Public water system record
Antoinette Mutual Water Co
Serves an area of Tehama County, CA · 25 people served
Federal records show 1 health-based violation and 2 monitoring/reporting issues for Antoinette Mutual Water Co in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 2
Key facts
- Antoinette Mutual Water Co draws water from 1 well.
- Most recent formal enforcement: compliance order (no penalty) by California, January 2016.
- Record on file since 2013, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 12 unknown out of 12 service lines.
Check whether Antoinette Mutual Water Co 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 |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Active | No |
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, 2025 | Active |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Active |
Full record since 2013
EPA's records for Antoinette Mutual Water Co go back to 2013. Before October 19, 2016 they list no health-based violations and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2010 to October 18, 2016 | 0 | 3 |
| 2020s | 1 | 2 |
Enforcement actions
California regulators took 1 formal enforcement action against Antoinette Mutual Water Co in 2016. The most recent was a compliance order (no penalty) in January 2016.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jan 1, 2016 | California | Compliance order (no penalty) | 2 violations: Lead and Copper Rule, Total Coliform |
What the violations mean
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Antoinette Mutual Water Co draws water from 1 well.
Annual water quality report
Antoinette Mutual Water Co 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 Antoinette Mutual Water Co 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