Washington — all systems
Washington water systems A–Z
Page 1 of 7 · 141st Ave Kpn 661 → Columbia Generating Station. Every public water system we track in Washington, alphabetically. Each links to the system's measured contaminant levels against federal limits.
- 141st Ave Kpn 661 (2024)
- 85 Acres (2023)
- Aberdeen City of (2024)
- Abernathy Ftc (2018)
- Acme Water District No 18 (2024)
- Adams County Water Dist #1 (2024)
- Adams Rd Community Assn (2025)
- Admiral Water Users Assn (2024)
- Admirals Cove Water District (2023)
- Afc Ranch 1 (2023)
- Afc Ranch 2 (2023)
- Agate Bay Mhp (2025)
- Agate Beach (2025)
- Agate West (2022)
- Agotaras Water System (2003)
- Agrex Water System (2024)
- Agrinorthwest Riverbend (2022)
- Ahearn Water System (2023)
- Airway Heights City of (2025)
- Albion Water Dept (2023)
- Alcoa (2020)
- Alder Lake (2024)
- Alderbrook Water Co (2023)
- Alderdale Water Assn (2025)
- Aldergrove Water Assoc. (2023)
- Alderwood East (2025)
- Alderwood Estates (2024)
- Alderwood Water District (1992)
- Aleck Bay Park Water System (2025)
- Algona Water Dept (2025)
- Allan Bros Warehouse (2025)
- Allyn Carey (2024)
- Allyn Shopping Center (2023)
- Almira Water System (2023)
- Aloha Pines Estates Water System (2024)
- Alpha Modular Structures (2024)
- Alpine Acres Community Association (2024)
- Alpine Hills (2023)
- Alpine Mobile Estates (2024)
- Alpine Mobile Manor (2025)
- Alpine Water Association (2022)
- Alpine Water District (2022)
- Alps Mobile Home Park (2025)
- Alta Forest Products (2025)
- Alta Lake Golf Course Plat (2025)
- Amboy Clark Public Utilities (2024)
- Ames Lake Water Assoc Inc (2023)
- Amg Aluminum North America (2023)
- Anacortes - Fidalgo (2025)
- Anacortes City of (2022)
- Andersen Dairy Inc (2023)
- Anderson Creek Water Association (2025)
- Anderson Hay & Grain Co (2025)
- Andrews First (2023)
- Andrus Water System (2023)
- Apple Acres Village (2025)
- Apple King Llc (2022)
- Appleway Trailer Court (2006)
- Aqua Copia/horse Country Estates (2023)
- Aqua Hills Marysville (2025)
- Arcadia Estates (2025)
- Arden Hills Water System (2025)
- Arlenes Addition (2024)
- Arlington City of (2024)
- Arlington East Mutual Water Assn. (2024)
- Arlington Heights Water Co Inc (2023)
- Arlington Terrace (2023)
- Arlington View Estates Water Assoc (2020)
- Aromatics (2025)
- Arrowhead Beach Coop Water Assoc (2024)
- Arrowhead Ranch (2024)
- Artesian Water District 8 (2024)
- Artondale (2023)
- Ashford Water District (2023)
- Ashley Lane (2025)
- Asotin Water Dept (2023)
- Aspen Reflections Landing Water (2024)
- Aspinwall Estates (2023)
- Aston Estates (2025)
- Auburn City of (2024)
- Auburn Park Community Llc (2023)
- Aust 210 (2025)
- Avellana Water (2025)
- Ayock Beach Improvement (2025)
- Azwell Orchards (2023)
- Baby Island Heights Water Assoc (2025)
- Bacus Road #1 (2022)
- Badger Canyon Ranchettes #2 (2023)
- Badger Canyon Water Assn (2024)
- Badger Lake Estates Llc (2020)
- Badger Mountain Irrigation District (2023)
- Bainbridge Island Child Care Cntrs (2024)
- Bainbridge Island City of (2025)
- Bainbridge Island Pub Wrks (2025)
- Baker Produce Zillah (2023)
- Baker View Water Assoc (2024)
