Water Quality in New Mexico
555 water systems • 220 cities • EPA SDWIS Data
555
Water Systems
37,115
Total Violations
7,761
Health-Based Violations
1,923,604
Population Served
Overview
New Mexico has 555 active community water systems serving 1,923,604 people. These systems have accumulated 37,115 EPA Safe Drinking Water Act violations on record, of which 7,761 are health-based violations (meaning a contaminant exceeded safe levels).
Common contaminants found in violations: Chlorine Dioxide, Stage 2 DBP, Chlorine, TTHM, Total Haloacetic Acids (HAA5), Gross Alpha, E. coli, Arsenic, Total Organic Carbon, HAA5.
Cities with Most Violations in New Mexico
| # | City | Violations | Health-Based | Water Systems | Population |
|---|---|---|---|---|---|
| 1 | Albuquerque | 2,293 | 334 | 36 | 630,436 |
| 2 | Springer | 738 | 505 | 3 | 1,514 |
| 3 | Santa Fe | 722 | 115 | 23 | 112,962 |
| 4 | Las Cruces | 614 | 93 | 20 | 135,944 |
| 5 | Lordsburg | 602 | 339 | 2 | 3,393 |
| 6 | Tijeras | 593 | 238 | 8 | 10,321 |
| 7 | Laguna | 532 | 50 | 2 | 244 |
| 8 | Gallina | 508 | 103 | 3 | 577 |
| 9 | Cimarron | 496 | 243 | 3 | 3,600 |
| 10 | Ignacio | 471 | 77 | 2 | 283 |
Largest Cities in New Mexico
| # | City | Population | Violations | Water Systems |
|---|---|---|---|---|
| 1 | Albuquerque | 630,436 | 2,293 | 36 |
| 2 | Las Cruces | 135,944 | 614 | 20 |
| 3 | Santa Fe | 112,962 | 722 | 23 |
| 4 | Rio Rancho | 107,428 | 265 | 3 |
| 5 | Roswell | 59,024 | 139 | 4 |
| 6 | Farmington | 47,655 | 13 | 2 |
| 7 | Clovis | 43,110 | 417 | 5 |
| 8 | Hobbs | 40,501 | 111 | 2 |
| 9 | Carlsbad | 39,476 | 285 | 5 |
| 10 | La Luz | 37,345 | 74 | 4 |
All Cities in New Mexico
| City | Population | Violations | Health Violations | Contaminants |
|---|---|---|---|---|
| Albuquerque | 630,436 | 2,293 | 334 | Barium, Chlorine Dioxide, E. coli +2 more |
| Las Cruces | 135,944 | 614 | 93 | Chlorine Dioxide, E. coli, Gross Alpha +2 more |
| Santa Fe | 112,962 | 722 | 115 | Arsenic, Chlorine Dioxide, E. coli +3 more |
| Rio Rancho | 107,428 | 265 | 5 | Chlorine Dioxide, Stage 2 DBP |
| Roswell | 59,024 | 139 | 21 | Chlorine Dioxide, Stage 2 DBP |
| Farmington | 47,655 | 13 | 0 | |
| Clovis | 43,110 | 417 | 42 | Chlorine Dioxide, E. coli, Stage 2 DBP |
| Hobbs | 40,501 | 111 | 5 | Chlorine Dioxide, Stage 2 DBP |
| Carlsbad | 39,476 | 285 | 22 | Chlorine Dioxide, Stage 2 DBP |
| La Luz | 37,345 | 74 | 4 | Chlorine Dioxide |
| Anthony | 28,937 | 290 | 113 | Barium, Chlorine Dioxide, Stage 2 DBP |
