DrinkingWaterCheck

Is LOS ALAMOS MUNICIPAL WATER SYSTEM's water safe to drink?

LOS ALAMOS MUNICIPAL WATER SYSTEM has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 25,000 people through 7,000 service connections.

How this compares nationally

LOS ALAMOS MUNICIPAL WATER SYSTEM has 25 violations on record in total, 1 of them health-based - ranking it 7,724th of 12,903 systems by violation count, the 40th percentile nationally.

How LOS ALAMOS MUNICIPAL WATER SYSTEM compares within NM

LOS ALAMOS MUNICIPAL WATER SYSTEM's 1 health-based violations sit within the NM average of 13.9, across 102 systems statewide. The filter guide explains what a violation like this actually calls for.

Most recent violation on record

The last violation EPA has on record for LOS ALAMOS MUNICIPAL WATER SYSTEM is from 2016-01-02 (health-based: 1993-01-08). Last reported to EPA: 06/16/2026.

What kind of problem, specifically

LOS ALAMOS MUNICIPAL WATER SYSTEM's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:

The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.

What this data is and is not

LOS ALAMOS MUNICIPAL WATER SYSTEM's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. This record - 1 health-based violation on file for LOS ALAMOS MUNICIPAL WATER SYSTEM - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.