- Bakerview Terrace Comm Club (2023)
- Bar 80 Ranchettes (2023)
- Bar B Estate Manor (2024)
- Bardin Hills Farmworker Housing (2024)
- Barleans (2024)
- Basic American Foods (2023)
- Basin City Water Sewer District (2024)
- Basin View Water Association (2023)
- Basin Water Sources Inc (2024)
- Battle Ground High and Lewisville E (1998)
- Battle Ground Water Dept City of (2023)
- Bauers Landing Lodge (2025)
- Bay Center (2025)
- Bay City Properties (2024)
- Bay East (2023)
- Bay Light (2001)
- Bayshore (2023)
- Bayshore Water System (2022)
- Bayview Beach Water District (2025)
- Bayview Estates Water Company (2024)
- Bayview Meadows Water System (2025)
- Bayview School (2019)
- Baywood Village Mobile Home Park (2025)
- Bc Water Co (2024)
- Bct Inc (2025)
- Beachcomber H2o Co (2023)
- Beachwood Water Company (2022)
- Beacon Hill East (2023)
- Beacon Hill Water & Sewer District (2023)
- Beacon Point Community Club (2024)
- Bear Cub (2024)
- Bear Mountain Water District (2023)
- Beards Cove (2023)
- Beau View Water (2023)
- Beaux Arts Water Department (2023)
- Beaver Valley School (2025)
- Bel Aire Cove (2023)
- Belfair Water District 1 (2023)
- Belfern Water Association (2023)
- Belfern West (2023)
- Bell Bay Jackson Water Association (2023)
- Bell Woods (2025)
- Bellevue (2024)
- Bellingham-water Division City of (2023)
- Bellwood a (2024)
- Belwood Park (2024)
- Benton City Water (2023)
- Berthusen Road Water Association (2023)
- Bertsch Subdivision Water Assn (2024)
- Bethel Community (2003)
- Bethel East (2024)
- Bethel Green Acres Water Assn (2024)
- Bethel Ranchettes Mutual Water Co (2025)
- Bethel Water Co (2025)
- Bets Water System (2025)
- Beulah Park Community (2023)
- Beverly Beach Homeowners (2023)
- Beverly Beach Improvement Club (2023)
- Beverly Water District (2024)
- Bickleton Community (2025)
- Big Bend Landowners Association (2024)
- Billington (2024)
- Bingen Water Dept (2023)
- Birch Bay Square Water Operation (2019)
- Birch Bay Water & Sewer District (2025)
- Bird Dog Family Ltd Partnership Ii (2023)
- Bird Electric (2024)
- Biscay Duplexes 675 (2025)
- Black Diamond Water Dept (2025)
- Black Diamond Water District (2023)
- Black Lake Acres (2024)
- Black Lake Bible Camp & Conf Ctr (2023)
- Black Lake Estates (2025)
- Blaine City of (2025)
- Blalock Orchard Dist 10 (2024)
- Blalock Orchards Dist 12 (2024)
- Blanchard Edison Water Assn. Inc. (2024)
- Bloedel Reserve (2025)
- Blue Sky Country Farms (2023)
- Boise Cascade - Arden Lumber (2023)
- Boistfort Valley (2023)
- Bolduc Community (2024)
- Bon Air Community Club Inc. (2023)
- Bonneville Dam Power House 2 (2024)
- Bonney Lake Water Department City (2023)
- Bonnie View Water (2022)
- Boots & Saddles 662 (2024)
- Borton & Sons Inc (2023)
- Boston Harbor (2023)
- Bradley Denny (2025)
- Brandt Point (2023)
- Braunwood Estates (2024)
- Brays Landing Water Users (2025)
- Bremerton City of (2023)
- Brewster City of (2023)
- Brewster Flat Domestic Water Assn (2025)
- Brianwood (2025)
- Briarwood Water System (2022)
- Bridge Road (2024)
- Bridge Water Resources (2023)
- Bridgehaven Community Club (2025)
- Bridgeport City of (2024)
- Bridgeview Homesites Water Assn (2025)
