnulty Water Pud (2025)
  1 contaminants measured
• Warren Water Association (2024)
  1 contaminants measured
• St Paul, City of (2025)
  1 contaminants measured
• Trailer Park Village (2024)
  1 contaminants measured
• Salem Public Works (2025)
  1 contaminants measured
• Carolina Water System (2024)
  1 contaminants measured
• Hiland Wc - Helton (2025)
  1 contaminants measured
• Hiland Wc - Heritage Water Company (2024)
  1 contaminants measured
• Keizer, City of (2023)
  1 contaminants measured
• Labish Village Wtr Commission (2025)
  1 contaminants measured
• Lakeshore Terrace (2025)
  1 contaminants measured
• Hiland Wc - Lombard (2025)
  1 contaminants measured
• Hiland Wc - Illahe Golf Club Estates (2025)
  1 contaminants measured
• Surfwood Villa Hoa (2025)
  1 contaminants measured
• Mclain Village Water Dept (2021)
  1 contaminants measured
• Suburban East Salem Wd (2024)
  1 contaminants measured
• Arrowhead Mobile Home Park (2024)
  1 contaminants measured
• Chaparral Mobile Ranch (2024)
  1 contaminants measured
• Green Oaks Park Llc (2023)
  1 contaminants measured
• Lgc Meadowlark Manor Llc (2025)
  1 contaminants measured
• Salem Mobile Estates/shady Acres (2024)
  1 contaminants measured
• Starlite Mobile Village (2025)
  1 contaminants measured
• Sunnyview Mobile Home Park (2022)
  1 contaminants measured
• Orchard Heights Water Assn (2024)
  1 contaminants measured
• Pioneer Park Co-op Inc (2024)
  1 contaminants measured
• Skyview Acres Water Company (2023)
  1 contaminants measured
• Wunder Mobile Park (2025)
  1 contaminants measured
• Scappoose, City of (2023)
  1 contaminants measured
• Country Villa Mobile Estates (2024)
  1 contaminants measured
• Scio, City of (2025)
  1 contaminants measured
• Scio Mobile Village (2025)
  1 contaminants measured
• Scotts Mills, City of (2023)
  1 contaminants measured
• Seal Rock Water District (2024)
  1 contaminants measured
• Seaside Water Department (2025)
  1 contaminants measured
• Arch Cape Water District (2025)
  1 contaminants measured
• Elderberry Nehalem Ws (2025)
  1 contaminants measured
• Maple Elsie Water Service (2025)
  1 contaminants measured
• Seneca, City of (2024)
  1 contaminants measured
• Country View Mh Estates (2025)
  1 contaminants measured
• Harmony Acres Mobile Park (2024)
  1 contaminants measured
• Sheridan, City of (2025)
  1 contaminants measured
• Delphian School (2025)
  1 contaminants measured
• Sherwood, City of (2025)
  1 contaminants measured
• Siletz, City of (2025)
  1 contaminants measured
• Silverton, City of (2023)
  1 contaminants measured
• Palo Mobile Home Park (2023)
  1 contaminants measured
• Silverton Mobile Estates (2025)
  1 contaminants measured
• Sisters, City of (2025)
  1 contaminants measured
• Sno-cap Water System (2024)
  1 contaminants measured
• Indian Meadow Water Company (2024)
  1 contaminants measured
• Sprague River Water Assn (2025)
  1 contaminants measured
• Spray, City of (2023)
  1 contaminants measured
• Deerhorn Community Wtr Assn (2024)
  1 contaminants measured
• Shangri-la Water District (2023)
  1 contaminants measured
• Shenandoah Homeowners Inc (2025)
  1 contaminants measured
• Springfield Utility Board (2024)
  1 contaminants measured
• Rainbow Water District (2024)
  1 contaminants measured
• Applewood Mobile Home Park (2023)
  1 contaminants measured
• Thurston Oaks Mhp (2022)
  1 contaminants measured
• Stanfield, City of (2025)
  1 contaminants measured
• City of Stayton (2024)
  1 contaminants measured
• Sublimity, City of (2023)
  1 contaminants measured
• Sumpter, City of (2023)
  1 contaminants measured
• Sunriver Water Llc/sunriver Utilities (2024)
  1 contaminants measured
• Sutherlin, City of (2025)
  1 contaminants measured
• Sweet Home, City of (2024)
  1 contaminants measured
• Swisshome Village (2025)
