County · Illinois
Menard County, Illinois: drinking water records
This overview covers 5 ZIP codes and 7 community water systems in Menard County. It also stands in for 0 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Petersburg IL1290200 | 4,725 | 60 | 0 | 0 | 0 ppb |
| Athens IL1290050 | 4,575 | 60 | 0 | 0 | 0 ppb |
| Menard Rural Water Coop IL1290010 | 753 | 0 | 0 | 3 | 0 ppb |
| Tallula IL1290250 | 868 | 0 | 0 | 0 | 0 ppb |
| Greenview IL1290100 | 858 | 0 | 0 | 0 | 8.8 ppb |
| Oakford IL1290150 | 234 | 0 | 0 | 0 | 0 ppb |
| Old Salem Chautauqua IL1295100 | 128 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Menard County
No ZIP report in this county is published yet.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.