- Bridle Moor Water Association (2024)
- Bridle Trails South Water System (2011)
- Briggs Nursery (2023)
- Brinnon School District 46 (2023)
- Brixey H2a (2024)
- Brocious Water System (2023)
- Bronson Beach Club (2023)
- Brookdale Owners Association (2003)
- Brookhaven (2023)
- Brookside (2023)
- Brown Taylor Water Co Inc (2023)
- Bruce Water System (2024)
- Brutus Water System (2025)
- Buck Creek (2024)
- Buckhorn Mountain Water System (2014)
- Buckley Water (2025)
- Bucklin (2023)
- Bucoda Water Dept (2022)
- Buena Vista Community Club (2024)
- Buena Vista Estates (2023)
- Bullitt Center (2023)
- Burbank Business Park (2024)
- Burbank Heights (2024)
- Burbank Irrigation District 4 (2023)
- Burley Bible Church (2023)
- Burley Water Assn (2025)
- Burman Acres Water (2024)
- Burnett Water District (2024)
- Burns Point (2025)
- Burnsville 676 (2025)
- Burton Water Cooperative (2024)
- Bush Point Terrace Comm Club Inc. (2024)
- Bush Point Trac Park (2025)
- Butler Cove Water Company (2024)
- Butterfield Water Company (2024)
- Bybee Clyde W. (2024)
- Bywater Bay (2025)
- Cal Waterworks (2023)
- Calman James L. (2023)
- Calmor Cove Club (2024)
- Camaloch Association (2023)
- Camaloch Evergreen Acres (2024)
- Camano City Community Club Inc (2022)
- Camano Co-op Water & Power Co (2025)
- Camano Colony Water System Inc (2023)
- Camano Hills Water Company Inc (2023)
- Camano Island Summit Assoc. (2023)
- Camano Laguna Vista Water Assoc (2023)
- Camano Lutheran Church (2025)
- Camano Shores Community (2025)
- Camano Sunrise Water Assn #1 (2023)
- Camano Sunrise Water Assn #2 (2025)
- Camano Sunset Water System (2023)
- Camano Vista Water District (2025)
- Camano Water Association (2023)
- Camano West Water Association (2024)
- Camas Municipal Water Sewer System (2024)
- Camelot and Western Skies (2025)
- Camelot Subdivision (2025)
- Camp David (2025)
- Campbells Glen (2022)
- Campo Hacienda (2023)
- Campo Verde Street & Water Assn (2025)
- Canal Mutual Water (2024)
- Candlewood Mobile Manor (2025)
- Canterbrook Village Apartments (2024)
- Canterwood Water System (2023)
- Canyon Farm Camp (2022)
- Canyon Village Water System Inc (2023)
- Canyonwood Beach Water Supply (2025)
- Cape George Colony Club Inc (2025)
- Cape Horn Maintenance Company (2025)
- Cape Horn Skye Grade School (2025)
- Cape San Juan Water District (2025)
- Carbonado Water Dept (2025)
- Care Free Acres (2025)
- Carlsborg Lud 10 12 13 14 (2023)
- Carlsborg Mobile Estates (2023)
- Carlyon Beach Homeowners (2024)
- Carnation Farms (2024)
- Carnation Water System City of (2025)
- Carnhope Irrigation District 7 (2023)
- Carousel Day Care (2023)
- Carriage Club Estates (2023)
- Carrolls Water Assn (2023)
- Carson (2023)
- Cascade Crest (2023)
- Cascade Foothills (2025)
- Cascade Highlands (2024)
- Cascade Highlands North (2023)
- Cascade Mhp (2025)
- Cascade River Community Club (2016)
- Cascade Valley Water District (2024)
- Cascade View Estates #1 (2024)
- Cascade View Estates #3 (2024)
- Cascade View Estates #4 (2024)
- Cascade View Road Water System (2024)
- Cascade Village Mhp (2023)
- Cascade Vista Hoa (2024)
- Cascades Camp & Conference Center (2023)
- Cascadia Park Water Company (2025)
