California — all systems

California water systems A–Z

Page 10 of 11 · Sonora Meadows Mutual Wtr Co → Usn San Clemente Island. Every public water system we track in California, alphabetically. Each links to the system's measured contaminant levels against federal limits.

• Sonora Meadows Mutual Wtr Co (2024)
• Sonora Water Resources, Inc (2024)
• Soquel Creek Water District (2025)
• Soults Pump & Equipment Company (2022)
• South Cloverdale Water Company (2025)
• South Coast Water District — Laguna Beach, Ca (2023)
• South County Retirement Home (2023)
• South Desert Mutual Water Company (2025)
• South Feather W&p - Bangor (2023)
• South Feather W&p - Miners Ranch — Oroville, Ca (2023)
• South Fork Elementary School Water Sys (2025)
• South Fork Estates Mutual Water Co (2025)
• South Fork Middle School (2023)
• South Gate-city, Water Dept. (2024)
• South Kaweah Mutual Water Company (2023)
• South Kern Industrial Center (2023)
• South Kern Mutual Water Company (2024)
• South Los Angeles (2023)
• South Mesa Wc (2025)
• South Midway City Mutual Water Co. (2025)
• South Montebello Irrigation Dist. (2025)
• South Mountain Mutual Water Co (2025)
• South Shore Recreation Area (2025)
• South Tahoe Pud - Main — South Lake Tahoe, Ca (2023)
• South Valley Farms-beech Huller/office (2025)
• Southside Elementary School (2024)
• Southwest Tract W M D [sws] (2019)
• Southwest Transportation Agency (2024)
• Spanish Flat Water District (2025)
• Spanish Lakes Mutual Water Co (2024)
• Spaulding Eagle Lake Mwc (2024)
• Spca Ws (2025)
• Specialty Minerals Inc (2024)
• Speedling, Inc (2025)
• Speedway Sonoma Llc (2023)
• Spence Rd Cultivation Ws (2024)
• Spence Rd Ws #05 (2025)
• Spencer Valley School District (2024)
• Spindrift Marina (2025)
• Sportsmans Paradise (2025)
• Spreckels Ln Ws #02 (2024)
• Spreckels Ln Ws #03 (2023)
• Spreckels Sugar Company (2020)
• Spring Canyon Wa (2023)
• Spring Creek Estates Pws (2024)
• Spring Mountain Mutual Water Company (2021)
• Spring Valley Heights Association Inc (2024)
• Spring Valley School (2025)
• Spring Valley School (2023)
• Springville Pud (2025)
• Springwood Estates Mwc (2024)
• Spv Water Company — Valencia, Ca (2023)
• Sswd - Del Paso Manor Service Area (2025)
• St Francis Tract Water System (2025)
• St Josephs Hospital (2023)
• St Marys High School (2024)
• St Nicholas Ranch & Retreat (2025)
• St. Clair Ranchos Mutual Water Co. (2025)
• St. Helena Purlieu Llc (2025)
• St. Helena, City of — St. Helena, Ca (2023)
• St. Supery Winery (2025)
• Stafford Meat Company (2025)
• Stags Leap Winery (2025)
• Stags Leap Wine Cellars (2025)
• Stallion Springs Csd (2024)
• Stanford University (2024)
• Stanislaus Union School Dist (2025)
• Starlite Community Service District (2023)
• Starlite Pines Mutual Water Co Inc (2023)
• State Ready Mix, Inc. (2025)
• Station House Inn (2023)
• Sterling Industrial (2024)
• Sterling Mutual Water Company (2025)
• Sterling Vineyards (2024)
• Stinson Beach County Wtr Dist (2023)
• Stockdale Annex Mutual Water (2023)
• Stockdale Mutual Water Co. (2024)
• Stockdale Ranchos Mutual Water Co (2024)
• Stocking Ranch Deepwell (2024)
• Stockton Baptist Church (2023)
• Stockton Verde Mobile Home Park (2024)
• Stoco Mutual Water Company (2025)
• Stone Creek Water Company (2020)
• Stonegate Mobile Home Park (2024)
• Stonepine Resort Ws (2025)
• Stonestreet Winery (2025)
• Stonewood Canyon Estates (2023)
• Storer Transportation (2024)
• Strasbaugh, Inc (2023)
• Stratford Pud (2024)
• Strathmore Public Util Dist (2024)
• Stratos Way Water Company, Inc (2023)
• Strawberry Lodge Mwc (2025)