  1 contaminants measured
• Talent, City of (2025)
  1 contaminants measured
• Terrebonne Domestic Water District (2025)
  1 contaminants measured
• Circle C Improvement District (2025)
  1 contaminants measured
• Crooked River Ranch Wtr Co (2024)
  1 contaminants measured
• Smith Rock Mobile Estates (2023)
  1 contaminants measured
• Chenowith Pud (2025)
  1 contaminants measured
• The Dalles, City of (2025)
  1 contaminants measured
• Foley Lakes Mobile Home Park (2023)
  1 contaminants measured
• Pinewood Mobile Manor (2024)
  1 contaminants measured
• Tigard, City of (2023)
  1 contaminants measured
• Latimer Road Water Association (2022)
  1 contaminants measured
• Oceanside Wd - Cape Meares (2024)
  1 contaminants measured
• Pleasant Valley Water Co (2025)
  1 contaminants measured
• Northwood Water District Inc (2024)
  1 contaminants measured
• Cloverdale Water District (2025)
  1 contaminants measured
• Fairview Water District (2025)
  1 contaminants measured
• Hunt Water District (2023)
  1 contaminants measured
• Juno Nonprofit Water Improvement Distr (2025)
  1 contaminants measured
• Long Prairie Water District (2024)
  1 contaminants measured
• South Prairie Water Assn (2025)
  1 contaminants measured
• Tillamook Water Dept, City of (2025)
  1 contaminants measured
• West Hills Water Company (2025)
  1 contaminants measured
• Timber Water Association (2020)
  1 contaminants measured
• Toledo Water Utilities (2024)
  1 contaminants measured
• Troutdale, City of (2023)
  1 contaminants measured
• Interlachen Water Pud (2024)
  1 contaminants measured
• Wood Village, City of (2023)
  1 contaminants measured
• Tualatin, City of (2025)
  1 contaminants measured
• Turner, City of (2025)
  1 contaminants measured
• Barlow Water District (2025)
  1 contaminants measured
• Sportsmans Park Water Assn (2025)
  1 contaminants measured
• Tooley Water District (2024)
  1 contaminants measured
• Tygh Valley Water District (2024)
  1 contaminants measured
• Ukiah, City of (2025)
  1 contaminants measured
• Umatilla, City of (2024)
  1 contaminants measured
• Union, City of (2025)
  1 contaminants measured
• Vale, City of (2025)
  1 contaminants measured
• Fern Ridge Shores (2023)
  1 contaminants measured
• Veneta, City of (2023)
  1 contaminants measured
• Vernonia, City of (2025)
  1 contaminants measured
• Sw Lincoln Co Water Pud (2023)
  1 contaminants measured
• Waldport, City of (2023)
  1 contaminants measured
• Riverside Mobile Park (2024)
  1 contaminants measured
• Wallowa, City of (2023)
  1 contaminants measured
• Wamic Water Association (2023)
  1 contaminants measured
• Warrenton, City of (2024)
  1 contaminants measured
• Sunset Lake Rv Park (2024)
  1 contaminants measured
• Wasco, City of (2025)
  1 contaminants measured
• Salmon Valley Water Company (2025)
  1 contaminants measured
• Welches Water Company (2023)
  1 contaminants measured
• Westfir, City of (2024)
  1 contaminants measured
• Westridge Water District (2023)
  1 contaminants measured
• Deception Creek Mobile Park (2025)
  1 contaminants measured
• West Linn, City of (2024)
  1 contaminants measured
• Mossy Brae Water District (2025)
  1 contaminants measured
• Hiland Wc - Shadow Wood (2023)
  1 contaminants measured
• Weston, City of (2025)
  1 contaminants measured
• Westport Water Association (2025)
  1 contaminants measured
• Wauna Water District (2024)
  1 contaminants measured
• Wheeler, City of (2025)
  1 contaminants measured
• Willamina, City of (2025)
  1 contaminants measured
• Wilsonville, City of (2024)
  1 contaminants measured
• Winston-dillard Water District (2024)
  1 contaminants measured
• Yoncalla, City of (2023)
  1 contaminants measured
• Woodburn, City of (2025)
  1 contaminants measured
• Or Youth Authority - Maclaren (2022)
  1 contaminants measured
• Dunn Court Duplexes (2024)
