Public water system record
Thomas Mountain Water Company
Serves an area of Riverside County, CA · 157 people served
Federal records show 1 health-based violation and 1 monitoring/reporting issue for Thomas Mountain Water Company in the last ten years, including an unresolved Revised Total Coliform Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Thomas Mountain Water Company draws water from 1 well.
- Most recent formal enforcement: compliance order (no penalty) by California, October 2006.
- Record on file since 1980, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 56 unknown out of 56 service lines.
Check whether Thomas Mountain Water Company 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Oct 23, 2022 | Active | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Nitrate
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
Full record since 1980
EPA's records for Thomas Mountain Water Company go back to 1980. Before October 19, 2016 they list no health-based violations and 30 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 21 |
| 1990s | 0 | 1 |
| 2000s | 0 | 8 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 1 | 0 |
Enforcement actions
California regulators took 1 formal enforcement action against Thomas Mountain Water Company in 2006. The most recent was a compliance order (no penalty) in October 2006.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 5, 2006 | California | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
What the violations mean
Revised Total Coliform Rule
1 incidentThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Where the water comes from
Thomas Mountain Water Company draws water from 1 well.
Annual water quality report
Thomas Mountain Water Company 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 Thomas Mountain Water Company 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