Utah tap water quality
506 active community water systems.
Largest water systems
| Grade | System | People | Health violations (5y) |
|---|
| C | Salt Lake City Department of Public Utilities | 383,612 | 0 |
| A | Granger-Hunter Improvement District | 121,083 | 0 |
| A | West Jordan City Water System | 117,025 | 0 |
| A | Provo City | 116,288 | 0 |
| B | St George City Water System | 105,240 | 0 |
| B | Sandy City Water System | 99,750 | 0 |
| A | Jordan Valley Wcd | 99,335 | 0 |
| A | Orem City Water System | 98,129 | 0 |
| B | Lehi City | 93,446 | 0 |
| A | South Jordan City | 89,704 | 0 |
| A | Ogden City Water System | 87,267 | 0 |
| A | Layton City Water System | 82,000 | 0 |
| A | Saratoga Springs City | 68,000 | 0 |
| A | Taylorsville-Bennion ID | 67,098 | 0 |
| A | Eagle Mountain City | 61,266 | 0 |
| A | Herriman City Municipal Water Department | 60,000 | 0 |
| B | University of Utah | 57,080 | 1 |
| A | Kearns Improvement District | 56,700 | 0 |
| A | Logan City Water System | 55,540 | 0 |
| A | Spanish Fork City | 47,169 | 0 |
| A | Washington City | 45,865 | 0 |
| A | Riverton City Water System | 45,600 | 0 |
| B | Tooele City Water System | 41,770 | 0 |
| B | Pleasant Grove City | 40,000 | 1 |
| B | Cedar City Waterworks | 39,670 | 1 |
| A | American Fork City | 39,045 | 0 |
| A | Roy City Water System | 38,800 | 0 |
| A | Murray City Water System | 38,723 | 0 |
| B | Bountiful City Water System | 37,500 | 0 |
| A | Magna Water District | 36,700 | 0 |
| B | Syracuse City Water System | 35,561 | 0 |
| A | Springville City | 35,516 | 0 |
| C | Clearfield City Water System | 33,540 | 2 |
| A | Waterpro Inc | 33,100 | 0 |
| B | Midvale City Water System | 33,005 | 0 |
| A | Kaysville City Water System | 32,976 | 0 |
| A | Bona Vista Water District | 29,000 | 0 |
| A | Farmington City Water System | 27,860 | 0 |
| A | Hill Air Force Base | 25,625 | 0 |
| B | Hurricane City | 25,555 | 0 |
| B | South Salt Lake City Water System | 23,600 | 0 |
| A | Draper City Water System | 23,205 | 0 |
| A | Clinton City Water System | 23,000 | 0 |
| A | North Ogden City | 22,000 | 0 |
| A | Highland City | 22,000 | 0 |
| A | Vineyard City | 21,431 | 0 |
| A | Hooper Water Improvement District | 20,820 | 0 |
| A | Brigham City Water System | 20,540 | 0 |
| A | Bluffdale Water System | 20,000 | 0 |
| A | Heber City Water System | 19,000 | 0 |
Most issues (systems serving 10,000+)
CNo health-based violations in the last 5 years; PFOA/PFOS average above the 4 ppt federal limit: PFOS; Other PFAS above 2024 limits (rule proposed for repeal): PFHxS, Hazard Index; Lead 90th percentile below the action level (2024).
C2 health-based violations in the last 5 years; 2 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
CNo health-based violations in the last 5 years; 1 monitoring/reporting violation; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile ABOVE the action level (2025).
B1 health-based violation in the last 5 years; 4 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
BNo health-based violations in the last 5 years; 22 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
BNo health-based violations in the last 5 years; 50 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
BNo health-based violations in the last 5 years; 51 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
B1 health-based violation in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
B1 health-based violation in the last 5 years; 1 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
BNo health-based violations in the last 5 years; 21 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
BNo health-based violations in the last 5 years; 24 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
BNo health-based violations in the last 5 years; 42 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
BNo health-based violations in the last 5 years; 27 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
BNo health-based violations in the last 5 years; 50 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
BNo health-based violations in the last 5 years; 48 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
BNo health-based violations in the last 5 years; 27 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2026).
BNo health-based violations in the last 5 years; 48 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
BNo health-based violations in the last 5 years; 7 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
BNo health-based violations in the last 5 years; 6 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2022).
BNo health-based violations in the last 5 years; 5 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
Cities
AlpineAltamontAltonAltonahAmerican ForkAntimonyAuroraAxtellBear River CityBeaverBicknellBingham CanyonBlandingBluebellBluffBoulderBountifulBrian HeadBrigham CityBryceCannonvilleCastle DaleCedar CityCedar ValleyCenterfieldCentervilleCentralChesterCirclevilleClarkstonClawsonClearfieldClevelandCollinstonCorinneCornishDeltaDeweyvilleDraperDuchesneDuck Creek VillageDugwayDutch JohnEagle MountainEast CarbonEchoEdenElbertaElmoElsinoreEmeryEnterpriseEphraimEscalanteEurekaFairviewFarmingtonFayetteFerronFieldingFillmoreFort DuchesneFountain GreenFruitlandGarden CityGarlandGarrisonGlendaleGlenwoodGoshenGoshuteGrantsvilleGreen RiverGreenwichGrouse CreekGunlockGunnisonHanksvilleHatchHeber CityHelperHeneferHenrievilleHerrimanHildaleHill AfbHinckleyHoldenHoneyvilleHooperHowellHuntingtonHuntsvilleHurricaneHyde ParkHyrumIbapahIvinsJensenJosephKamasKanabKanarravilleKanoshKaysvilleKenilworthKingstonLa SalLa VerkinLake PowellLaketownLapointLaytonLeamingtonLeedsLehiLevanLewistonLindonLoaLoganLynndylMagnaManilaMantiMantuaMapletonMarysvaleMayfieldMendonMexican HatMidvaleMidwayMilfordMillvilleMinersvilleMoabMonaMonroeMonticelloMorganMoroniMount CarmelMount PleasantMountain HomeMytonNeolaNephiNew HarmonyNewcastleNewtonNorth Salt LakeOak CityOakleyOgdenOrdervilleOremPanguitchParadiseParagonahPark CityParowanPaysonPeoaPine ValleyPleasant GrovePortagePriceProvidenceProvoRandolphRedmondRichfieldRichmondRiversideRivertonRockvilleRooseveltRoyRush ValleySaint GeorgeSalemSalt Lake CitySandySanta ClaraSantaquinSaratoga SpringsScipioSevierSigurdSmithfieldSnowvilleSouth JordanSpanish ForkSpring CitySpringdaleSpringvilleSterlingStocktonSummitSunnysideSyracuseTabionaTalmageTeasdaleTooeleToquervilleTremontonTrentonTridellTropicUpper GoshuteVernalVernonVeyoVirginWalesWallsburgWashingtonWellingtonWellsvilleWendoverWest JordanWest Valley CityWillardWoodruffWoods Cross