- Cashmere Water Department (2023)
- Castle Rock Municipal Water (2024)
- Cathlamet Water Dept (2025)
- Cattle Point Water District (2024)
- Cayou Valley Homeowners Assoc (2025)
- Ccao/yfo Complex (2024)
- Cedar Creek Corrections Center (2023)
- Cedar Crest (2024)
- Cedar Crest Mobile Home Park (2023)
- Cedar Falls Supply (2024)
- Cedar Glen Mobile Home Park (2025)
- Cedar Grove (2023)
- Cedar Grove Composting Water System (2025)
- Cedar Grove Mobile Park (2023)
- Cedar Lynn Water Assoc (2023)
- Cedar Mountain Homeowners Assoc (2025)
- Cedar Park (2025)
- Cedar Ridge 617 (2024)
- Cedar River Water & Sewer District (2025)
- Cedar Shores 677 (2024)
- Cedar Springs Camp (2024)
- Cedar View Tracts Comm Club (2023)
- Cedar Villa (2024)
- Cedarbrook (2023)
- Cedarhearth Water (2023)
- Cedars Mobile Manor (2023)
- Cedarwood 763 (2023)
- Cedarwood South Union Estates (2025)
- Centerville Grade School (2023)
- Central Mobile Home Park (2023)
- Central Pre Mix - Sullivan Rd (2025)
- Centralia Public Works - Water (2023)
- Century Water Association (2023)
- Ch2o (2025)
- Chamonix Village (2024)
- Charlene Heights Well Co (2023)
- Chattaroy Springs Water Assn (2022)
- Chattaroy Valley Mobile Estates (2025)
- Chealco Water Supply (2022)
- Chehalis Water Department (2023)
- Chelan Co Pud - Chelan Ridge (2025)
- Chelan Co Pud - Dryden (2021)
- Chelan Co Pud - Olalla Canyon (2024)
- Chelan Co Pud 1 (2025)
- Chelan Co Pud1 - Peshastin (2023)
- Chelan Falls Water District (2024)
- Chelan Park Ranches Water Assn (2024)
- Chelan Water Dept City of (2025)
- Cheney City of (2024)
- Cheney Public Schools (2024)
- Cherokee Bay Community Club Inc (2024)
- Cherokee Strip Hoa & Water (2024)
- Cherry Creek (2025)
- Cherry Park (2024)
- Cherrywood Mobile Home Manor (2023)
- Chewelah Water Dept North (2024)
- Chewelah Water Dept South (2024)
- Chico Heights Community (2022)
- Chinook Estates (2025)
- Chinook Water District (2023)
- Chippewa Water District (2023)
- Chiwawa Communities Assn (2023)
- Christ Lutheran Church (2023)
- Chuckanut Trails Water System (2025)
- Citizens Water Association (2020)
- Cjc Keys Washington Llc (2023)
- Clallam Bay Sekiu (2023)
- Clark Addition Water System (2024)
- Clark Public Utilities (2025)
- Clarks Creek Llc (2025)
- Classic Heights (2025)
- Cle Elum Water Department (2025)
- Clear Creek Estates (2023)
- Clear Lake Water District (2023)
- Clear Lake Water Users Assn (2023)
- Clearwater Domestic Water Assn (2023)
- Clearwood (2025)
- Clerget 253 (2025)
- Clifton Beach Tracts Co Op (2023)
- Clifton Pebble Beach (2024)
- Cliftonwood (2024)
- Clinton Water District (2024)
- Cloister (1997)
- Clouse Water System (2024)
- Coach Country Corral (2023)
- Coach Post Mobile Park (2025)
- Cole (2023)
- Cole Point Association (2025)
- Coleman Butte Water Assn (2025)
- Colfax Water Department City of (2024)
- College Place Water Dept (2023)
- Collins Lake Community Club (2023)
- Colony Mountain (2023)
- Colony Surf Water Supply (2023)
- Colton Water Department (2023)
- Columbia Bean (2024)
- Columbia Cedar (2023)
- Columbia Crest Elementary School (2021)
- Columbia Crest Estates (2024)
- Columbia Generating Station (2024)