County · Illinois
Peoria County, Illinois: drinking water records
This overview covers 25 ZIP codes and 20 community water systems in Peoria County. It also stands in for 1 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 |
|---|---|---|---|---|---|
| Pleasant Valley Pwd IL1435470 | 3,783 | 180 | 3 | 1 | 0 ppb |
| Il American-Peoria IL1435030 | 137,575 | 300 | 5 | 0 | 9 ppb |
| Chillicothe IL1430200 | 6,660 | 420 | 3 | 0 | 1.8 ppb |
| Peoria Heights IL1434750 | 5,908 | 60 | 5 | 0 | 4.3 ppb |
| T-L Rural Water District IL1430030 | 2,243 | 0 | 0 | 1 | 0 ppb |
| Limestone-Walters Pwd IL1430020 | 2,023 | 0 | 0 | 1 | 1.2 ppb |
| Mapleton IL1430500 | 261 | 0 | 0 | 1 | 0 ppb |
| Elmwood IL1430300 | 2,058 | 0 | 0 | 0 | 1.8 ppb |
| Princeville IL1430750 | 1,901 | 0 | 0 | 0 | 0.8 ppb |
| Dunlap IL1430250 | 1,603 | 0 | 0 | 0 | 2.3 ppb |
| Hanna City IL1430400 | 1,253 | 0 | 0 | 0 | 1.6 ppb |
| Il American-Glasford IL1430350 | 1,193 | 0 | 0 | 0 | 0 ppb |
| Brimfield IL1430150 | 856 | 0 | 0 | 0 | 1.3 ppb |
| Kingston Mines IL1430450 | 259 | 0 | 0 | 0 | 0.6 ppb |
| Fox Creek Farms Water Company IL1435750 | 203 | 0 | 0 | 0 | 1.8 ppb |
| Fawn Hills Subdivision IL1435170 | 183 | 0 | 0 | 0 | 0.6 ppb |
| Edelstein Water Coop IL1435150 | 113 | 0 | 0 | 0 | 1 ppb |
| Jubilee Water Company, INC. IL1435220 | 72 | 0 | 0 | 0 | 1 ppb |
| Santa Fe Estates Water Association IL1435490 | 68 | 0 | 0 | 0 | 0 ppb |
| Buffalo Hollow Farms Water Assoc IL1430080 | 45 | 0 | 0 | 0 | 3.8 ppb |
ZIP reports in Peoria County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 61451.
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.