  1 contaminants measured
• Woodburn Mobile Estates (2024)
  1 contaminants measured
• Yachats, City of (2024)
  1 contaminants measured
• Yamhill, City of (2025)
  1 contaminants measured
• Neskowin Reg Water Dist (2025)
  1 contaminants measured
• Cave Junction, City of (2025)
  1 contaminants measured
• College Mobile Home Park (2025)
  1 contaminants measured
• Avion Wc - Wild River (2025)
  1 contaminants measured
• Jackson Creek Water Association (2025)
  1 contaminants measured
• Alsea County Service District (2023)
  1 contaminants measured
• Maple Terrace Mobile Home Park (2025)
  1 contaminants measured
• Mobile Village Mhp Llc (2024)
  1 contaminants measured
• Hillsboro-cherry Grove (2024)
  1 contaminants measured
• Tillicum Park Llc (2023)
  1 contaminants measured
• Lazy Days Mobile Home Park (2025)
  1 contaminants measured
• Arneys Forest View Mhp (2024)
  1 contaminants measured
• Riverwood Mhp Lane Co (2025)
  1 contaminants measured
• Saginaw Park Water System (2025)
  1 contaminants measured
• Dexter Shores Mobile Home Park (2024)
  1 contaminants measured
• Dexter Oaks Co-op (2022)
  1 contaminants measured
• Lakeside Mobile Home Park (2025)
  1 contaminants measured
• Kountry Village (2023)
  1 contaminants measured
• Tivoli Mobile Home Park (2024)
  1 contaminants measured
• Vida-lea Community Cooperative (2023)
  1 contaminants measured
• Bella Casa Park (2025)
  1 contaminants measured
• Caseys Riverside Park (2023)
  1 contaminants measured
• Crown Mobile Home Park (2022)
  1 contaminants measured
• Pp&l-toketee Village (2023)
  1 contaminants measured
• Aldridge Ditch Co Ws (2025)
  1 contaminants measured
• Rosboro Llc Vaughn (2025)
  1 contaminants measured
• Blue Moon Mobile Home Park (2024)
  1 contaminants measured
• Circle Tree Mobile Park/ranch (2023)
  1 contaminants measured
• Country View Mhp (2025)
  1 contaminants measured
• Keiths Mobile Home Park (2024)
  1 contaminants measured
• Scofield Mobile Home Court (2025)
  1 contaminants measured
• Shady Acres Mhp, Llc (2025)
  1 contaminants measured
• Lgc Western Carriage Llc (2025)
  1 contaminants measured
• Madrone Hill Mobile Home Park (2024)
  1 contaminants measured
• Tone Water District (2024)
  1 contaminants measured
• Nestled in Hills (2023)
  1 contaminants measured
• Hogg Heaven Mhp (2022)
  1 contaminants measured
• Cedar Tree Mobile Home Park (2023)
  1 contaminants measured
• Tierra Linda Estates (2022)
  1 contaminants measured
• Country Squire Estates (2025)
  1 contaminants measured
• Deer View Cooperative (2024)
  1 contaminants measured
• Gnr Water District (2023)
  1 contaminants measured
• Table Rock Mobile Estates (south) (2023)
  1 contaminants measured
• Riverbend Mobile Home Park (2025)
  1 contaminants measured
• South Fork Forest Camp (2025)
  1 contaminants measured
• Seventh Mountain Resort (2024)
  1 contaminants measured
• Gold Beach, City of (2024)
  1 contaminants measured
• Rainbow Rock Village Mhp (2025)
  1 contaminants measured
• Highland View Mobile Home Park (2007)
  1 contaminants measured
• Rogue River Mobile Estates (2025)
  1 contaminants measured
• Big Valley Woods Water Corp (2023)
  1 contaminants measured
• Sunset Village Mhp (2024)
  1 contaminants measured
• Johnson Creek Water Service (2013)
  1 contaminants measured
• Rainbow Park Mhp (2024)
  1 contaminants measured
• Falcon Heights (2023)
  1 contaminants measured
• Nps Annie Springs (2023)
  1 contaminants measured
• Usfs Prospect Ranger Station (2025)
  1 contaminants measured
• Usfs Tiller Ranger Station (2025)
  1 contaminants measured
• Usfs Timber Lake Jcc (2024)
  1 contaminants measured
• Usfs Toketee Ranger Station (2025)
  1 contaminants measured
• Usfs Wolf Creek Job Corps (2022)
  1 contaminants measured
• Laidlaw Water District (2023)
  1 contaminants measured
