Public water system record
Temescal Valley Water District
Serves Temescal Valley, Riverside County, CA · 21,971 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Temescal Valley Water District in the last ten years. At least one of these issues remains unresolved.
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
- Temescal Valley Water District buys its water from Western MWD.
- Most recent formal enforcement: compliance order (no penalty) by California, November 2023.
- Record on file since 1993, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 6,749 service lines.
Check whether Temescal Valley Water District 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 |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2023 |
Active
Enforcement action in place
|
Full record since 1993
EPA's records for Temescal Valley Water District go back to 1993. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 6 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 2 | 2 |
| 2010 to October 18, 2016 | 0 | 3 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began September 2003, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2003 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2002 | Resolved |
Enforcement actions
California regulators took 3 formal enforcement actions against Temescal Valley Water District between 2003 and 2023. The most recent was a compliance order (no penalty) in November 2023.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 8, 2023 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Oct 21, 2003 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Jan 13, 2003 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
Where the water comes from
Temescal Valley Water District buys its water from Western MWD. It lists no wells or intakes of its own. It also has emergency connections to City of Corona and Elsinore Valley MWD. 1 other community water system buys water from Temescal Valley Water District. 2 other public water systems have emergency connections to Temescal Valley Water District.
Buys water from
- Western MWD Riverside, CA
Emergency or part-time connections to
- City of Corona Corona, CA
- Elsinore Valley MWD Lake Elsinore, CA
Community systems that buy water from it
- Glen Eden Sun Club Corona, CA
Annual water quality report
Temescal Valley Water District 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 California.
Certified drinking water labs by state EPA guidance for private wells