County · Illinois
Hardin County, Illinois: drinking water records
This overview covers 3 ZIP codes and 7 community water systems in Hardin 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 |
|---|---|---|---|---|---|
| Il American-Rosiclare IL0690160 | 1,387 | 0 | 0 | 1 | 1 ppb |
| Il American-Hardin County IL0690020 | 1,373 | 0 | 0 | 0 | 1 ppb |
| Hardin County Water District No.1 IL0695000 | 843 | 0 | 0 | 0 | 0 ppb |
| Grand Island Resort MHP (2 Wps) FL3350172 | 480 | 0 | 0 | 0 | 1.4 ppb |
| Ridgecrest Resort Community FL3351335 | 476 | 0 | 0 | 0 | 1.8 ppb |
| Cave-In-Rock IL0690050 | 228 | 0 | 0 | 0 | 0 ppb |
| Elizabethtown IL0690100 | 220 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Hardin 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.