Public water system record
Moro Cojo Mwa
Serves Prunedale, Monterey County, CA · 67 people served
Federal records show 1 health-based violation and 2 monitoring/reporting issues for Moro Cojo Mwa 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
- Moro Cojo Mwa draws water from 3 wells.
- Most recent formal enforcement: compliance order (no penalty) by EPA, January 2026.
- Record on file since 1980, with 10 health-based violations before October 19, 2016.
Check whether Moro Cojo Mwa 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
Enforcement action in place
|
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 REVISIONS
RPT
|
Oct 17, 2024 |
Active
Enforcement action in place
|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
Full record since 1980
EPA's records for Moro Cojo Mwa go back to 1980. Before October 19, 2016 they list 10 health-based violations (5 resolved, 5 archived by EPA without a recorded fix) and 18 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 3 | 3 |
| 1990s | 0 | 3 |
| 2000s | 7 | 10 |
| 2010 to October 18, 2016 | 0 | 2 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 1 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began April 2008, Resolved.
Show all 10 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2008 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Mar 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2004 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2003 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 2003 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Sep 15, 1985 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Nov 1, 1983 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jun 1, 1981 | Archived |
Enforcement actions
California regulators and EPA took 3 formal enforcement actions against Moro Cojo Mwa and issued 1 boil water order between 2013 and 2026, filed as 6 records in EPA's data. The most recent was a compliance order (no penalty) in January 2026.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jan 22, 2026 | EPA | Compliance order (no penalty) | 2 violations (1 health-based): LEAD AND COPPER RULE REVISIONS |
| Feb 5, 2015 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Feb 5, 2015 | California | Boil water order | 3 violations (2 health-based): Total Coliform, Nitrate |
| Feb 12, 2013 | California | Compliance order (no penalty) | 3 violations: Nitrate |
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
Moro Cojo Mwa draws water from 3 wells.
Annual water quality report
Moro Cojo Mwa 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 Moro Cojo Mwa 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