Public water system record
Jefferson County PWSD 10
Serves Imperial, Arnold and Kimmswick, Jefferson County, MO · 10,000 people served
Federal records show no health-based violations and 2 monitoring/reporting issues for Jefferson County PWSD 10 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
- Jefferson County PWSD 10 buys its water from MO American St Louis St Charles Counties.
- Lead pipe inventory: 0 lead and 1,670 unknown out of 2,930 service lines.
Check whether Jefferson County PWSD 10 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, 2024 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2024 | Resolved |
Where the water comes from
Jefferson County PWSD 10 buys its water from MO American St Louis St Charles Counties. It lists no wells or intakes of its own. 1 other community water system buys water from Jefferson County PWSD 10.
Buys water from
- MO American St Louis St Charles Counties Chesterfield, MO
Community systems that buy water from it
- Lynn Acres MHP Arnold, MO
Annual water quality report
Jefferson County PWSD 10 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 Missouri.
Certified drinking water labs by state EPA guidance for private wells