• Strawberry Rd Ws #06 (2025)
• Streeter Industrial Plaza (2023)
• Strickland Mutual Water Company (2023)
• Stripe N Seal (2024)
• Struve Rd Ws #02 (2023)
• Studio City (2023)
• Suburban Water Systems - Sativa (2024)
• Suburban Water Systems-covina Knolls (2025)
• Suburban Water Systems-glendora (2025)
• Suburban Water Systems-la Mirada (2025)
• Suburban Water Systems-san Jose (2025)
• Suburban Water Systems-whittier (2025)
• Sugar Pine Homeowners Assoc (2025)
• Sugar Pine Rv Resort (2025)
• Suisun-solano Water Authority — Vacaville, Ca (2023)
• Sullivan Mutual Water (2024)
• Sultana Community Services District (2024)
• Summerfield Waldorf School (2024)
• Summerhill Mhp Ws (2024)
• Summit Industrial Park Water System (2024)
• Summit Mutual Water Company (2025)
• Summit View Ranch Mutual Water Co. (2024)
• Summit West Mutual Water Co. (2025)
• Sun Empire School (2025)
• Sun Maid Growers of California (2023)
• Sun Mountain M.w.c. (2024)
• Sun Oaks Racquet Club (2024)
• Sun Pacific - Tulare (2025)
• Sun Pacific Shippers - Delano (2023)
• Sun Pacific Shippers Lp - Exeter (2025)
• Sun Pacific Shippers-lerdo (2023)
• Sun Pacific Shippers-maricopa Water Sys. (2024)
• Sun Valley (2023)
• Sun Valley Rice Company (2024)
• Sunbeam Lake Rv Resort (2025)
• Sundale Mutual Water Company A, B (2025)
• Sundale Union School (2025)
• Sunland Village Mobile Home Park (2024)
• Sunland-Tujunga (2023)
• Sunny Acres Mws (2024)
• Sunny Acres Preschool (2025)
• Sunny Road Water System (2025)
• Sunny Slope Water Co. (2022)
• Sunnygem Juice Plant (2025)
• Sunnyside Convalescent Hosp (2025)
• Sunnyside Estates Water System (2024)
• Sunnyside Farms Mutual Water Company (2024)
• Sunnyslope County Water Dist (2023)
• Sunrise Estates Mutual Water Company (2024)
• Sunrise Mobilehome Park (2024)
• Sunrise Mountain Mutual Water Company (2025)
• Sunrise Mutual Water Co. (2025)
• Sunrise Shore Mutual Water Company (2025)
• Sunrise Village Mhp (2024)
• Sunset Beach Mutual Water Co (2025)
• Sunset District (2024)
• Sunset Moulding Chico (2023)
• Sunset Park Community (2023)
• Sunset Vista Estates Mhp (2022)
• Sunset West Community Llc (2024)
• Sunset West Mutual Water Company (2025)
• Sunview Cold Storage Water System (2023)
• Superior Mutual Water Company (2023)
• Superior Packing Co (2023)
• Sure Fresh Produce (2023)
• Surfwood Mutual Water Corporation (2024)
• Surrey Village Water Co. Inc. (2025)
• Susan Hills Estates Wc (2025)
• Susan River Park Water Co. (2024)
• Sutter Community S.d. — Sutter, Ca (2023)
• Sutter Home Winery (2024)
• Sutter Home Winery Inc. (2024)
• Sutter Pines Mhp (2024)
• Sutter Santa Rosa Regional Hospital (2023)
• Sweet Water Co-op (2024)
• Sweetwater Authority — Chula Vista, Ca (2023)
• Sweetwater Springs Cwd - Guerneville (2025)
• Sweetwater Springs Cwd - Monte Rio (2025)
• Sws Land Development Inc (2025)
• Syar Industries (2025)
• Sycamore Mineral Springs Resort (2024)
• Sylmar (2023)
• Syngenta Seeds Llc (2025)
• Sysco Food Services of Sacramento, Inc. (2024)
• T & a Onions (2023)
• Tahama Village Mobile Home Park (2024)
• Tahoe City Pud - Alpine Peaks (2023)
• Tahoe City Pud - Madden Creek (2024)
• Tahoe City Pud - Main (2025)
• Tahoe City Pud - Mckinney/quail (2021)
• Tahoe City Pud - Rubicon (2024)
• Tahoe City Pud - Tahoe Cedars (2024)
• Tahoe City Pud - Tahoe Swiss Village (2024)
• Tahoe City Pud - Timberland (2023)
• Tahoe Keys Water Company (2025)
• Tahoe Park Water Co - Skyland/nielsen (2025)
• Tahoe Park Water Company (2024)
• Tahoe Timber Trails (2024)
• Talley Farms Labor Housing (2023)
• Talley Transportation Inc (2024)
• Talmont Resort Improvement District (2024)