| Los Alamos | 25,743 | 264 | 70 | Chlorine Dioxide, Stage 2 DBP |
| Elephant Butte | 25,380 | 302 | 39 | Chlorine Dioxide, Disinfection Byproducts, E. coli +2 more |
| Gallup | 21,463 | 332 | 36 | Chlorine Dioxide |
| Organ | 19,878 | 65 | 24 | Chlorine Dioxide |
| Los Lunas | 19,662 | 343 | 24 | Chlorine Dioxide, E. coli, Stage 2 DBP |
| Artesia | 19,628 | 234 | 65 | Chlorine Dioxide, Contaminant 1085, E. coli +1 more |
| Sunland Park | 19,466 | 438 | 258 | Barium, Chlorine Dioxide |
| Bloomfield | 18,813 | 267 | 82 | Contaminant 2920, E. coli, Stage 2 DBP +2 more |
| Portales | 18,327 | 124 | 30 | Chlorine Dioxide |
| Dona Ana | 17,227 | 135 | 37 | Chlorine Dioxide |
| Deming | 16,644 | 201 | 33 | Chlorine Dioxide, E. coli, Stage 2 DBP |
| Silver City | 16,534 | 162 | 23 | Chlorine Dioxide, Gross Alpha, Stage 2 DBP |
| Ruidoso | 16,014 | 116 | 14 | Contaminant 2920, Fecal Coliform, TTHM |
| Chaparral | 15,734 | 92 | 11 | Chlorine Dioxide, Gross Alpha, Stage 2 DBP |
| Aztec | 15,241 | 201 | 16 | Chlorine Dioxide, Gross Alpha |
| Las Vegas | 14,753 | 349 | 153 | Bromate, Chlorine Dioxide, Contaminant 2920 +4 more |
| Lovington | 13,539 | 64 | 27 | Chlorine Dioxide, E. coli |
| Holloman Afb | 13,000 | 90 | 0 | |
| Espanola | 12,390 | 217 | 60 | Barium, Chlorine Dioxide, HAA5 +3 more |
| Socorro | 12,001 | 237 | 48 | Chlorine Dioxide, Lead |
| Bernalillo | 11,268 | 90 | 8 | Chlorine, Chlorine Dioxide, Stage 2 DBP |
| Belen | 10,830 | 344 | 107 | Barium, Chlorine Dioxide, Stage 2 DBP |
| Grants | 10,523 | 31 | 8 | Chlorine Dioxide |
| Tijeras | 10,321 | 593 | 238 | Arsenic, Chlorine, Chlorine Dioxide +5 more |
| Raton | 9,900 | 89 | 16 | Chlorine Dioxide, Contaminant 2920, Stage 2 DBP |
| Cannon Afb | 7,832 | 423 | 0 | |
| Kirtland | 7,615 | 15 | 3 | Total Haloacetic Acids (HAA5) |
| Tucumcari | 7,097 | 52 | 5 | Chlorine Dioxide, Stage 2 DBP |
| Edgewood | 6,884 | 92 | 5 | Chlorine Dioxide, Stage 2 DBP |
| Truth Or Consequences | 6,783 | 46 | 17 | Chlorine Dioxide |
| Taos | 6,376 | 129 | 20 | Chlorine Dioxide, Stage 2 DBP |
| Angel Fire | 6,145 | 194 | 16 | Chlorine Dioxide, E. coli, Stage 2 DBP |
| Jal | 5,500 | 93 | 24 | Chlorine Dioxide |
| Alto | 5,400 | 403 | 39 | Chlorine Dioxide, Gross Alpha, Stage 2 DBP |
| Cloudcroft | 4,966 | 262 | 20 | Chlorine, Chlorine Dioxide, E. coli |
| Eunice | 4,487 | 25 | 2 | Chlorine Dioxide |
| Peralta | 4,367 | 68 | 25 | Barium, Chlorine Dioxide, Stage 2 DBP |
