Mississippi tap water quality

1,015 active community water systems.

Largest water systems

GradeSystemPeopleHealth violations (5y)
DCity of Jackson189,67316
ACity of Gulfport75,0560
ACity of Southaven56,0000
ACity of Olive Branch54,0250
ACity of Hattiesburg43,4490
ACity of Tupelo37,0000
ACity of Meridian34,4660
ACity of Starkville32,0270
BCity of Brandon31,8521
ACity of Flowood31,5740
CCity of Greenville29,6022
ACity of Vicksburg29,2380
AWest Jackson Co Utility Dist28,5440
DCity of Oxford28,5000
DCity of Jackson-Maddox Rd.28,0985
BCity of Pearl27,1150
BUniversity of Mississippi26,8740
ABear Creek W/A-West26,6770
ACity of Ocean Springs26,1680
ACity of Clinton25,0000
ACity of Ridgeland24,3400
AColumbus Light & Water23,6160
ACity of Biloxi23,3100
BCity of Pascagoula22,6860
ACity of Gautier22,2530
ACity of Greenwood19,1400
ABear Creek W/A -East18,7700
ACity of Long Beach18,5140
AWest Lamar Water Assn #118,4910
ACity of Laurel18,1000
CCity of Canton16,7851
ACity of Cleveland16,3920
ACity of Madison16,1360
AChoctaw - Pearl River16,1060
ACity of West Point15,0620
CCity of Corinth15,0000
BMs State University15,0000
DClarksdale Public Utilities14,9036
ACity of Natchez14,5200
CCity of Hernando14,4571
ACity of Horn Lake13,6490
ANorth Lamar Water Association12,7780
ACity of Grenada12,7620
AHorn Lake Water Association12,7350
ADiberville W/S12,7210
ADiamondhead Utilities-North12,5770
CCity of Moss Point12,5242
CCity of Brookhaven12,5131
ASouth Central Water Assn12,2600
BCity of McComb12,0410

Most issues (systems serving 10,000+)

D

Clarksdale Public Utilities

Serves 14,903 people · Groundwater · Full report →
6 health-based violations in the last 5 years; 6 monitoring/reporting violations; 1 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
D

City of Jackson-Maddox Rd.

Serves 28,098 people · Groundwater · Full report →
5 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).
D

City of Jackson

Serves 189,673 people · Surface water · Full report →
16 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 (2026).
D

City of Oxford

Serves 28,500 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOA, PFOS; Other PFAS above 2024 limits (rule proposed for repeal): PFHxS, Hazard Index; Lead 90th percentile below the action level (2024).
C

City of Corinth

Serves 15,000 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; PFOA/PFOS average above the 4 ppt federal limit: PFOA, PFOS; Lead 90th percentile below the action level (2024).
C

City of Moss Point

Serves 12,524 people · Groundwater · Full report →
2 health-based violations in the last 5 years; 4 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
C

City of Greenville

Serves 29,602 people · Groundwater · 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).
C

City of Canton

Serves 16,785 people · Groundwater · Full report →
1 health-based violation 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).
C

City of Hernando

Serves 14,457 people · Groundwater · Full report →
1 health-based violation 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).
C

City of Brookhaven

Serves 12,513 people · Groundwater · Full report →
1 health-based violation 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).
B

University of Mississippi

Serves 26,874 people · Groundwater · Full report →
No health-based violations in the last 5 years; PFOA/PFOS average above the 4 ppt federal limit: PFOA; Lead 90th percentile below the action level (2024).
B

City of Brandon

Serves 31,852 people · Groundwater · Full report →
1 health-based violation 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).
B

Prvwsd-Pelahatchie Bay

Serves 11,790 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 1 monitoring/reporting violation; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
B

Pearl River Central W/A

Serves 11,830 people · Groundwater · Full report →
No health-based violations in the last 5 years; 18 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
B

City of Pascagoula

Serves 22,686 people · Groundwater · Full report →
No health-based violations in the last 5 years; 9 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
B

Ms State University

Serves 15,000 people · Groundwater · Full report →
No 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 (2024).
B

City of McComb

Serves 12,041 people · Groundwater · Full report →
No health-based violations in the last 5 years; 7 monitoring/reporting violations; 1 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
B

City of Pearl

Serves 27,115 people · Groundwater · 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

City of Hattiesburg

Serves 43,449 people · Groundwater · Full report →
No health-based violations in the last 5 years; 4 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile above the new 10 ppb action level (LCRI, effective Nov 1, 2027); Lead 90th percentile below the action level (2023).
A

City of Starkville

Serves 32,027 people · Groundwater · Full report →
No health-based violations 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).

