Public water system record
City of Tustin
Serves Tustin and North Tustin, Orange County, CA · 66,600 people served
Federal records show no health-based violations and 2 monitoring/reporting issues for City of Tustin 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
- 2
Key facts
- City of Tustin draws water from 9 wells.
- Record on file since 1979, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 14,136 service lines.
Check whether City of Tustin 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 |
|---|---|---|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2018 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2018 | Resolved |
Full record since 1979
EPA's records for City of Tustin go back to 1979. Before October 19, 2016 they list 3 health-based violations (1 resolved, 2 archived by EPA without a recorded fix) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 1 | 0 |
| 1980s | 1 | 0 |
| 1990s | 1 | 0 |
| 2000s | 0 | 1 |
| 2010 to October 18, 2016 | 0 | 1 |
| October 19, 2016 to 2019 | 0 | 2 |
Most recent health-based violation before October 19, 2016: Nitrate (acute), began August 1998, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate (acute)
Contaminant limit exceeded
|
Aug 15, 1998 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1982 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 30, 1979 | Archived |
Where the water comes from
City of Tustin draws water from 9 wells. It also buys water from East Orange County WD - WZ. It also has emergency connections to Irvine Ranch Water District, City of Santa Ana and Golden State WC - Cowan Heights. 2 other public water systems have emergency connections to City of Tustin.
Buys water from
- East Orange County WD - WZ Orange, CA
Emergency or part-time connections to
- Irvine Ranch Water District Irvine, CA
- City of Santa Ana Santa Ana, CA
- Golden State WC - Cowan Heights Anaheim, CA
Annual water quality report
City of Tustin 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