| White Sands Missile Range | 4,300 | 9 | 2 | Chlorine Dioxide |
| Pecos | 3,755 | 333 | 56 | Chlorine Dioxide, E. coli, Stage 2 DBP |
| Flora Vista | 3,726 | 52 | 11 | Chlorine Dioxide, Stage 2 DBP |
| Cimarron | 3,600 | 496 | 243 | Bromate, Chlorine Dioxide, Contaminant 2920 +3 more |
| Milan | 3,591 | 50 | 5 | Chlorine Dioxide, Stage 2 DBP |
| Placitas | 3,460 | 269 | 133 | Barium, Chlorine Dioxide, E. coli +2 more |
| Tularosa | 3,458 | 280 | 23 | Chlorine Dioxide, TTHM |
| Lordsburg | 3,393 | 602 | 339 | Chlorine Dioxide, HAA5, Haloacetic Acids +2 more |
| Santa Rosa | 3,281 | 136 | 12 | Chlorine Dioxide, E. coli, Stage 2 DBP |
| Clayton | 3,250 | 4 | 0 | |
| Questa | 3,096 | 149 | 31 | Chlorine Dioxide, E. coli, Stage 2 DBP |
| Moriarty | 3,047 | 81 | 39 | Chlorine Dioxide, Nitrate-Nitrite, Stage 2 DBP |
| Glorieta | 2,912 | 170 | 33 | Chlorine Dioxide, E. coli, Haloacetic Acids +1 more |
| Timberon | 2,698 | 181 | 9 | Bromate, E. coli, Fecal Coliform |
| Bayard | 2,616 | 19 | 0 | |
| Garfield | 2,504 | 100 | 0 | |
| Lemitar | 2,470 | 46 | 2 | Chlorine Dioxide, Stage 2 DBP |
| Ranchos De Taos | 2,433 | 240 | 111 | Chlorine Dioxide, Lead, Stage 2 DBP |
| Hatch | 2,366 | 23 | 0 | |
| Logan | 2,321 | 14 | 3 | Chlorine Dioxide |
| La Plata | 2,265 | 9 | 0 | |
| Fort Sumner | 2,243 | 159 | 22 | Chlorine Dioxide, E. coli |
| Mesilla | 2,167 | 68 | 11 | Chlorine Dioxide, Stage 2 DBP |
| Ruidoso Downs | 2,146 | 10 | 0 | |
| Hagerman | 2,035 | 146 | 11 | Chlorine Dioxide, Stage 2 DBP |
| Hurley | 1,895 | 54 | 0 | |
| Loving | 1,862 | 99 | 33 | Chlorine Dioxide |
| Mayhill | 1,855 | 290 | 35 | Chlorine Dioxide, E. coli, Fecal Coliform +1 more |
| Tyrone | 1,832 | 20 | 0 | |
| Capitan | 1,821 | 17 | 4 | Chlorine Dioxide |
| Cuba | 1,789 | 204 | 62 | Chlorine Dioxide |
| Carrizozo | 1,758 | 95 | 18 | Bromate, Chlorine Dioxide |
| Gamerco | 1,744 | 83 | 14 | Chlorine Dioxide, E. coli |
| Dexter | 1,728 | 13 | 2 | Chlorine Dioxide |
| Chama | 1,693 | 229 | 42 | Chlorine Dioxide, E. coli, Stage 2 DBP |
| Jemez Springs | 1,685 | 275 | 118 | Barium, Chlorine, Chlorine Dioxide |
| Santa Clara | 1,682 | 48 | 15 | Chlorine Dioxide |
| Mountainair | 1,605 | 169 | 19 | Chlorine Dioxide, E. coli, Stage 2 DBP |
| Estancia | 1,581 | 210 | 37 | Chlorine Dioxide, Stage 2 DBP |
| Ribera | 1,572 | 335 | 44 | Chlorine Dioxide, E. coli, Lead +1 more |
| Springer | 1,514 | 738 | 505 | Contaminant 2920, Fecal Coliform, Stage 2 DBP +2 more |
