Public water system record
Los Alamos Municipal Water System
Serves Los Alamos and White Rock, Los Alamos County, NM · 25,000 people served
Federal records show no health-based violations and no monitoring or reporting issues for Los Alamos Municipal Water System in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Los Alamos Municipal Water System draws water from 11 wells.
- Record on file since 1980, with 1 health-based violation before October 19, 2016.
Check whether Los Alamos Municipal Water System serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016, and no monitoring or reporting violations either.
Full record since 1980
EPA's records for Los Alamos Municipal Water System go back to 1980. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 23 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 2 |
| 1990s | 1 | 0 |
| 2000s | 0 | 6 |
| 2010 to October 18, 2016 | 0 | 15 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 1993, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1993 | Resolved |
Where the water comes from
Los Alamos Municipal Water System draws water from 11 wells.
Annual water quality report
Los Alamos Municipal Water System must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by New Mexico.
Certified drinking water labs by state EPA guidance for private wells