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National Drinking Water Database

Lead (total) in New Mexico

Lead is a metal that enters water by corrosion of household plumbing systems, discharge of industrial pollution and erosion of natural deposits. [read more]

The Most Polluted Communities in New Mexico

220 water utilities reported detecting Lead (total) in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Lead (total) level

RankSystem Population Served Positive test results of total reported tests Average Level
1Ramah Water & Sanitation District
Ramah, NM
4501 of 240 ppb
(0 to 80 ppb)
2Morningstar Water Supply System
Farmington, NM
5,1841 of 130 ppb
(30 ppb)
3Penasco Mdwca
Penasco, NM
5131 of 130 ppb
(30 ppb)
4Vista Redonda Mdwca
Tesuque, NM
751 of 114.29 ppb
(14.29 ppb)
5The Riverbend
Ruidoso Downs, NM
1003 of 312.26 ppb
(1.41 to 32.8 ppb)
6Delancy Street Foundation
San Juan Pueblo, NM
1193 of 310.85 ppb
(4 to 15.56 ppb)
7Bonita Park Nazarene Conference Center
Capitan, NM
4002 of 29.61 ppb
(8.19 to 11.03 ppb)
8Hillsboro Mdwca
Hillsboro, NM
1677 of 77.88 ppb
(0.7 to 41.46 ppb)
9Anthony W&sd
Anthony, NM
7,1251 of 17.6 ppb
(7.6 ppb)
10Lone Star Trailer Ranch
Santa Fe, NM
951 of 36.67 ppb
(0 to 20 ppb)

Health Based Limits for Lead (total)

Maximum Contaminant Limit Goal (MCLG)A non-enforceable health goal that is set at a level at which no known or anticipated adverse effect on the health of persons occurs and which allows an adequate margin of safety. Source: U.S. Environmental Protection Agency.0 ppb
California Public Health GoalsDefined by the State of California Office of Environmental Health Hazard Assessment (OEHHA) as the level of contaminant that is allowed in drinking water. For acutely toxic substances, levels are set at which scientific evidence indicates that no known or anticipated adverse effects on health will occur, plus an adequate margin-of safety. PHGs for carcinogens or other substances which can cause chronic disease shall be based solely on health effects without regard to cost impacts and shall be set at levels which OEHHA has determined do not pose any significant risk to health.0.2 ppb

Violation Summary for Lead (total) in New Mexico

Data from the U.S. Environmental Protection Agency includes the following violations of federal standards in New Mexico since 2004

Violation TypeNumber of Violations
Failure to monitor regularly7
Over maximum contaminant level, Average1