Public water system record
Sierra Village Mutual Water Co
On record as serving Tuolumne County, CA · Serves 361 people
Federal records show no health-based violations and 1 monitoring/reporting issue for Sierra Village Mutual Water Co 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
- Sierra Village Mutual Water Co draws water from 3 wells (1 of them for emergency, seasonal or other part-time use).
- Most recent formal enforcement: compliance order (no penalty) by California, June 2012.
- Record on file since 1980, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 128 service lines.
Check whether Sierra Village Mutual Water Co 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 |
|---|---|---|
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2025 | Resolved |
Full record since 1980
EPA's records for Sierra Village Mutual Water Co go back to 1980. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 6 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 4 |
| 1990s | 0 | 1 |
| 2000s | 0 | 1 |
| 2010 to October 18, 2016 | 1 | 0 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform (acute), began May 2012, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform (acute)
Contaminant limit exceeded
|
May 1, 2012 | Resolved |
Enforcement actions
California regulators took 1 formal enforcement action against Sierra Village Mutual Water Co in 2012. The most recent was a compliance order (no penalty) in June 2012.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jun 4, 2012 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
Where the water comes from
Sierra Village Mutual Water Co draws water from 3 wells (1 of them for emergency, seasonal or other part-time use). It also has an emergency connection to Mi Wuk Village Mut Wtr Co. 1 other public water system has an emergency connection to Sierra Village Mutual Water Co.
Emergency or part-time connections to
- Mi Wuk Village Mut Wtr Co Mi Wuk Village, CA
Annual water quality report
Sierra Village Mutual Water Co 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 Sierra Village Mutual Water Co 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