Public Notification Rule violations in Illinois
812 active public water systems in Illinois had a Public Notification Rule violation in the past three years, 812 of them still unresolved. What Public Notification Rule is and why it matters.
Systems with a Public Notification Rule violation
Unresolved first, then largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Cicero Cicero · Cook County |
83,000 | 4 | 1 | |
|
Arlington Heights Arlington Heights · Cook County |
73,320 | 3 | 2 | |
|
Glenview Glenview · Cook County |
47,856 | 2 | 0 | |
|
Calumet City Calumet City · Cook County |
37,000 | 4 | 1 | |
|
Lansing Lansing · Cook County |
29,076 | 4 | 3 | |
|
Morton Grove Morton Grove · Cook County |
25,297 | 3 | 2 | |
|
Maywood Maywood · Cook County |
24,090 | 4 | 2 | |
|
South Elgin South Elgin · Kane County |
23,648 | 4 | 2 | |
|
Dolton Dolton · Cook County |
20,510 | 5 | 2 | |
|
Crest Hill Crest Hill · Will County |
20,223 | 10 | 2 | |
|
Bellwood Bellwood · Cook County |
19,156 | 4 | 2 | |
|
Matteson Matteson · Cook County |
18,293 | 5 | 2 | |
|
Macomb Macomb · McDonough County |
15,051 | 3 | 1 | |
|
Richton Park Richton Park · Cook County |
12,504 | 5 | 3 | |
|
Captain James a Lovell Fhcc Lake County |
12,100 | 6 | 2 | |
|
Pingree Grove Hampshire · Kane County |
10,365 | 4 | 1 | |
|
Waterloo Waterloo · Monroe County |
10,190 | 7 | 0 | |
|
Advocate Christ Medical Center Cook County |
10,000 | 5 | 1 | |
|
Osf ST Francis Hospital Peoria County |
10,000 | 4 | 1 | |
|
Winthrop Harbor Winthrop Harbor · Lake County |
6,565 | 4 | 3 | |
|
Northshore University Evanston Cook County |
6,300 | 4 | 1 | |
|
Millstone Pwd Pope County |
5,565 | 5 | 1 | |
|
Robbins Robbins · Cook County |
5,415 | 6 | 3 | |
|
Monee Monee · Will County |
5,148 | 3 | 1 | |
|
Marseilles Marseilles · LaSalle County |
5,061 | 4 | 3 | |
|
Niabi Zoo Rock Island County |
5,000 | 1 | 1 | |
|
U of I Chicago Medical Center Cook County |
5,000 | 4 | 1 | |
|
Round Lake Park Round Lake Park · Lake County |
4,900 | 4 | 1 | |
|
Woodsmoke Ranch LaSalle County |
4,000 | 1 | 1 | |
|
Gillespie Macoupin County |
3,737 | 8 | 3 | |
|
Lutheran General Hospital Cook County |
3,400 | 6 | 1 | |
|
Northshore Univ Glenbrook Cook County |
3,200 | 4 | 1 | |
|
Cat Mossville Peoria County |
3,000 | 1 | 1 | |
|
Dixmoor Dixmoor · Cook County |
2,973 | 5 | 4 | |
|
Menard Correctional Center Randolph County |
2,950 | 4 | 2 | |
|
McLeansboro Mcleansboro · Hamilton County |
2,812 | 5 | 4 | |
|
Highland Park Hospital Lake County |
2,800 | 5 | 2 | |
|
Northshore University Skokie Cook County |
2,500 | 4 | 1 | |
|
Central Stickney SD Cook County |
2,400 | 3 | 0 | |
|
Dawson Dawson · Sangamon County |
2,375 | 5 | 1 | |
|
Lake Barrington Shores Subdivsion Lake Barrington · Lake County |
2,300 | 2 | 0 | |
|
T-L Rural Water District Peoria County |
2,243 | 2 | 0 | |
|
Mount Olive Macoupin County |
2,193 | 6 | 2 | |
|
Rockdale Rockdale · Will County |
2,012 | 5 | 3 | |
|
ST Jacob Saint Jacob · Madison County |
2,008 | 5 | 1 | |
|
Jbs Corporation Cass County |
2,000 | 7 | 1 | |
|
Southeast Joliet SD Joliet · Will County |
2,000 | 8 | 3 | |
|
Phoenix Phoenix · Cook County |
1,994 | 4 | 2 | |
|
Steeleville Steeleville · Randolph County |
1,960 | 5 | 2 | |
|
Ford Heights East Chicago Heights · Cook County |
1,813 | 4 | 3 |
About this data
A system is counted once if any of its violations in the past three years involved Public Notification Rule, including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Public Notification Rule alone.
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.