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 ranks 14th among all U.S. states for total drinking water violations, out of 51 states tracked. The state has 37,115 EPA Safe Drinking Water Act violations on record across 555 water systems serving 220 cities. Of those, 7,761 are health-based violations, meaning a regulated contaminant was measured above the EPA-established safe level. New Mexico's total violation count is roughly in line with the national average. Water systems in New Mexico serve approximately 1,923,604 people. The most frequently cited contaminants in New Mexico violations include Chlorine Dioxide, Stage 2 DBP, Chlorine, TTHM, Total Haloacetic Acids (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 |
Water Quality in Other States
Alabama 13,972 violations Alaska 73,527 violations Arizona 60,414 violations Arkansas 17,031 violations California 39,276 violations Colorado 42,596 violations Connecticut 28,800 violations Delaware 1,242 violations District of Columbia 115 violations Florida 36,335 violations Georgia 32,159 violations Hawaii 182 violations Idaho 26,078 violations Illinois 30,544 violations Indiana 18,261 violations Iowa 9,389 violations Kansas 19,480 violations Kentucky 9,427 violations Louisiana 32,039 violations Maine 6,830 violations Maryland 5,321 violations Massachusetts 10,561 violations Michigan 15,820 violations Minnesota 3,784 violations Mississippi 25,296 violations Missouri 25,377 violations Montana 20,202 violations Nebraska 5,134 violations Nevada 8,167 violations New Hampshire 6,968 violations New Jersey 19,332 violations New York 93,834 violations North Carolina 54,399 violations North Dakota 8,431 violations Ohio 61,604 violations Oklahoma 128,472 violations Oregon 0 violations Pennsylvania 199,265 violations Rhode Island 0 violations South Carolina 13,045 violations South Dakota 19,565 violations Tennessee 20,607 violations Texas 263,180 violations Utah 71,655 violations Vermont 12,362 violations Virginia 15,298 violations Washington 54,459 violations West Virginia 81,622 violations Wisconsin 18,533 violations Wyoming 13,783 violations
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.