Cities

AbbevilleAberdeenAckermanAlligatorAmoryAnguillaArcolaArtesiaAshlandAvonBaileyBaldwynBannerBassfieldBatesvilleBay Saint LouisBay SpringsBay St LouisBeaumontBeldenBellefontaineBelzoniBenoitBentonBentoniaBeulahBig CreekBiloxiBlue MountainBlue SpringsBogue ChittoBoltonBoonevilleBoyleBrandonBraxtonBrookhavenBrooklynBrooksvilleBruceBuckatunnaBudeBurnsvilleByhaliaByramCaledoniaCalhoun CityCamdenCantonCarriereCarrolltonCarsonCarthageCaryCascillaCentrevilleCharlestonChathamChunkyClarksdaleClevelandClintonCoahomaCoffeevilleCoilaColdwaterCollinsCollinsvilleColumbiaColumbusComoConehattaCorinthCourtlandCrawfordCrenshawCrowderCrugerCrystal SpringsD LoD'ibervilleDalevilleDarlingDe KalbDecaturDelta CityDennisDermaDiamondheadDibervilleDrewDuck HillDumasDuncanDundeeDurantEcruEdwardsEllisvilleEnidEnterpriseEthelEttaEuporaFalknerFayetteFernwoodFloraFlorenceFlowoodForestFoxworthFrench CampFriars PointFultonGattmanGautierGeorgetownGlenGlen AllanGlendoraGlosterGoldenGoodmanGore SpringsGraceGreenvilleGreenwoodGreenwood SpringsGrenadaGulfportGunnisonGuntownHamiltonHarrisvilleHattiesburgHazlehurstHeidelbergHermanvilleHernandoHickoryHickory FlatHolcombHollandaleHolly BluffHolly SpringsHorn LakeHoulkaHoustonIndianolaInvernessIsolaItta BenaIukaJacksonJayessJonestownKilmichaelKilnKokomoKosciuskoLakeLake CormorantLamarLambertLauderdaleLaurelLeakesvilleLelandLenaLexingtonLibertyLittle RockLong BeachLormanLouinLouiseLouisvilleLucedaleLulaLumbertonLyonMabenMaconMadisonMageeMagnoliaMantachieManteeMariettaMarionMarksMathistonMayersvilleMc Call CreekMc CarleyMc CoolMc HenryMc LainMc NeillMcCombMeadvilleMendenhallMeridianMerigoldMetcalfeMidnightMississippi StateMizeMonticelloMoorevilleMoorheadMorgan CityMortonMoselleMoss PointMound BayouMount OliveMyrtleNatchezNeelyNesbitNettletonNew AlbanyNew AugustaNew SiteNewhebronNewtonNoxapaterOak ValeOaklandOcean SpringsOkolonaOlive BranchOsykaOvettOxfordPacePachutaParisPascagoulaPass ChristianPattisonPauldingPearlPearlingtonPelahatchiePerkinstonPetalPhebaPhiladelphiaPhilippPicayunePickensPittsboroPlantersvillePontotocPopePoplarvillePort GibsonPortervillePotts CampPrairiePrentissPrestonPulaskiPurvisQuitmanRaleighRandolphRaymondRed BanksRedwoodRena LaraRichlandRichtonRidgelandRienziRipleyRobinsonvilleRolling ForkRomeRose HillRosedaleRoxieRulevilleRuthSallisSaltilloSandersvilleSandy HookSarahSardisSatartiaSaucierSchlaterScobeyScoobaSebastopolSeminarySenatobiaShannonShawShelbyShermanShubutaShuqualakSidonSilver CitySilver CreekSledgeSmithdaleSmithvilleSontagSosoSouthavenStarStarkvilleState LineSteensStennis Space CenterStewartStonewallStringerSturgisSummitSumnerSumrallSunflowerTaylorTaylorsvilleTchulaTerryThaxtonTillatobaTiplersvilleTippoTishomingoToomsubaTougalooTremontTunicaTupeloTutwilerTylertownUnionUnion ChurchUniversityUticaVaidenValley ParkVanceVancleaveVardamanVaughanVeronaVicksburgVossburgWallsWalnutWalnut GroveWalthallWashingtonWater ValleyWaterfordWavelandWaynesboroWaysideWebbWeirWessonWestWest PointWheelerWhitfieldWigginsWinonaWinstonvilleWoodlandWoodvilleYazoo City