County · Illinois
Tazewell County, Illinois: drinking water records
This overview covers 16 ZIP codes and 29 community water systems in Tazewell 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 |
|---|---|---|---|---|---|
| North Tazewell Pwd IL1795780 | 7,625 | 60 | 0 | 7 | 5.1 ppb |
| Il American-Pekin IL1795040 | 31,731 | 420 | 7 | 0 | 1 ppb |
| East Peoria IL1790200 | 22,284 | 360 | 4 | 0 | 8 ppb |
| Morton IL1790500 | 17,111 | 180 | 0 | 0 | 1.8 ppb |
| Washington IL1790750 | 14,793 | 120 | 0 | 0 | 0 ppb |
| Creve Coeur IL1790100 | 4,934 | 60 | 0 | 0 | 4 ppb |
| Mackinaw IL1790350 | 3,399 | 60 | 0 | 0 | 0 ppb |
| Lake Windermere Estates Subdivision IL1795730 | 300 | 120 | 0 | 0 | 2.7 ppb |
| Harvard Hills Water Corporation IL1795450 | 215 | 0 | 0 | 2 | 3.5 ppb |
| Marquette Heights IL1790400 | 2,974 | 0 | 0 | 0 | 1.0 ppb |
| Groveland Township Water District IL1795200 | 2,185 | 0 | 0 | 0 | 5.2 ppb |
| Tremont IL1790700 | 2,114 | 0 | 0 | 0 | 2.5 ppb |
| Delavan IL1790150 | 1,743 | 0 | 0 | 0 | 1 ppb |
| Pekin Fed Correctional Inst and Prsncmp IL1790030 | 1,635 | 0 | 0 | 0 | 0 ppb |
| North Pekin IL1790550 | 1,478 | 0 | 0 | 0 | 0 ppb |
| Minier IL1790450 | 1,180 | 0 | 0 | 0 | 0 ppb |
| Il American-Washington Estates IL1797050 | 1,143 | 0 | 0 | 0 | 0 ppb |
| South Pekin IL1790650 | 996 | 0 | 0 | 0 | 0 ppb |
| Hopedale IL1790300 | 830 | 0 | 0 | 0 | 5.7 ppb |
| Deer Creek IL1794320 | 647 | 0 | 0 | 0 | 0 ppb |
| Green Valley IL1790250 | 638 | 0 | 0 | 0 | 2.6 ppb |
| Armington IL1790050 | 310 | 0 | 0 | 0 | 2.1 ppb |
| Uaw Senior Citizens Center IL1795030 | 240 | 0 | 0 | 1 | not reported |
| Venado Lakes-Argyll Water Association IL1795050 | 215 | 0 | 0 | 0 | 0 ppb |
| Oak Lane Acres Subdivision IL1795800 | 120 | 0 | 0 | 0 | 0.7 ppb |
ZIP reports in Tazewell 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.