Public water system record
Colp
Serves an area of Williamson County, IL that includes Colp · 506 people served
Federal records show 1 health-based violation and 6 monitoring/reporting issues for Colp in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 6
Key facts
- Colp buys its water from Rend Lake Inter-City Water System.
- Most recent formal enforcement: consent decree or court judgment by Illinois, October 2007.
- Record on file since 1977, with 1 health-based violation before October 19, 2016.
Check whether Colp 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Active | No |
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 |
|
Public Notice
OTHER
|
Jul 11, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2023 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2019 | Resolved |
Full record since 1977
EPA's records for Colp go back to 1977. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 5 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 2000s | 1 | 0 |
| 2010 to October 18, 2016 | 0 | 4 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 1 | 5 |
Most recent health-based violation before October 19, 2016: Lead and Copper Rule, began December 2004, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Treatment technique failure
|
Dec 14, 2004 | Resolved |
Enforcement actions
Illinois regulators took 1 formal enforcement action against Colp in 2007. The most recent was a consent decree or court judgment in October 2007.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 15, 2007 | Illinois | Consent decree or court judgment | 1 violation (1 health-based): Lead and Copper Rule |
What the violations mean
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Colp buys its water from Rend Lake Inter-City Water System. It lists no wells or intakes of its own. It also has an emergency connection to Herrin. 1 other community water system buys water from Colp. 1 other public water system has an emergency connection to Colp.
Buys water from
- Rend Lake Inter-City Water System Benton, IL
Emergency or part-time connections to
- Herrin Herrin, IL
Community systems that buy water from it
- Blairsville PWD Hurst, IL
Annual water quality report
Colp 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 Illinois.
Certified drinking water labs by state EPA guidance for private wells