Public water system record
San Joaquin County - Colonial Heights
Serves an area of San Joaquin County, CA · 1,841 people served
Federal records show no health-based violations and no monitoring or reporting issues for San Joaquin County - Colonial Heights 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
- 0
Key facts
- San Joaquin County - Colonial Heights buys its water from Stockton East Water District.
- Record on file since 1993, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 561 service lines.
Check whether San Joaquin County - Colonial Heights 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, and no monitoring or reporting violations either.
Full record since 1993
EPA's records for San Joaquin County - Colonial Heights go back to 1993. Before October 19, 2016 they list no health-based violations and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
Where the water comes from
San Joaquin County - Colonial Heights buys its water from Stockton East Water District. It lists no wells or intakes of its own.
Buys water from
- Stockton East Water District Stockton, CA
Annual water quality report
San Joaquin County - Colonial Heights 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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