Water quality in Colchester, Illinois
Colchester is in McDonough County. 23 active public water systems serve the county; 7 had an EPA violation in the past three years.
Most likely your provider
Other community water systems in McDonough County
13 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| West Prairie Water Co-Op Colchester |
2,395 | 0 | 1.2 mi | |
| Western Illinois University |
8,000 | 1 | 5.3 mi | |
| Macomb Macomb |
15,051 | 3 | 7.8 mi | |
| Kiljordan Meadows Macomb |
282 | 0 | 9.0 mi | |
| Blandinsville Blandinsville |
569 | 0 | 9.7 mi | |
| Sciota Sciota |
180 | 2 | 10.3 mi | |
| Good Hope Good Hope |
536 | 0 | 11.9 mi | |
| Industry Industry |
475 | 2 | 12.8 mi | |
| Bardolph Bardolph |
303 | 1 | 14.0 mi | |
| New Salem Pwd Petersburg |
451 | 0 | 16.6 mi | |
| Bushnell Bushnell |
2,972 | 0 | 18.5 mi | |
| Prairie City Prairie City |
425 | 0 | 23.1 mi | |
| Stratford West Association, Inc. |
44 | 1 | — |
Non-community systems in McDonough County (9: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Victory Baptist Church |
75 | 0 | 0 | |
|
Macomb Municipal Airport |
25 | 0 | 0 | |
|
Walmart Supercenter 0197 |
50 | 0 | 0 | |
|
Bushnell Market |
50 | 0 | 0 | |
|
Walnut GR United Methodist Chu |
50 | 1 | 0 | |
|
Envirofil of Illinois |
31 | 0 | 0 | |
|
Hyvee INC |
25 | 0 | 0 | |
|
Just Chillin Ice and Water |
25 | 0 | 0 | |
|
Midwest Ice LLC |
25 | 0 | 0 |
About this data
Water systems are matched to McDonough County, nearest to Colchester first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility. Distances are measured to the centre of the service area EPA publishes for the system.
Town locations and ZIP code areas come from U.S. Census Bureau 2020 files.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Illinois records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.