C

Fair — Average Score 68/100

Water Quality in New Mexico

291 ZIP codes analyzed · Data updated March 2026

State Overview

About Water Quality in New Mexico

Water quality across New Mexico receives an overall grade of C (Fair) with an average score of 68 out of 100, based on EPA compliance data from 291 ZIP codes statewide. This is 7 points below the national average of 75, suggesting significant water quality challenges that affect residents statewide. Approximately 27% of ZIP codes (78 areas) receive a D or F grade, indicating communities with notable water quality concerns that warrant attention. The lowest-scoring area is ZIP code 87059 (Tijeras) with a score of 25/100. Scores are calculated from EPA Safe Drinking Water Information System (SDWIS) violation records, lead and copper testing results, PFAS monitoring data from UCMR5, and enforcement actions over the past 5 years.

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