waterbycounty

New Mexico Water Quality

Drinking water data for all 33 counties.

Avg Water Score

97.8

State Grade

A

Counties with Data

32

of 33 total

All New Mexico Counties

CountyWater Score
Chaves County100.0
De Baca County100.0
Los Alamos County100.0
Bernalillo County99.9
Curry County99.9
Eddy County99.8
Quay County99.7
Luna County99.6
Roosevelt County99.6
San Juan County99.6
Lea County99.5
Santa Fe County99.5
Harding County99.4
Lincoln County99.4
Grant County99.3
Sandoval County99.3
Otero County99.1
McKinley County99.0
Valencia County99.0
Cibola County98.8
Socorro County98.8
Taos County98.5
Sierra County97.8
Union County97.7
Guadalupe County96.9
Rio Arriba County95.8
San Miguel County95.5
Torrance County94.6
Mora County93.2
Colfax County92.4
Hidalgo County91.7
Catron County87.3
Doña Ana County—

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Data Source

Water quality data sourced from the EPA Safe Drinking Water Information System (SDWIS) via the ECHO enforcement database. Scores reflect compliance history and health-based violation counts.

Disclaimer: This data is informational only. It is not health, legal, or professional advice. For concerns about your specific water supply, contact your local water utility.

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