Public water system record
Palomar Mountain Mutual Water Co.
Serves an area of San Diego County, CA · 193 people served
Federal records show no health-based violations and 5 monitoring/reporting issues for Palomar Mountain Mutual Water Co. 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
- 5
Key facts
- Palomar Mountain Mutual Water Co. draws water from 2 wells.
- Most recent formal enforcement: compliance order (no penalty) by California, December 2023.
- Record on file since 1980, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 195 service lines.
Check whether Palomar Mountain 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2023 | Resolved |
|
Revised Total Coliform Rule
OTHER
|
Nov 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2022 | Resolved |
Full record since 1980
EPA's records for Palomar Mountain Mutual Water Co. go back to 1980. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 12 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 9 |
| 1990s | 0 | 1 |
| 2000s | 1 | 2 |
| 2010 to October 18, 2016 | 2 | 0 |
| 2020s | 0 | 5 |
Most recent health-based violation before October 19, 2016: Total Coliform, began July 2010, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2005 | Resolved |
Enforcement actions
California regulators took 5 formal enforcement actions against Palomar Mountain Mutual Water Co. and issued 1 boil water order between 2005 and 2023. The most recent was a compliance order (no penalty) in December 2023.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Dec 5, 2023 | California | Compliance order (no penalty) | 3 violations: Revised Total Coliform Rule |
| Aug 5, 2010 | California | Boil water order | 1 violation (1 health-based): Total Coliform |
| Jul 9, 2010 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Aug 15, 2005 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| May 16, 2005 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Apr 7, 2005 | California | Compliance order (no penalty) | 1 violation: Nitrate-Nitrite |
Where the water comes from
Palomar Mountain Mutual Water Co. draws water from 2 wells.
Annual water quality report
Palomar Mountain 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 Palomar Mountain 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