County · Illinois
Richland County, Illinois: drinking water records
This overview covers 6 ZIP codes and 11 community water systems in Richland 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 |
|---|---|---|---|---|---|
| West Liberty-Dundas Water District IL1595050 | 563 | 120 | 0 | 1 | 0 ppb |
| Olney IL1590200 | 8,877 | 120 | 0 | 0 | 0 ppb |
| Noble IL1590150 | 805 | 0 | 0 | 1 | 0 ppb |
| Parkersburg IL1590250 | 356 | 0 | 0 | 0 | 1.3 ppb |
| Claremont IL1590100 | 190 | 0 | 0 | 0 | 0 ppb |
| Calhoun IL1590050 | 172 | 0 | 0 | 0 | 0 ppb |
| Whispering Pines Estates MI0040500 | 125 | 0 | 0 | 0 | 1 ppb |
| Three Mile Lake Trailer Park MI0040497 | 112 | 0 | 0 | 0 | 4.4 ppb |
| Applewood MI0040668 | 75 | 0 | 0 | 0 | 0.7 ppb |
| Viking River Mobile Home Park MI0040498 | 55 | 0 | 0 | 0 | 1.6 ppb |
| Shady Brook Mobile Home Park MI0040496 | 50 | 0 | 0 | 0 | 1.2 ppb |
ZIP reports in Richland 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.