Public water system record
Chiriaco Summit Water Dist.
Serves an area of Riverside County, CA · 544 people served
Federal records show no health-based violations and 2 monitoring/reporting issues for Chiriaco Summit Water Dist. 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
- Chiriaco Summit Water Dist. buys its water from Metropolitan Water Dist. of So. Cal.
- Most recent formal enforcement: compliance order (no penalty) by California, February 2003.
- Record on file since 1980, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 39 service lines.
Check whether Chiriaco Summit Water Dist. 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 |
|---|---|---|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
Full record since 1980
EPA's records for Chiriaco Summit Water Dist. go back to 1980. Before October 19, 2016 they list 3 health-based violations (1 resolved, 2 archived by EPA without a recorded fix) and 17 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 2 | 8 |
| 1990s | 1 | 1 |
| 2000s | 0 | 7 |
| 2010 to October 18, 2016 | 0 | 1 |
| 2020s | 0 | 2 |
Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began January 1991, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 1991 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Mar 22, 1982 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Jan 5, 1982 | Archived |
Enforcement actions
California regulators took 1 formal enforcement action against Chiriaco Summit Water Dist. in 2003, filed as 2 records in EPA's data. The most recent was a compliance order (no penalty) in February 2003.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 5, 2003 | California | Compliance order (no penalty) | 2 violations (2 health-based): Surface Water Treatment Rule |
Where the water comes from
Chiriaco Summit Water Dist. buys its water from Metropolitan Water Dist. of So. Cal. It lists no wells or intakes of its own.
Buys water from
- Metropolitan Water Dist. of So. Cal. La Verne, CA
Annual water quality report
Chiriaco Summit Water Dist. 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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