Public water system record
Downey - City, Water Dept.
Serves Downey, Los Angeles County, CA · 110,556 people served
Federal records show 1 health-based violation and no monitoring/reporting issues for Downey - City, Water Dept. in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Downey - City, Water Dept. draws water from 20 wells (3 of them for emergency, seasonal or other part-time use).
- Most recent formal enforcement: compliance order (no penalty) by California, September 2018.
- Record on file since 2003, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 23,358 service lines.
Check whether Downey - 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Feb 1, 2018 | Resolved | No |
Full record since 2003
EPA's records for Downey - City, Water Dept. go back to 2003. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 2 | 0 |
| 2010 to October 18, 2016 | 0 | 2 |
| October 19, 2016 to 2019 | 1 | 0 |
Most recent health-based violation before October 19, 2016: Total Coliform, began September 2008, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2003 | Resolved |
Enforcement actions
California regulators took 1 formal enforcement action against Downey - City, Water Dept. in 2018. The most recent was a compliance order (no penalty) in September 2018.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 18, 2018 | California | Compliance order (no penalty) | 1 violation (1 health-based): Revised Total Coliform Rule |
What the violations mean
Revised Total Coliform Rule
1 incidentThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Where the water comes from
Downey - City, Water Dept. draws water from 20 wells (3 of them for emergency, seasonal or other part-time use). It also has an emergency connection to Metropolitan Water Dist. of So. Cal. 2 other public water systems have emergency connections to Downey - City, Water Dept.
Emergency or part-time connections to
- Metropolitan Water Dist. of So. Cal. La Verne, CA
Annual water quality report
Downey - 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