• Tamarron Mobile Home Park (2025)
• Tank Farm Business Park (2022)
• Tarditi Rentals Water (2024)
• Tarzana (2023)
• Tasco Spreckels Water Company (2023)
• Tassajara Springs Ws (2025)
• Tavis Corporation (2025)
• Taylor Farms Retail, Inc. (2025)
• Tds California (2024)
• Tecate Vista Mutual Water Company (2024)
• Teen Challenge (2025)
• Tehachapi Cement Llc (2023)
• Tehachapi Church of the Nazarene (2023)
• Tehachapi, City of (2025)
• Teichert Construction (2025)
• Teixeira Farms - Frontier Cooling (2024)
• Tejon Castac Wd - I5 & Laval Rd (2024)
• Tejon Ranch Grapevine Water (2023)
• Tejon Ranch Main Headquarters (2023)
• Temescal Valley Water District (2024)
• Templeton Csd — Templeton, Ca (2023)
• Tennant C.s.d. (2020)
• Terra Bella Irrigation District - Tbt — Terra Bella, Ca (2023)
• Terra De Oro Water Company (2024)
• Terra Linda Farms (2025)
• Terra Nova Mobile Home Park (2023)
• Terrace View Water System (2023)
• Terrace Water Company — Colton, Ca (2023)
• Terry School (2024)
• Tesoro Viejo Master Mwc, Inc. (2024)
• Tessenderlo Kerley Inc (2023)
• Teviston Community Services District (2025)
• Texas Canyon Ranger Station (2024)
• The Anne Sippi Clinic-riverside Ranch (2024)
• The Boeing Company - Hdait (2025)
• The Fruit Yard Restaurant (2024)
• The Garlic Company (2025)
• The Lakes Association (2023)
• The Lodge at Sonoma (2025)
• The Maples (2024)
• The Morning Star Company (2025)
• The Morning Star Packing Company (2022)
• The Painted Turtle Camp (2024)
• The Ranch at Live Oak (2025)
• The Ranch Winery (2025)
• The Rental Place (2024)
• The River Community (2025)
• The Village (2023)
• The Village Mobile Home Park (2025)
• The Willows Resort (2025)
• Thermal Park (2024)
• Thermalito Water & Sewer Dist (2025)
• Thimio Mwc (2023)
• Thomas Aquinas College (2024)
• Thomas Mountain Water Company (2023)
• Thousand Pines Christian (2024)
• Thousand Trails - Morgan Hill (2024)
• Thousand Trails San Benito Preserve (2024)
• Three Crowns Association (2023)
• Three Palms Mobilehome Park (2025)
• Three Rivers Elementary School (2025)
• Three Rivers Village (2025)
• Three Springs Ranch Mutual Water Company (2024)
• Three Valleys MWD — Claremont, Ca (2023)
• Thunderbird Cwd (2024)
• Tico Mutual Water Co (2025)
• Tid/ La Grange Water System (2023)
• Tierra Bonita Mutual Water (2023)
• Tierra Buena Mhp #1 (2025)
• Tierra Meadows Hoa Ws (2024)
• Tierra Verde Mwc (2025)
• Tierra Vista Mwc (2025)
• Tierrasanta (2023)
• Tiger Water Supply (2023)
• Timber Cove County Water District (2025)
• Timber Cove Inn (2023)
• Tipton Community Services Dist (2024)
• Tlc Child & Family Services (2023)
• Tmc Suburban, Llc (2024)
• Tokay Park Water Co (2025)
• Tom Pistachio Water System (2023)
• Tomales Elem & Middle School (2023)
• Tomales High School (2023)
• Tooleville Mutual Non Profit Water Assn (2025)
• Top Industries Ws (2025)
• Torrance-city, Water Dept. (2025)
• Town & Country Water Company (2023)
• Town of Discovery Bay (2024)
• Town of Hillsborough (2025)
• Town of Sunol - SFPUC (2024)
• Town of Yountville (2024)
• Toyon Middle School (2024)
• Toyon Park Water System Llc (2025)
• Toyota San Luis Obispo (2025)
• Tpwc Dba the Prisoner Wine Company (2025)
• Trabuco Canyon Water District (2024)
• Tract 1199 Water System (2024)
• Tract 180 Mutual Water Co. (2025)
• Tract 349 Mutual Water Co. — Cudahy, Ca (2023)
• Tract 92 Community Services District (2025)
• Tracy (2024)
• Tracy Matrl Recvry/sld Waste Ws (2025)
• Tradewind Water Assoc. (2023)
• Traditional Medicinals, Inc. (2023)
• Trailer Haven Mobile Home Park (2024)
