Public water system record
City of Santa Ana
Serves Santa Ana, Orange County, CA · 310,539 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for City of Santa Ana 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
- 1
Key facts
- City of Santa Ana draws water from 18 wells (4 of them for emergency, seasonal or other part-time use).
- Most recent formal enforcement: compliance order (no penalty) by California, February 2022.
- Record on file since 1993, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 45,753 service lines.
Check whether City of Santa Ana 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
OTHER
|
Oct 1, 2021 | Resolved |
Full record since 1993
EPA's records for City of Santa Ana go back to 1993. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 4 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 2 | 0 |
| 2010 to October 18, 2016 | 0 | 4 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began April 1993, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 1993 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1993 | Resolved |
Enforcement actions
California regulators took 3 formal enforcement actions against City of Santa Ana between 1993 and 2022. The most recent was a compliance order (no penalty) in February 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 10, 2022 | California | Compliance order (no penalty) | 1 violation: Revised Total Coliform Rule |
| Jun 1, 1993 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Feb 22, 1993 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
Where the water comes from
City of Santa Ana draws water from 18 wells (4 of them for emergency, seasonal or other part-time use). It also buys water from Metropolitan Water Dist. of So. Cal. It also has emergency connections to Mesa Water District, City of Fountain Valley and City of Tustin. 3 other public water systems have emergency connections to City of Santa Ana.
Buys water from
- Metropolitan Water Dist. of So. Cal. La Verne, CA
Emergency or part-time connections to
- Mesa Water District Costa Mesa, CA
- City of Fountain Valley Fountain Valley, CA
- City of Tustin Tustin, CA
Annual water quality report
City of Santa Ana 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