Public water system record
Cole County PWSD 1
Serves an area of Cole County, MO that includes Jefferson City · 16,548 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Cole County PWSD 1 in the last ten years. At least one of these issues remains unresolved.
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
- Cole County PWSD 1 draws water from 8 wells (1 of them for emergency, seasonal or other part-time use).
- Record on file since 1999, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 2 lead and 724 unknown out of 7,128 service lines.
Check whether Cole County PWSD 1 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 |
|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Jul 2, 2025 | Active |
Full record since 1999
EPA's records for Cole County PWSD 1 go back to 1999. Before October 19, 2016 they list 1 health-based violation (1 archived by EPA without a recorded fix) and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 0 |
| 2000s | 0 | 1 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began October 1999, Archived.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1999 | Archived |
Where the water comes from
Cole County PWSD 1 draws water from 8 wells (1 of them for emergency, seasonal or other part-time use). It also has an emergency connection to MO American Jefferson City District.
Emergency or part-time connections to
- MO American Jefferson City District Jefferson City, MO
Annual water quality report
Cole County PWSD 1 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