• Trails End Mutual Water Company (2025)
• Tranquillity Irrigation District (2025)
• Travis Afb Wtp - Vallejo (2005)
• Treasure Creek Woods Mwc (2024)
• Treasure Island (2021)
• Treehouse California Almonds Llc (2025)
• Tres Pinos Cwd (2023)
• Tri-cal Incorporated (2025)
• Trinidad Extended Stay Rv (2025)
• Trinidad, City of (2025)
• Trinity Center M.w.c. (2023)
• Trinity Co. W.w. Dist #1 (2024)
• Trinity Knolls Mutual Water Company (2022)
• Trinity Village Mutual Water (2023)
• Triple R Mutual Water Co (2025)
• Triunfo Water & Sanitation District (2025)
• Trout Gulch Mutual Water Company (2024)
• Truckee-donner Pud - Hirschdale (2025)
• Truckee-donner Pud, Main (2025)
• True Leaf Farms, Llc. (2025)
• True Organic Products (2023)
• Truroots (2025)
• Tucker Acres Mutual Water Co. (2025)
• Tucker Oaks East Water District (2023)
• Tud - Columbia Water System (2023)
• Tud - Ponderosa (2024)
• Tud - Sonora/jamestown Water System (2025)
• Tud - Tuolumne Water System (2024)
• Tud - Upper Basin Water System (2023)
• Tud-apple Valley Estates (2023)
• Tud-peaceful Pines Water System (2023)
• Tud-wards Ferry Ranches (2024)
• Tularcitos Mwc (2025)
• Tulare Co Correctional Center Road Camp (2024)
• Tulare County Civic Center (2023)
• Tulare County Hauling (2024)
• Tulare County Road Yard 2/3 (2024)
• Tulare Farms Lllp Water System (2023)
• Tulare, City of — Tulare, Ca (2023)
• Tulelake, City of (2025)
• Tully Mobile Estates (2023)
• Tunnel Trailer Park (2025)
• Turkey Creek Golf Club (2024)
• Turlock Golf & Country Club (2025)
• Turlock, City of (2025)
• Turner Road Vintners (east) (2025)
• Tut Brothers Farm #96 (2025)
• Twain Harte Community Services District (2024)
• Twain Harte Valley Mwc (2023)
• Twentynine Palms Water District — Twentynine Palms, Ca (2023)
• Twin Creeks Mobile and Rv Village (2023)
• Twin Cypress Mobile Home Park (2024)
• Twin Hills School Dist-apple Blossom Sch (2024)
• Twin Hills School Dist-twin Hills School (2024)
• Twin Lakes Resort (2024)
• Twin Oaks Mobile Park (2024)
• Twin Peaks (2024)
• Twin Ridges Grizzly Hill School (2023)
• Twin Ridges Oak Tree School (2023)
• Twin Valley Inc (2025)
• Two Twenty Four Mobile Home Pk (2025)
• U.c. Kearney Field Station (2024)
• U.s. Coast Guard Training Center (2024)
• U.s. Gypsum Co (2020)
• U.s.n., San Nicolas Island (2024)
• Uc - Davis — Davis, Ca (2023)
• Uc Davis-school of Vet. Med. Center (2024)
• Uc Desert Research and Extension Center (2023)
• Ukiah, City of (2024)
• Under Canvas-yosemite (2025)
• Union Heights Mwc (2024)
• Union Pacific Railroad Co.-keene Water (2025)
• Union Public Utility District (2023)
• Unitarian Church of Davis (2025)
• United Parcel Service (2017)
• United Parcel Svc - Anderson (2024)
• University City (2023)
• Upland, City of — Upland, Ca (2023)
• Uplands of the Kern Mutual Water Company (2023)
• Upper Lake County Water District (2025)
• Upper Little Bear Mountain Club (2025)
• Upper Valley Disposal Service (2025)
• Us Army Fort Irwin (2024)
• Us Horticulture Llc (2022)
• Us Pipe Fabrication (2023)
• Usa Waste of California (2024)
• Usasa-pom Enclave - Camp Roberts (2023)
• Usbr-sldmwa - Cvp Jones Pumping Plant (2024)
• Usda Agricultural Research Service (2025)
• Usfs - Chuchupate Ranger Station (2024)
• Usfs Groveland Ranger Stn. (2025)
• Usfs Yolla Bolla Corp Yard (2024)
• Usfs-valyermo Ranger Station (2024)
• Usfs/trimmer Work Center (2024)
• Usfws San Luis Nwr Complex (2024)
• Usmc - 29 Palms (2024)
• Usmc - Housing Coleville (2024)
• Usmc Nebo (barstow) (2025)
• Usmc Yermo Annex (2025)
• Usmc/mtn Warfare Trng Ctr - Bridgeport (2025)
• Usn San Clemente Island (2025)