Public water system record
Hidden Valley Lake CSD
Serves Hidden Valley Lake, Lake County, CA · 6,235 people served
Federal records show no health-based violations and no monitoring or reporting issues for Hidden Valley Lake CSD 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
- 0
Key facts
- Hidden Valley Lake CSD draws water from 3 wells.
- Most recent formal enforcement: compliance order (no penalty) by California, November 2004.
- Record on file since 2004, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 2,447 service lines.
Check whether Hidden Valley Lake CSD 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, and no monitoring or reporting violations either.
Full record since 2004
EPA's records for Hidden Valley Lake CSD go back to 2004. Before October 19, 2016 they list 1 health-based violation (1 resolved) and no monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 1 | 0 |
Most recent health-based violation before October 19, 2016: Total Coliform, began October 2004, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2004 | Resolved |
Enforcement actions
California regulators took 1 formal enforcement action against Hidden Valley Lake CSD in 2004. The most recent was a compliance order (no penalty) in November 2004.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 18, 2004 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
Where the water comes from
Hidden Valley Lake CSD draws water from 3 wells.
Annual water quality report
Hidden Valley Lake CSD 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