New Mexico Drinking Water Compliance Records
558 water systems serving 1,926,900 people. 15,632 historical EPA violation records in the Q2 2026 snapshot.
TapScore Compliance-History Grades
A
301
54%
B
61
11%
C
78
14%
D
82
15%
F
36
6%
558
Water Systems
1,926,900
Population Served
15,632
Historical Records
2,443
Health-Based (All Years)
Systems With the Most Recent EPA Records
EL SHADDAI WATER CO OP
87 served403 historical records118 recent
D
CASSANDRA WATER SYSTEM
34 served184 historical records79 recent
F
LONGHORN ESTATES MDWCA
264 served179 historical records79 recent
F
CHILILI WATER USERS ASSN
175 served189 historical records45 recent
F
CORREO WATER ASSOCIATION
201 served106 historical records42 recent
F
MONARCHY COUNTRY ESTATES
52 served56 historical records42 recent
D
CARRIZOZO WATER SYSTEM
1,136 served78 historical records36 recent
F
BUENA VISTA MDWC & SWA
225 served70 historical records32 recent
F
LORDSBURG WATER SUPPLY SYSTEM
3,298 served173 historical records32 recent
F
TIMBERON W AND SD
2,698 served56 historical records28 recent
F
Large Systems With No Recent Records
ALBUQUERQUE WATER SYSTEM
560,326 served0 historical records
A
LAS CRUCES MUNICIPAL WATER SYSTEM
98,175 served1 historical record
A
ROSWELL MUNICIPAL WATER SYSTEM
54,025 served0 historical records
A
FARMINGTON WATER SYSTEM
47,655 served2 historical records
A
EPCOR WATER NEW MEXICO INC CLOVIS
41,066 served2 historical records
A
HOBBS MUNICIPAL WATER SUPPLY
40,418 served0 historical records
A
ALAMOGORDO DOMESTIC WATER SYSTEM
35,301 served1 historical record
A
CARLSBAD MUNICIPAL WATER SYSTEM
33,626 served9 historical records
A
LOS ALAMOS MUNICIPAL WATER SYSTEM
25,000 served19 historical records
A
GALLUP WATER SYSTEM
20,880 served1 historical record
A
Largest Water Systems in New Mexico
| Water System | Grade | Population | Historical Records |
|---|---|---|---|
| ALBUQUERQUE WATER SYSTEM | A | 560,326 | 0 |
| RIO RANCHO WATER & WW SERVICES | C | 107,350 | 107 |
| LAS CRUCES MUNICIPAL WATER SYSTEM | A | 98,175 | 1 |
| SANTA FE WATER SYSTEM (CITY OF) | C | 90,810 | 17 |
| ROSWELL MUNICIPAL WATER SYSTEM | A | 54,025 | 0 |
| FARMINGTON WATER SYSTEM | A | 47,655 | 2 |
| EPCOR WATER NEW MEXICO INC CLOVIS | A | 41,066 | 2 |
| HOBBS MUNICIPAL WATER SUPPLY | A | 40,418 | 0 |
| ALAMOGORDO DOMESTIC WATER SYSTEM | A | 35,301 | 1 |
| UNIVERSITY OF NEW MEXICO | C | 35,000 | 26 |
| CARLSBAD MUNICIPAL WATER SYSTEM | A | 33,626 | 9 |
| LOS ALAMOS MUNICIPAL WATER SYSTEM | A | 25,000 | 19 |
| NEW MEXICO STATE UNIVERSITY | B | 24,000 | 30 |
| KIRTLAND AIR FORCE BASE | B | 22,500 | 40 |
| GALLUP WATER SYSTEM | A | 20,880 | 1 |
| CAMINO REAL REGIONAL UTILITY AUTHORITY | A | 19,466 | 1 |
| LOS LUNAS WATER SYSTEM | A | 19,400 | 1 |
| DONA ANA MDWCA | D | 16,987 | 13 |
| DEMING MUNICIPAL WATER SYSTEM | C | 16,788 | 7 |
| RUIDOSO WATER SYSTEM | A | 15,947 | 4 |
Contaminants in New Mexico
Lead in New MexicoArsenic in New MexicoNitrate in New MexicoFluoride in New MexicoPFOS in New MexicoPFOA in New MexicoTHMs in New MexicoHAA5 in New Mexico
Cities in New Mexico
ALBUQUERQUE(40)LAS CRUCES(22)SANTA FE(26)RIO RANCHO(3)ROSWELL(4)FARMINGTON(5)CLOVIS(5)HOBBS(3)CARLSBAD(6)LA LUZ(4)ALAMOGORDO(8)LOS LUNAS(11)ANTHONY(10)LOS ALAMOS(3)ORGAN(3)GALLUP(7)ARTESIA(7)SUNLAND PARK(1)BLOOMFIELD(3)PORTALES(2)DEMING(4)DONA ANA(2)SILVER CITY(8)CHAPARRAL(3)BELEN(3)RUIDOSO(4)AZTEC(5)EDGEWOOD(3)ELEPHANT BUTTE(7)LAS VEGAS(4)LOVINGTON(1)ESPANOLA(7)HOLLOMAN AFB(1)HOLLOMAN AIR FORCE BASE(1)SOCORRO(2)VADO(3)BERNALILLO(2)TIJERAS(11)GRANTS(1)RIO COMMUNITIES(3)RATON(3)CANNON AFB(1)KIRTLAND(1)TAOS(10)TUCUMCARI(4)TRUTH OR CONSEQUENCES(2)ANGEL FIRE(3)ALTO(9)JAL(1)CLOUDCROFT(9)MORIARTY(7)PERALTA(3)EUNICE(1)BOSQUE FARMS(3)WHITE SANDS MISSILE RANGE(1)WHITE SANDS MISSILE RANG(1)PLACITAS(11)FLORA VISTA(1)BAYARD(2)LORDSBURG(3)CIMARRON(3)MILAN(2)TULAROSA(1)SANTA ROSA(5)CLAYTON(1)QUESTA(4)HURLEY(3)GLORIETA(3)PECOS(5)TIMBERON(1)GARFIELD(1)LEMITAR(1)POLVADERA(1)RANCHOS DE TAOS(6)CEDAR CREST(9)HATCH(1)LOGAN(1)CAPITAN(2)LA PLATA(1)HAGERMAN(4)FORT SUMNER(2)COLUMBUS(1)MESILLA(1)RUIDOSO DOWNS(1)ESTANCIA(5)SANTA CLARA(2)LOVING(1)MAYHILL(4)CUBA(1)JEMEZ SPRINGS(3)GAMERCO(1)RIBERA(12)CENTRAL(1)CHAMA(2)EL PRADO(6)MOUNTAINAIR(3)DEXTER(1)SPRINGER(3)HERNANDEZ(1)THOREAU(2)