County · Illinois
Montgomery County, Illinois: drinking water records
This overview covers 16 ZIP codes and 18 community water systems in Montgomery 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 |
|---|---|---|---|---|---|
| Litchfield IL1350400 | 6,648 | 120 | 0 | 3 | 9.1 ppb |
| Hillsboro IL1350300 | 4,402 | 120 | 0 | 3 | 0 ppb |
| Ej Water-Mcwc IL1350020 | 2,075 | 0 | 0 | 5 | 0 ppb |
| Henderson Pwd IL1350010 | 2,045 | 0 | 0 | 3 | 0 ppb |
| Coffeen IL1350150 | 647 | 0 | 0 | 2 | 0 ppb |
| Fillmore IL1350250 | 313 | 0 | 0 | 1 | 0 ppb |
| Butler IL1350050 | 253 | 0 | 0 | 4 | 0 ppb |
| Waggoner IL1350700 | 186 | 0 | 0 | 1 | 8.9 ppb |
| Nokomis IL1350450 | 2,370 | 0 | 0 | 0 | 0 ppb |
| Raymond IL1350550 | 974 | 0 | 0 | 0 | 0 ppb |
| Ej Water-Witt IL1350850 | 785 | 0 | 0 | 0 | 0 ppb |
| Farmersville IL1350200 | 784 | 0 | 0 | 0 | 0 ppb |
| Taylor Springs IL1350650 | 724 | 0 | 0 | 0 | 0 ppb |
| Schram City IL1350600 | 563 | 0 | 0 | 0 | 0 ppb |
| Irving IL1350350 | 373 | 0 | 0 | 0 | 0 ppb |
| Ej Water-Coalton IL1350100 | 317 | 0 | 0 | 0 | 0 ppb |
| Harvel IL1354500 | 191 | 0 | 0 | 0 | 11 ppb |
| Graham Correctional Site IL1355100 | 2,155 | 0 | 0 | 0 | not reported |
ZIP reports in Montgomery 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: 62091.
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.