| Hernandez | 1,514 | 157 | 46 | Barium, Chlorine Dioxide |
| Thoreau | 1,504 | 77 | 7 | Chlorine, Chlorine Dioxide, Stage 2 DBP +1 more |
| El Rito | 1,500 | 90 | 3 | Chlorine Dioxide |
| El Prado | 1,493 | 80 | 15 | Chlorine Dioxide, Stage 2 DBP |
| San Antonio | 1,344 | 24 | 0 | |
| Melrose | 1,332 | 24 | 3 | Chlorine, Chlorine Dioxide, Stage 2 DBP |
| Magdalena | 1,321 | 74 | 33 | Chlorine Dioxide |
| Mora | 1,217 | 63 | 6 | Chlorine Dioxide |
| Chimayo | 1,202 | 128 | 29 | Chlorine Dioxide |
| Arroyo Seco | 1,165 | 133 | 7 | Chlorine Dioxide, Stage 2 DBP |
| Blanco | 1,148 | 139 | 17 | Chlorine Dioxide, TTHM |
| San Rafael | 1,060 | 244 | 35 | Chlorine, Chlorine Dioxide |
| High Rolls | 1,048 | 248 | 44 | Chlorine Dioxide, E. coli, Stage 2 DBP |
| Taos Ski Valley | 1,025 | 28 | 4 | Chlorine Dioxide |
| Penasco | 1,006 | 116 | 18 | Chlorine Dioxide |
| Quemado | 986 | 258 | 57 | Chlorine, Chlorine Dioxide, E. coli +2 more |
| San Juan Pueblo | 985 | 178 | 24 | Chlorine Dioxide, Stage 2 DBP |
| Tatum | 948 | 39 | 2 | Chlorine Dioxide |
| Alcalde | 927 | 109 | 55 | Barium, Chlorine Dioxide, Lead |
| Pena Blanca | 894 | 241 | 31 | Chlorine Dioxide, E. coli, Stage 2 DBP |
| Malaga | 868 | 66 | 3 | Chlorine Dioxide, E. coli |
| Alamogordo | 846 | 213 | 47 | Chlorine Dioxide, E. coli, Stage 2 DBP |
| Reserve | 816 | 55 | 15 | Chlorine Dioxide |
| Santa Cruz | 814 | 322 | 97 | Chlorine Dioxide, Haloacetic Acids, Stage 2 DBP |
| Dixon | 788 | 103 | 7 | Chlorine Dioxide, Fecal Coliform, Stage 2 DBP |
| Vaughn | 785 | 66 | 20 | Chlorine, Chlorine Dioxide, E. coli +1 more |
| Cerrillos | 776 | 117 | 9 | Chlorine Dioxide, E. coli |
| Tierra Amarilla | 770 | 120 | 15 | Chlorine, Chlorine Dioxide, Stage 2 DBP |
| Cedar Crest | 721 | 37 | 1 | Gross Alpha |
| Truchas | 629 | 47 | 11 | Chlorine Dioxide, Stage 2 DBP |
| Cleveland | 621 | 118 | 11 | Chlorine Dioxide |
| Eagle Nest | 613 | 20 | 2 | Chlorine Dioxide, Stage 2 DBP |
| Mimbres | 610 | 78 | 44 | Chlorine Dioxide |
| Holman | 602 | 400 | 50 | Chlorine Dioxide, Lead |
| Gallina | 577 | 508 | 103 | Chlorine Dioxide, Stage 2 DBP |
| Ponderosa | 567 | 43 | 2 | Fecal Coliform |
| Chamisal | 550 | 19 | 4 | Chlorine Dioxide |
| Navajo Dam | 545 | 149 | 80 | Bromate, TTHM, Total Haloacetic Acids (HAA5) |
| Velarde | 543 | 15 | 5 | Chlorine Dioxide |
| Abiquiu | 517 | 145 | 25 | Chlorine Dioxide, Stage 2 DBP |
| Ramah | 517 | 132 | 36 | Chlorine Dioxide, Gross Alpha |
