Water quality in Highland Park, Illinois
Highland Park is in Lake County. 535 active public water systems serve the county; 213 had an EPA violation in the past three years.
Most likely your provider
Your location is within the outer bounds of this system's EPA service area.
Other community water systems in Lake County
102 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Highwood Highwood |
5,335 | 1 | 1.6 mi | |
| Deerfield Deerfield |
19,196 | 3 | 2.4 mi | |
| Bannockburn Bannockburn |
1,013 | 0 | 3.1 mi | |
| Riverwoods Riverwoods |
3,618 | 1 | 4.4 mi | |
| Lake Forest Lake Forest |
19,642 | 1 | 4.5 mi | |
| Lincolnshire Lincolnshire |
7,940 | 1 | 5.8 mi | |
| Elm Oak Mutual Water System |
50 | 1 | 6.0 mi | |
| Lcpw Pekara Subdivision |
3,711 | 0 | 6.2 mi | |
| Lake Bluff Lake Bluff |
5,600 | 2 | 7.2 mi | |
| Central Lake County Jawa Lake Bluff |
0 | 0 | 7.3 mi | |
| Lake Bluff Estates MHP Lake Bluff |
165 | 1 | 7.7 mi | |
| Lake Co. PW Arden Shores Estates |
105 | 0 | 8.1 mi | |
| Ciel Senior Living Vernon Hills |
225 | 1 | 8.5 mi | |
| Vernon Hills Lake CO PW Vernon Hills |
33,207 | 1 | 8.8 mi | |
| Briarcrest Sbdv Homeowners Association |
207 | 2 | 8.8 mi | |
| Promontory Pointe Homeowners Association Long Grove |
78 | 2 | 9.1 mi | |
| Whispering Lakes Water System, Inc. |
375 | 1 | 9.2 mi | |
| Heiden Gardens Condos |
217 | 1 | 9.3 mi | |
| North Chicago North Chicago |
16,813 | 4 | 9.5 mi | |
| Great Lakes Naval Training Station North Chicago |
23,000 | 0 | 9.6 mi | |
| Green Oaks Green Oaks |
1,470 | 3 | 9.8 mi | |
| Aqua Illinois-Ravenna |
267 | 1 | 10.2 mi | |
| Fields of Long Grove |
267 | 1 | 10.2 mi | |
| Alden Long Grove Nursing Center Long Grove |
218 | 0 | 10.3 mi | |
| The Preserve at Long Grove Long Grove |
204 | 5 | 10.3 mi |
Non-community systems in Lake County (432: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
About this data
Water systems are matched to Lake County, nearest to Highland Park 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 or, for systems without one, to the centre of the first town EPA lists the system as serving, from Census Bureau place files.
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.