Public water system record
Cerritos - City, Water Dept.
Serves Cerritos, Los Angeles County, CA · 47,475 people served
Federal records show no health-based violations and 2 monitoring/reporting issues for Cerritos - City, Water Dept. in the last ten years. At least one of these issues remains unresolved.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 2
Key facts
- Cerritos - City, Water Dept. draws water from 3 wells.
- Most recent formal enforcement: compliance order (no penalty) by California, December 2025.
- Lead pipe inventory: 0 lead and 0 unknown out of 15,664 service lines.
Check whether Cerritos - City, Water Dept. 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
|
Dec 17, 2025 |
Active
Enforcement action in place
|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2025 | Active |
Enforcement actions
California regulators took 1 formal enforcement action against Cerritos - City, Water Dept. in 2025. The most recent was a compliance order (no penalty) in December 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Dec 17, 2025 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
Where the water comes from
Cerritos - City, Water Dept. draws water from 3 wells. It also buys water from Metropolitan Water Dist. of So. Cal. 2 other community water systems buy water from Cerritos - City, Water Dept. 1 other public water system has an emergency connection to Cerritos - City, Water Dept.
Buys water from
- Metropolitan Water Dist. of So. Cal. La Verne, CA
Community systems that buy water from it
- GSWC - Artesia Anaheim, CA
- Norwalk - City, Water Dept. Norwalk, CA
Annual water quality report
Cerritos - City, Water Dept. 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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