| Seboyeta | 505 | 405 | 85 | Chlorine, Chlorine Dioxide, Stage 2 DBP |
| Rociada | 500 | 54 | 1 | Stage 2 DBP |
| Roy | 498 | 50 | 10 | Chlorine Dioxide, Stage 2 DBP |
| Bluewater | 492 | 201 | 40 | Barium |
| Canjilon | 469 | 22 | 0 | |
| Angus | 460 | 29 | 0 | |
| La Jara | 458 | 31 | 14 | Fecal Coliform, Stage 2 DBP, TTHM +1 more |
| Clines Corner | 450 | 24 | 3 | Chlorine Dioxide, Stage 2 DBP, TTHM |
| Ojo Caliente | 441 | 153 | 80 | Chlorine Dioxide, HAA5, Haloacetic Acids +1 more |
| Yah-Tah-Hey | 435 | 64 | 9 | Chlorine Dioxide, E. coli |
| Jamestown | 425 | 27 | 10 | Chlorine Dioxide |
| Algodones | 411 | 115 | 69 | Barium, Chlorine Dioxide, Stage 2 DBP |
| Wagon Mound | 402 | 15 | 5 | Chlorine Dioxide, Stage 2 DBP |
| Llano | 400 | 51 | 8 | Chlorine Dioxide |
| Mesilla Park | 393 | 18 | 1 | Stage 2 DBP |
| Lake Arthur | 374 | 20 | 4 | Chlorine Dioxide |
| San Jon | 360 | 14 | 0 | |
| Los Ojos | 359 | 354 | 45 | Chlorine Dioxide, E. coli, Fecal Coliform +1 more |
| Chacon | 357 | 166 | 17 | Chlorine Dioxide |
| Cebolla | 350 | 144 | 24 | Chlorine Dioxide |
| Tres Piedras | 350 | 11 | 3 | Chlorine Dioxide, Stage 2 DBP |
| Anton Chico | 346 | 112 | 19 | Chlorine Dioxide, Stage 2 DBP |
| Corona | 333 | 28 | 13 | Chlorine Dioxide |
| Cordova | 325 | 90 | 23 | Chlorine Dioxide, Stage 2 DBP |
| Jemez Pueblo | 320 | 29 | 0 | |
| San Jose | 312 | 41 | 4 | Chlorine Dioxide, Stage 2 DBP |
| San Acacia | 284 | 26 | 0 | |
| Ignacio | 283 | 471 | 77 | Arsenic, Bromate, Chlorine Dioxide +3 more |
| Willard | 279 | 47 | 7 | Chlorine Dioxide |
| Monument | 279 | 17 | 3 | Chlorine Dioxide, Stage 2 DBP |
| Littleton | 276 | 18 | 0 | |
| Elida | 273 | 63 | 26 | Barium, Chlorine Dioxide |
| Sandia Park | 269 | 34 | 2 | Chlorine Dioxide |
| Maxwell | 261 | 31 | 8 | Chlorine Dioxide |
| Tesuque | 261 | 115 | 25 | Chlorine Dioxide, Contaminant 1002, Contaminant 1022 +4 more |
| Mosquero | 260 | 67 | 4 | Chlorine Dioxide |
| San Lorenzo | 254 | 1 | 0 | |
| Torreon | 250 | 220 | 46 | Chlorine Dioxide, Stage 2 DBP |
| Conchas Dam | 250 | 62 | 7 | E. coli, TTHM |
| La Joya | 246 | 97 | 14 | Chlorine Dioxide, E. coli |
| Hope | 245 | 64 | 2 | Gross Alpha |
| Laguna | 244 | 532 | 50 | Chlorine, Chlorine Dioxide, E. coli +1 more |
| Costilla | 244 | 57 | 8 | Chlorine Dioxide, Stage 2 DBP |
| Continental Divide | 242 | 98 | 54 | Chlorine Dioxide, Stage 2 DBP |
| Cerro | 232 | 34 | 9 | Chlorine Dioxide, E. coli, Gross Alpha |
