Public water system record
Mono Vista Ranch MHP
Serves Soulsbyville, Tuolumne County, CA · 105 people served
Federal records show no health-based violations and 2 monitoring/reporting issues for Mono Vista Ranch MHP 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
- 2
Key facts
- Mono Vista Ranch MHP draws water from 1 well.
- Most recent formal enforcement: compliance order (no penalty) by California, February 2025.
- Record on file since 1980, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 30 service lines.
Check whether Mono Vista Ranch MHP 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, 2024 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
Full record since 1980
EPA's records for Mono Vista Ranch MHP go back to 1980. Before October 19, 2016 they list no health-based violations and 6 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 4 |
| 1990s | 0 | 1 |
| 2000s | 0 | 1 |
| 2020s | 0 | 2 |
Enforcement actions
California regulators took 2 formal enforcement actions against Mono Vista Ranch MHP between 2024 and 2025. The most recent was a compliance order (no penalty) in February 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 6, 2025 | California | Compliance order (no penalty) | 1 violation: Nitrate |
| Jun 25, 2024 | California | Compliance order (no penalty) | 1 violation: Revised Total Coliform Rule |
Where the water comes from
Mono Vista Ranch MHP draws water from 1 well.
Annual water quality report
Mono Vista Ranch MHP 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 Mono Vista Ranch MHP 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