Arkansas tap water quality

658 active community water systems.

Largest water systems

GradeSystemPeopleHealth violations (5y)
ACentral Arkansas Water368,4550
AFayetteville Waterworks116,3980
ASpringdale Water Utilities100,7950
AFort Smith Water Utilities86,2090
AJonesboro Water System81,8880
ARogers Water Utilities81,4430
AHot Springs Utilities75,3430
AConway Water System65,2330
ABentonville Water Utilities51,2500
ATexarkana Water Utilities50,8150
ALiberty Utilities43,4380
ABella Vista Poa39,4190
AJacksonville Waterworks32,8750
AParagould Municipal Utilities31,1880
ABenton Waterworks30,6810
CCity Corporation29,2602
ASearcy Waterworks28,1960
ACabot Waterworks27,5780
ACenterton Waterworks27,2430
AVilonia Waterworks24,6900
AWest Memphis Waterworks24,4190
ASiloam Springs Waterworks23,9400
BSalem Water Users LLC22,7750
AVan Buren Waterworks22,7250
BConway Co Regional Water Dist21,3931
AWashington Water Authority Wwa20,1400
AMountain Home Waterworks19,6180
ABryant Waterworks19,6070
BCommunity Water System18,6281
CEl Dorado Waterworks17,9322
AHarrison Waterworks17,4550
AGrand Prairie Regional Water16,3300
ATri-County Water Distbr Dist16,0840
AHot Springs Village Waterworks15,9850
ASardis Water Association15,6600
ABatesville Water Utilities15,6210
AMalvern Waterworks14,4100
DMarion Waterworks14,18510
AHeber Springs Water System14,0150
ACamden Waterworks13,2750
AGrand Prairie Bayou 2 Pwa13,1380
ABlytheville Waterworks12,9810
AGreenbrier Waterworks12,9380
APea Ridge Waterworks12,7950
AKimzey Regional Water District12,7180
CWard Waterworks12,5793
ASw White County Water Assn12,1730
AArkadelphia Waterworks11,8550
AMid-Arkansas Utilities P.W.A11,7450
AMagnolia Waterworks11,6570

Most issues (systems serving 10,000+)

D

Marion Waterworks

Serves 14,185 people · Groundwater · Full report →
10 health-based violations in the last 5 years; 2 monitoring/reporting violations; 10 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
C

Ward Waterworks

Serves 12,579 people · Surface water · Full report →
3 health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
C

El Dorado Waterworks

Serves 17,932 people · Groundwater · Full report →
2 health-based violations in the last 5 years; 1 monitoring/reporting violation; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
C

City Corporation

Serves 29,260 people · Surface water · Full report →
2 health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
B

Conway Co Regional Water Dist

Serves 21,393 people · Surface water · Full report →
1 health-based violation in the last 5 years; 2 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
B

Community Water System

Serves 18,628 people · Surface water · Full report →
1 health-based violation in the last 5 years; 2 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
B

Salem Water Users LLC

Serves 22,775 people · Surface water · Full report →
No 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 (2025).
A

Centerton Waterworks

Serves 27,243 people · Surface water · Full report →
No health-based violations in the last 5 years; 3 monitoring/reporting violations; 1 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A

Arkadelphia Waterworks

Serves 11,855 people · Surface water · Full report →
No health-based violations in the last 5 years; 3 monitoring/reporting violations; 1 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A

Hope Water Light Comm

Serves 11,500 people · Surface water · Full report →
No 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 (2025).
A

Hot Springs Utilities

Serves 75,343 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A

Siloam Springs Waterworks

Serves 23,940 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A

Grand Prairie Bayou 2 Pwa

Serves 13,138 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A

Greenbrier Waterworks

Serves 12,938 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A

Central Arkansas Water

Serves 368,455 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A

Fayetteville Waterworks

Serves 116,398 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A

Springdale Water Utilities

Serves 100,795 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A

Fort Smith Water Utilities

Serves 86,209 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A

Jonesboro Water System

Serves 81,888 people · Groundwater · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A

Rogers Water Utilities

Serves 81,443 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).

