Public water system record
Usmc - Housing Coleville
Serves Coleville, Mono County, CA · 424 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Usmc - Housing Coleville 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
- 1
Key facts
- Usmc - Housing Coleville draws water from 3 wells.
- Most recent formal enforcement: compliance order (no penalty) by California, May 2016.
- Record on file since 1993, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 122 unknown out of 218 service lines.
Check whether Usmc - Housing Coleville 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.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Nitrate
Monitoring and reporting
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Full record since 1993
EPA's records for Usmc - Housing Coleville go back to 1993. Before October 19, 2016 they list no health-based violations and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2010 to October 18, 2016 | 0 | 1 |
| 2020s | 0 | 1 |
Enforcement actions
California regulators took 1 formal enforcement action against Usmc - Housing Coleville in 2016. The most recent was a compliance order (no penalty) in May 2016.
| Date | By | Action | Violations covered |
|---|---|---|---|
| May 13, 2016 | California | Compliance order (no penalty) | 1 violation: Nitrate |
Where the water comes from
Usmc - Housing Coleville draws water from 3 wells.
Annual water quality report
Usmc - Housing Coleville 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 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Usmc - Housing Coleville for a copy.
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 California.
Certified drinking water labs by state EPA guidance for private wells