| Lincoln | 227 | 130 | 15 | Chlorine Dioxide, Stage 2 DBP |
| Buena Vista | 225 | 109 | 22 | Chlorine Dioxide |
| Ojo Sarco | 225 | 51 | 12 | Chlorine Dioxide |
| Lumberton | 223 | 123 | 60 | Bromate, Fecal Coliform, TTHM +1 more |
| the Villages | 223 | 28 | 4 | Chlorine Dioxide |
| Corrales | 220 | 67 | 20 | Chlorine Dioxide |
| Des Moines | 218 | 83 | 16 | Chlorine Dioxide, Stage 2 DBP |
| Pinon | 215 | 14 | 0 | |
| Arenas Valley | 205 | 136 | 50 | Chlorine Dioxide, Stage 2 DBP |
| Hanover | 203 | 21 | 6 | Chlorine Dioxide |
| Eckert | 200 | 74 | 11 | Chlorine Dioxide, E. coli |
| Arroyo Hondo | 195 | 94 | 37 | Chlorine Dioxide, Haloacetic Acids, Stage 2 DBP |
| Fairview | 194 | 131 | 48 | Chlorine Dioxide, Haloacetic Acids |
| Austin | 193 | 115 | 41 | Chlorine Dioxide |
| Encino | 185 | 10 | 1 | Stage 2 DBP |
| La Madera | 184 | 64 | 19 | Chlorine Dioxide, Haloacetic Acids, Stage 2 DBP |
| Sena | 180 | 64 | 10 | Chlorine Dioxide |
| Rainsville | 177 | 43 | 6 | Chlorine Dioxide |
| Chilili | 175 | 425 | 31 | Chlorine Dioxide, Lead, Stage 2 DBP |
| Nogal | 171 | 137 | 9 | Chlorine Dioxide |
| Datil | 170 | 22 | 0 | |
| Hillsboro | 167 | 29 | 0 | |
| San Ysidro | 166 | 189 | 102 | Barium, Chlorine, Chlorine Dioxide +2 more |
| San Cristobal | 165 | 33 | 0 | |
| Fairacres | 163 | 17 | 0 | |
| Dora | 161 | 15 | 5 | Chlorine Dioxide |
| Placerville | 160 | 55 | 42 | Chlorine Dioxide, Haloacetic Acids |
| Tomball | 156 | 17 | 0 | |
| Canones | 150 | 84 | 16 | Chlorine Dioxide |
| Portland | 150 | 77 | 12 | Chlorine Dioxide |
| Mentmore | 146 | 103 | 31 | Chlorine Dioxide |
| Vallecitos | 144 | 241 | 81 | Bromate, Chlorine Dioxide, E. coli +1 more |
| Prewitt | 135 | 16 | 3 | Chlorine Dioxide, Stage 2 DBP |
| Watrous | 135 | 62 | 4 | Chlorine Dioxide |
| Virden | 133 | 38 | 0 | |
| Ilfeld | 133 | 89 | 19 | Chlorine Dioxide, E. coli |
| Lamy | 132 | 37 | 0 | |
| Grady | 127 | 18 | 5 | Chlorine Dioxide, Stage 2 DBP |
| Vadito | 122 | 69 | 10 | Chlorine Dioxide |
| Floyd | 122 | 47 | 4 | Chlorine Dioxide |
| Rodeo | 118 | 104 | 9 | Chlorine Dioxide, Lead |
| San Mateo | 114 | 93 | 17 | Chlorine Dioxide, E. coli, Stage 2 DBP |
| El Paso | 111 | 96 | 4 | Chlorine Dioxide, Stage 2 DBP |
| Valdez | 100 | 14 | 0 | |
| Rowe | 100 | 31 | 6 | Chlorine Dioxide, Stage 2 DBP |
Data Sources
Drinking water data from the EPA Safe Drinking Water Information System (SDWIS). Only active community water systems (CWS) serving 100+ people are included.