Cities

AdonaAlexanderAliciaAlleeneAlmaAlmyraAlpenaAltheimerAltusAmagonAmityAntoineArkadelphiaArkansas CityAsh FlatAshdownAtkinsAubreyAugustaAustinAvocaBald KnobBanksBarlingBatesvilleBauxiteBayBeardenBee BranchBeebeBeech GroveBeedevilleBella VistaBellevilleBen LomondBentonBentonvilleBerryvilleBig FlatBigelowBiggersBiscoeBismarckBlack OakBlack RockBlevinsBlue MountainBlythevilleBolesBonnerdaleBonoBoonevilleBradfordBradleyBranchBrickeysBrinkleyBrockwellBrooklandBryantBucknerBull ShoalsBurdetteCabotCaldwellCalico RockCalionCamdenCanehillCarawayCarlisleCarthageCasaCashCasscoeCave CityCave SpringsCecilCedarvilleCenter RidgeCentertonCentervilleCharlestonCharlotteCherokee VillageCherry ValleyChesterChidesterClarendonClarkedaleClarksvilleClevelandClintonCollege StationColtCombsComptonConcordConwayCordCorningCotterCotton PlantCoveCoyCrawfordsvilleCrocketts BluffCrossettCushmanDamascusDanvilleDardanelleDattoDe QueenDe Valls BluffDe WittDecaturDeerDelaplaineDelawareDelightDellDennardDermottDes ArcDeshaDiamond CityDiazDierksDoddridgeDonaldsonDoverDrascoDumasDyerDyessEarleEdgemontEdmondsonEgyptEl DoradoEl PasoElkinsEmersonEmmetEnglandEnolaEthelEtowahEudoraEureka SpringsEvansvilleEvening ShadeEvertonFairfield BayFarmingtonFayettevilleFifty SixFisherFlippinFloralFordyceForemanForrest CityFort SmithFoukeFountain HillFoxFultonGarfieldGarland CityGassvilleGentryGilbertGillettGillhamGilmoreGlencoeGlenwoodGouldGradyGrannisGrapevineGravetteGreen ForestGreenbrierGreenwayGreenwoodGriffithvilleGrubbsGuionGurdonGuyHackettHagarvilleHamburgHamptonHardyHarrellHarrisburgHarrisonHartfordHartmanHastyHatfieldHattievilleHavanaHaynesHazenHeber SpringsHectorHelenaHendersonHensleyHermitageHethHickory RidgeHigdenHigginsonHindsvilleHiwasseHolly GroveHopeHoratioHorseshoe BendHot Springs National ParkHot Springs VillageHoustonHoxieHughesHumnokeHumphreyHuntingtonHuntsvilleHuttigImbodenJacksonportJacksonvilleJasperJeffersonJerseyJerusalemJessievilleJoinerJones MillJonesboroJudsoniaJunction CityKeiserKensettKeoKingslandKingstonKnobelKnoxvilleLafeLake CityLake VillageLakeviewLamarLavacaLeachvilleLead HillLeolaLepantoLeslieLetonaLewisvilleLexaLincolnLittle RockLittle Rock Air Force BaseLockesburgLocust GroveLondonLonokeLonsdaleLouannLowellLuxoraLynnMabelvaleMadisonMagazineMagnessMagnoliaMalvernMammoth SpringManilaMansfieldMarble FallsMariannaMarionMarked TreeMarmadukeMarshallMarvellMaumelleMayflowerMaynardMaysvilleMc CaskillMc CroryMc DougalMc GeheeMc NeilMc RaeMelbourneMellwoodMenaMenifeeMidlandMidwayMineral SpringsMinturnMonetteMonroeMonticelloMontroseMoroMorriltonMorrowMoscowMount HollyMount IdaMount PleasantMount VernonMountain HomeMountain PineMountain ViewMountainburgMulberryMurfreesboroNashvilleNatural DamNew EdinburgNewarkNewportNorforkNormanNorphletNorth Little RockO KeanOak GroveOaklandOgdenOil TroughOkolonaOlaOmahaOniaOsceolaOxfordOzanOzarkOzonePalestinePangburnParagouldParisParkdaleParkinParksParonParthenonPattersonPea RidgePeach OrchardPearcyPelsorPencil BluffPerryPerryvillePettigrewPickensPiggottPindallPine BluffPinevillePleasant GrovePleasant PlainsPlumervillePocahontasPollardPoplar GrovePortiaPortlandPottsvillePoughkeepsiePowhatanPoyenPrairie GrovePrattsvillePrescottPrimProctorQuitmanRatcliffRavendenRavenden SpringsRectorRedfieldReydellReynoRisonRoeRogersRohwerRolandRomanceRose BudRosieRosstonRoyalRudyRussellRussellvilleSaffellSageSaint CharlesSaint FrancisSaint JoeSaint PaulSaratogaScotlandScottScrantonSearcySheridanSherrillSherwoodShirleySidneySiloam SpringsSmackoverSmithvilleSolgohachiaSparkmanSpringdaleSpringfieldStampsStar CityState UniversityStephensStrawberryStrongStuttgartSubiacoSuccessSulphur SpringsSummersSummitSwiftonTaylorTexarkanaThorntonTichnorTillarTillyTimboTraskwoodTrumannTuckerTuckermanTumbling ShoalsTurrellTyronzaUlmUmpireUniontownValley SpringsVan BurenVendorViloniaViolaViolet HillWabashWabbasekaWaldenburgWaldoWaldronWalnut RidgeWardWarrenWashingtonWatsonWeinerWesleyWest ForkWest HelenaWest MemphisWestern GroveWheatleyWhelen SpringsWhite HallWickesWidemanWidenerWilburnWillifordWilmarWilmotWilsonWiltonWinchesterWinslowWinthropWitterWitts SpringsWoosterWrightsvilleWynneYellville