• Lakewood Homeowners (2023)
  1 contaminants measured
• Vista Home Park (2024)
  1 contaminants measured
• Riviera Mobile Park (2024)
  1 contaminants measured
• Mountain Village (2024)
  1 contaminants measured
• Water Wonderland Improv Dist 1 (2025)
  1 contaminants measured
• Royal Estates (2025)
  1 contaminants measured
• Pine Grove Water Dist (wasco) (2024)
  1 contaminants measured
• Halls Trailer Court (2024)
  1 contaminants measured
• Mountain View Co-op (2025)
  1 contaminants measured
• Cline Falls Mobile Home Park (2025)
  1 contaminants measured
• Oregon Water Utilities-pinecrest (2024)
  1 contaminants measured
• Riverview Trailer Park (2024)
  1 contaminants measured
• Shady Cove Mhp (2025)
  1 contaminants measured
• Usfs Mckenzie Work Center (2025)
  1 contaminants measured
• Rees Training Center (2025)
  1 contaminants measured
• Desert Mobile Home Estates (2025)
  1 contaminants measured
• Midland Water Association (2025)
  1 contaminants measured
• Weldon Mobile Home Park (2025)
  1 contaminants measured
• Fischers Place Mhp (2021)
  1 contaminants measured
• Riverview Mfgd Home Court (2024)
  1 contaminants measured
• Columbia Acres Water Assoc (2025)
  1 contaminants measured
• Perrydale Domestic Wtr Assn (2025)
  1 contaminants measured
• Forest Haven Subdivision (2025)
  1 contaminants measured
• Ashdown Wood Water Company (2023)
  1 contaminants measured
• Avion Wc - Tuscarora (2024)
  1 contaminants measured
• Terrand Mobile Terrace (2025)
  1 contaminants measured
• Avion Wc - Tetherow Crossing (2024)
  1 contaminants measured
• Sunny Acres Water District (2024)
  1 contaminants measured
• Mckee Bridge Mobile Home Park (2023)
  1 contaminants measured
• Totem Village Mhp (2024)
  1 contaminants measured
• Western Hills Mh Estates (2025)
  1 contaminants measured
• Watseco-barview Water District (2024)
  1 contaminants measured
• Buell-red Prairie Wd (2025)
  1 contaminants measured
• Steeves Mobile City (2025)
  1 contaminants measured
• Usace Bonneville Dam (2024)
  1 contaminants measured
• Water Wonderland Improv Dist 2 (2025)
  1 contaminants measured
• Country Garden Estates Mhp (2024)
  1 contaminants measured
• 62nd Court Mutual Water Co (2022)
  1 contaminants measured
• Holiday Mobile Home Park (2024)
  1 contaminants measured
• Highland Ranch Estates (2007)
  1 contaminants measured
• Highland Subdivision Wd (2025)
  1 contaminants measured
• Chateau Mobile Home Park (2024)
  1 contaminants measured
• Saunders Creek Hoc (2024)
  1 contaminants measured
• Avion Wc - Red Cloud (2025)
  1 contaminants measured
• Forest Park Mobile Village (2024)
  1 contaminants measured
• Idleway Improvement District (2024)
  1 contaminants measured
• Shady Rest Mobile Court (2024)
  1 contaminants measured
• Dufur, South Basin (2024)
  1 contaminants measured
• Latourell Falls Township (2025)
  1 contaminants measured
• Belle Passi Estates (2024)
  1 contaminants measured
• Walnut Mobile Home Park (2024)
  1 contaminants measured
• Usfs Detroit Ranger Station (2024)
  1 contaminants measured
• Avion Wc - South Redmond Heights (2024)
  1 contaminants measured
• Sodaville, City of (2024)
  1 contaminants measured
• River Meadows Improvement Dist (2025)
  1 contaminants measured
• Deer Island Waterworks (2024)
  1 contaminants measured
• Zig Zag Water Co-op (2025)
  1 contaminants measured
• Cove, City of (2023)
  1 contaminants measured
• Young Life (2025)
  1 contaminants measured
• Youth With a Mission (2025)
  1 contaminants measured
• Estacada Mobile Village (2025)
  1 contaminants measured
• Clovercrest Community Water System (2025)
  1 contaminants measured
• Parkdale Water System (2023)
  1 contaminants measured
• Mayfair Moorage Inc (2023)
  1 contaminants measured
• Avion Wc - Desert Springs (2025)
  1 contaminants measured
