A

Lower record-based concern — Population-weighted indicator 96/100

New Mexico Drinking Water Quality Reports by ZIP Code

108 ZIP codes analyzed · Median 77 · Unweighted mean 77 · SDWIS 2026-07-21 · UCMR5 August 2026

State Overview

What the New Mexico water quality reports include

Water quality across New Mexico receives an record-only indicator of A (Lower record-based concern) with an average score of 96 out of 100, based on EPA compliance data from 108 ZIP codes statewide. A majority of ZIP codes (52%) earn an A grade, within this record-based model; this does not establish tap-water safety. The lowest-scoring area is ZIP code 87002 (Belen) with a score of 45/100. 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.

Choose a ZIP code below to review the public water systems associated with that area, five-year SDWIS violation history, available lead and copper results, UCMR5 PFAS occurrence records, enforcement actions and the limits of the geographic mapping. These reports describe public records, not the condition of water at an individual tap.

Search ZIP Code in New Mexico