Public water system record
Del Norte Mutual Water Co.
Serves Camarillo and Santa Paula, Ventura County, CA · 215 people served
Federal records show 4 health-based violations and 5 monitoring/reporting issues for Del Norte 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
- 4
- Resolved
- 3
- Unresolved
- 1
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 5
Key facts
- Del Norte Mutual Water Co. draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
- Most recent formal enforcement: compliance order (no penalty) by California, November 2024.
- Record on file since 1980, with 3 health-based violations before October 19, 2016.
Check whether Del Norte 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 |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Jun 1, 2023 | Resolved | Yes |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Aug 1, 2022 | Resolved | Yes |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | May 1, 2022 | Resolved | Yes |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
Full record since 1980
EPA's records for Del Norte Mutual Water Co. go back to 1980. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 7 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 2 |
| 1990s | 3 | 2 |
| 2000s | 0 | 1 |
| 2010 to October 18, 2016 | 0 | 2 |
| 2020s | 4 | 4 |
Most recent health-based violation before October 19, 2016: Nitrate (acute), began October 1999, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1999 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1997 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1996 | Resolved |
Enforcement actions
California regulators took 10 formal enforcement actions against Del Norte Mutual Water Co. between 2000 and 2024. The most recent was a compliance order (no penalty) in November 2024.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 20, 2024 | California | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
| Apr 22, 2024 | California | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
| Feb 28, 2024 | California | Compliance order (no penalty) | 1 violation: Revised Total Coliform Rule |
| Jun 21, 2023 | California | Compliance order (no penalty) | 1 violation (1 health-based): Revised Total Coliform Rule |
| Sep 1, 2022 | California | Compliance order (no penalty) | 1 violation (1 health-based): Revised Total Coliform Rule |
| Jun 7, 2022 | California | Compliance order (no penalty) | 1 violation (1 health-based): Revised Total Coliform Rule |
| Jun 26, 2017 | California | Compliance order (no penalty) | 1 violation: Nitrate |
| Feb 26, 2016 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Jun 22, 2007 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Jan 4, 2000 | California | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate |
What the violations mean
Revised Total Coliform Rule
3 incidentsThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
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
Del Norte Mutual Water Co. draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
Annual water quality report
Del Norte 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 Del Norte 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