• Sandy Boulevard Mobile Villa (2024)
  1 contaminants measured
• Spar Tree Mhp (2025)
  1 contaminants measured
• Manna House Church (2023)
  1 contaminants measured
• Valley Court Apartments (2025)
  1 contaminants measured
• Drifters Mobile Home Park (2025)
  1 contaminants measured
• Oregon Shores Recreation Club (2023)
  1 contaminants measured
• East Yamhill Rural Wd (2025)
  1 contaminants measured
• Cove Orchard Water Association (2025)
  1 contaminants measured
• Leisure Days Mobile Home Park (2025)
  1 contaminants measured
• Pioneer Village Water Company (2024)
  1 contaminants measured
• Lost Creek Heights Wtr Assoc (2023)
  1 contaminants measured
• Avion Wc - Whychus Creek (2023)
  1 contaminants measured
• Hat Rock Water Company (2024)
  1 contaminants measured
• Tamarack Mobile Home Park (2025)
  1 contaminants measured
• Laurel Ridge Mhp (2025)
  1 contaminants measured
• Prineville Mobile Home Park (2024)
  1 contaminants measured
• Pleasant View Water Co (2024)
  1 contaminants measured
• South Yamhill Water District (2024)
  1 contaminants measured
• West Yamhill Water Company (2023)
  1 contaminants measured
• Century Farm Court (2023)
  1 contaminants measured
• Oregon Shores Beach Club Inc (2025)
  1 contaminants measured
• Port of Morrow (2024)
  1 contaminants measured
• Port of Tillamook Bay (2024)
  1 contaminants measured
• Desire for Healing, Inc (2022)
  1 contaminants measured
• Rimrock West Imprvmnt Dist (2025)
  1 contaminants measured
• Valley View Water Co-op (2023)
  1 contaminants measured
• Sundowner Mobile Home Park (2024)
  1 contaminants measured
• Avion Wc - Highland Estates (2023)
  1 contaminants measured
• Rainbow Ends Water System (2023)
  1 contaminants measured
• Avion Wc - Tumalo Rim (2025)
  1 contaminants measured
• Alpine Crest Improvement Dist (2025)
  1 contaminants measured
• Happy Hollow Water Company (2023)
  1 contaminants measured
• Willow Estates Mobile Home Pk (2025)
  1 contaminants measured
• Eagle Crest Resort (2025)
  1 contaminants measured
• Western Heights Water Company (2023)
  1 contaminants measured
• Rainbow Rock Service Association (2025)
  1 contaminants measured
• Avion Wc - Drid (2024)
  1 contaminants measured
• Deer Trail Water System (2022)
  1 contaminants measured
• Union Gap Water District (2023)
  1 contaminants measured
• Bentwood Estates Water System (2025)
  1 contaminants measured
• Sacajawea Mobile Home Park (2024)
  1 contaminants measured
• Darneille Estates (2023)
  1 contaminants measured
• Avion Wc - Odin Falls Ranch (2025)
  1 contaminants measured
• Storlie Water Company (2023)
  1 contaminants measured
• Willamette Water Company (2024)
  1 contaminants measured
• Hiland Wc - Penticton/college Park (2025)
  1 contaminants measured
• Duplex Village Water System (2025)
  1 contaminants measured
• Ralph Taylor Trailer Court (2025)
  1 contaminants measured
• Lazy Acres Mobile Home Park (2025)
  1 contaminants measured
• Rink Creek Water District (2025)
  1 contaminants measured
• Country View Estates Ws (2024)
  1 contaminants measured
• Rogue Lea Estates-north/south (2025)
  1 contaminants measured
• Dikeside Moorage (2023)
  1 contaminants measured
• Chart Subdivision (2024)
  1 contaminants measured
• Oakdale Trailer Park (2024)
  1 contaminants measured
• Imbler, City of (2023)
  1 contaminants measured
• Eagle Creek Mobile Estates (2024)
  1 contaminants measured
• Wallowa Lake Co Service Dist (2024)
  1 contaminants measured
• Paradise Moorage (2025)
  1 contaminants measured
• Galice Subdivision Water Co (2022)
  1 contaminants measured
• Valley Vista Water Improv Dist (2024)
  1 contaminants measured
• Lower Siletz Water System (2025)
  1 contaminants measured
• Lake Creek Ranch Mhc (2024)
  1 contaminants measured
• Rim at Aspen Lakes (2023)
  1 contaminants measured