New Mexico tap water quality
595 active community water systems.
Largest water systems
| Grade | System | People | Health violations (5y) |
|---|
| A | Albuquerque Bernalillo County Water Utility Authority (ABCWUA) | 560,326 | 0 |
| B | Rio Rancho Water & WW Services | 107,350 | 1 |
| A | Las Cruces Municipal Water System | 98,175 | 0 |
| B | Santa Fe Water System (City Of) | 90,810 | 1 |
| C | Roswell Municipal Water System | 54,025 | 2 |
| B | Farmington Water System | 47,655 | 1 |
| A | Epcor Water New Mexico Inc Clovis | 41,066 | 0 |
| A | Hobbs Municipal Water Supply | 40,418 | 0 |
| B | Alamogordo Domestic Water System | 35,301 | 0 |
| C | University of New Mexico | 35,000 | 1 |
| A | Carlsbad Municipal Water System | 33,626 | 0 |
| A | Los Alamos Municipal Water System | 25,000 | 0 |
| A | New Mexico State University | 24,000 | 0 |
| A | Kirtland Air Force Base | 22,500 | 0 |
| D | Camino Real Regional Utility Authority | 21,930 | 26 |
| D | Gallup Water System | 20,880 | 8 |
| C | Los Lunas Water System | 19,400 | 3 |
| D | Dona Ana Mdwca | 16,987 | 13 |
| D | Deming Municipal Water System | 16,788 | 7 |
| A | Ruidoso Water System | 15,947 | 0 |
| A | Artesia Municipal Water System | 15,176 | 0 |
| B | Lake Section Water Company | 14,619 | 1 |
| A | Mescalero Inn of the Mt. Gods | 14,542 | 0 |
| D | Las Vegas (City Of) | 14,530 | 45 |
| A | Silver City Water System | 14,400 | 0 |
| A | Portales Water System | 14,284 | 0 |
| D | Lovington Municipal Water Supply | 13,539 | 8 |
| A | Moongate West | 13,362 | 0 |
| B | Holloman Air Force Base | 13,000 | 0 |
| A | Socorro Water System | 12,026 | 0 |
| B | Espanola Water System | 12,012 | 1 |
| A | Zuni Pueblo | 11,888 | 0 |
| B | Bernalillo Water System | 11,810 | 0 |
| A | Lower Rio Grande PWWA South Valley | 11,542 | 0 |
| D | Belen Water System | 10,830 | 22 |
| D | Grants Domestic Water System | 10,523 | 4 |
| C | City of Raton/Raton Water Works | 9,733 | 2 |
| A | Aztec Domestic Water System | 9,673 | 0 |
| A | Bloomfield Water Supply System | 9,536 | 0 |
| A | Moongate Water System | 9,170 | 0 |
| A | Isleta Eastside | 8,941 | 0 |
| C | Lee Hammond Water | 8,817 | 1 |
| B | Anthony W&sd | 8,691 | 1 |
| A | Lower Valley Water Users Association | 8,683 | 0 |
| A | Entranosa Water Association | 8,500 | 0 |
| B | Cannon Air Force Base Water System | 7,832 | 0 |
| A | Eldorado Area Water and Sanitation Dist. | 7,082 | 0 |
| A | Epcor Water New Mexico Inc., Edgewood | 6,795 | 0 |
| D | Truth Or Consequences | 6,783 | 17 |
| B | Santa Fe County South Sector | 6,775 | 1 |
Most issues (systems serving 10,000+)
D26 health-based violations in the last 5 years; 11 monitoring/reporting violations; 2 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
D13 health-based violations in the last 5 years; 14 monitoring/reporting violations; 2 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
D45 health-based violations in the last 5 years; 10 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
D22 health-based violations in the last 5 years; 56 monitoring/reporting violations; 12 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2026).
D8 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).
D7 health-based violations in the last 5 years; 5 monitoring/reporting violations; 4 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
D8 health-based violations in the last 5 years; 4 monitoring/reporting violations; 1 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
D4 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).
C3 health-based violations in the last 5 years; 1 monitoring/reporting violation; 3 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
C2 health-based violations in the last 5 years; 4 monitoring/reporting violations; 3 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
C1 health-based violation in the last 5 years; 7 monitoring/reporting violations; 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; 3 monitoring/reporting violations; 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; 2 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; 2 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
B1 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).
