Public water system record
Herrin
Serves Herrin and Energy, Williamson County, IL · 12,747 people served
Federal records show no health-based violations and 4 monitoring/reporting issues for Herrin 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
- Herrin buys its water from Rend Lake Inter-City Water System.
- Record on file since 1977, with 0 health-based violations before October 19, 2016.
Check whether Herrin 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 |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2025 | Active |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
Full record since 1977
EPA's records for Herrin go back to 1977. 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 |
|---|---|---|
| 1970s | 0 | 1 |
| 2020s | 0 | 4 |
Where the water comes from
Herrin buys its water from Rend Lake Inter-City Water System. It lists no wells or intakes of its own. It also has emergency connections to Energy, Marion and Colp. 2 other community water systems and 1 smaller public system such as schools, businesses or campgrounds buy water from Herrin. 3 other public water systems have emergency connections to Herrin.
Buys water from
- Rend Lake Inter-City Water System Benton, IL
Community systems that buy water from it
- Crab Orchard Refuge Marion, IL
- Freeman Spur Freeman Spur, IL
Annual water quality report
Herrin 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