Public water system record
Big Rock C.S.D.
Serves Hiouchi, Del Norte County, CA · 650 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Big Rock C.S.D. 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
- 1
Key facts
- Big Rock C.S.D. draws water from 1 well.
- Most recent formal enforcement: compliance order (no penalty) by California, February 2021.
- Record on file since 1980, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 107 service lines.
Check whether Big Rock C.S.D. 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, 2019 | Resolved |
Full record since 1980
EPA's records for Big Rock C.S.D. go back to 1980. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 37 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 32 |
| 1990s | 1 | 1 |
| 2000s | 0 | 4 |
| October 19, 2016 to 2019 | 0 | 1 |
Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began June 1993, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
Jun 1, 1993 | Resolved |
Enforcement actions
California regulators took 2 formal enforcement actions against Big Rock C.S.D. between 1994 and 2021. The most recent was a compliance order (no penalty) in February 2021.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 4, 2021 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Jul 11, 1994 | California | Signed compliance agreement | 1 violation (1 health-based): Surface Water Treatment Rule |
Where the water comes from
Big Rock C.S.D. draws water from 1 well.
Annual water quality report
Big Rock C.S.D. 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