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 (2025).
BNo health-based violations in the last 5 years; 23 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; 6 monitoring/reporting violations; 1 not yet resolved; 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; 5 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
ANo health-based violations in the last 5 years; 4 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Latest lead 90th percentile on file is from 2020 (older than 5 years, not graded).
Cities
AbiquiuAlamogordoAlbuquerqueAlcaldeAlgodonesAltoAngel FireAnthonyAnton ChicoAragonArenas ValleyArroyo HondoArroyo SecoArtesiaAztecBayardBelenBentBerinoBernalilloBiboBlancoBloomfieldBluewaterBosque FarmsBuena VistaCaballoCanjilonCannon AFBCanonCanonesCapitanCapulinCarlsbadCarrizozoCarsonCauseyCebollaCedar CrestCentralCerrillosCerroChaconChamaChamberinoChamisalChamitaChaparralChimayoCimarronClaytonClevelandClines CornersCloudcroftClovisCochiti LakeCochiti PuebloColumbusConchas DamContinental DivideCordovaCoronaCorralesCostillaCounselorCoyoteCubaCuberoCundiyoDatilDemingDerryDes MoinesDes MontesDexterDixonDona AnaDoraDulceEagle NestEdgewoodEl PradoEl RitoElephant ButteElidaEmbudoEncinoEspanolaEstanciaEuniceFairacresFarmingtonFlora VistaFloydFort StantonFort SumnerFruitlandGalisteoGallinaGallupGamercoGarfieldGlorietaGonzales RanchGradyGrantsGrenvilleGuadalupitaHachitaHagermanHanoverHatchHernandezHigh RollsHigh Rolls Mountain ParkHillsboroHobbsHolloman Air Force BaseHolmanHopeHouseHurleyIlfeldIsletaJalJamestownJaralesJemez PuebloJemez SpringsKirtlandKirtland AfbLA JaraLa JoyaLA LuzLA MaderaLA MesaLA PlataLagunaLajoyaLake ArthurLamyLas CrucesLas NutriasLas VegasLedouxLemitarLincolnLindrithLlanoLoco HillsLoganLordsburgLos AlamosLos LunasLos OjosLovingLovingtonLumbertonLunaMagdalenaMalagaMaljamarMaxwellMayhillMcintoshMedanalesMelroseMentmoreMescaleroMesillaMesilla ParkMesquiteMiamiMilanMimbresMontezumaMonumentMoraMoriartyMosqueroMountainairNageeziNara VisaNavajo DamNew LagunaNew Pueblo Pintado Community SchoolNogalOhkay OwingehOjo CalienteOjo EncinoOjo FelizOjo SarcoOrganOrograndePaguatePecosPena BlancaPenascoPeraltaPie TownPinonPinos AltosPlacitasPlayasPojoaquePolvaderaPonderosaPortalesPrewittPuerto De LunaQuemadoQuestaRadium SpringsRainsvilleRamahRanchos De TaosRatonRed RiverRedrockReginaRehobothReserveRiberaRinconRio RanchoRociadaRodarteRodeoRogersRoswellRoweRoyRuidosoRuidoso DownsRutheronSalemSan AcaciaSan AntonioSan CristobalSan FidelSan JonSan JoseSan MateoSan MiguelSan RafaelSan YsidroSandia ParkSanta ClaraSanta CruzSanta FeSanta RosaSanta TeresaSanto Domingo PuebloSapelloSeboyetaSenaSerafinaSilver CitySocorroSolanoSouth WoodyardSpringerSunland ParkSunspotTaibanTajiqueTaosTaos Ski ValleyTatumTecolotitoTesuqueTexicoThoreauTierra AmarillaTijerasTimberonTorreonTrampasTres PiedrasTruchasTruth Or ConsequencesTucumcariTularosaTyroneUte ParkVaditoVadoValdezVallecitosValmoraVaughnVelardeVillanuevaWagon MoundWaterflowWatrousWeedWhite RockWhite Sands Missile RangWhite Sands Missile RangeWhites CityWillardYataheyYoungsvilleZuni