Public water system record
Columbia
Serves Columbia, Monroe County, IL · 11,129 people served
Federal records show no health-based violations and 4 monitoring/reporting issues for Columbia 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
- 4
Key facts
- Columbia buys its water from IL American-East St Louis.
Check whether Columbia 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 |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2019 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2018 | Resolved |
Where the water comes from
Columbia buys its water from IL American-East St Louis. It lists no wells or intakes of its own. It also has emergency connections to Dupo and Cahokia Heights. 1 other community water system and 2 smaller public systems such as schools, businesses or campgrounds buy water from Columbia. 1 other public water system has an emergency connection to Columbia.
Buys water from
- IL American-East St Louis Godfrey, IL
Emergency or part-time connections to
- Dupo Dupo, IL
- Cahokia Heights Cahokia Heights, IL
Community systems that buy water from it
- Prairie Dupont PWD East Carondelet, IL
Annual water quality report
Columbia 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 Illinois.
Certified drinking water labs by state EPA guidance for private wells