Water quality in Herculaneum, Missouri
Herculaneum is in Jefferson County. 98 active public water systems serve the county; 70 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 Jefferson County
67 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Herculaneum PWS Herculaneum |
5,000 | 1 | 1.4 mi | |
| Jefferson County Water Authority Festus, Herculaneum |
25 | 0 | 1.4 mi | |
| Festus PWS Festus |
13,000 | 0 | 1.7 mi | |
| Pevely PWS Pevely |
5,600 | 2 | 3.2 mi | |
| Manderly MHP |
100 | 0 | 3.5 mi | |
| Lakeside Manor |
150 | 3 | 4.2 mi | |
| Jefferson County Pwsd 7 |
6,100 | 2 | 5.0 mi | |
| Hunters Glen |
240 | 0 | 5.0 mi | |
| Jefferson County Pwsd 5 |
8,000 | 1 | 7.2 mi | |
| Jefferson County Pwsd 12 |
3,300 | 0 | 8.1 mi | |
| Lake Lorraine Water CO |
230 | 0 | 8.1 mi | |
| Hillsboro PWS Hillsboro |
3,000 | 2 | 8.8 mi | |
| Mackenzie Ridge LLC |
180 | 0 | 9.2 mi | |
| Jefferson CO Cons Pwsd C 1 |
37,000 | 0 | 9.3 mi | |
| Walker Hill MHP |
30 | 2 | 9.7 mi | |
| Jefferson County Pwsd 10 |
10,000 | 1 | 10.3 mi | |
| Jcpsd Summer Set |
1,080 | 1 | 10.4 mi | |
| Desoto PWS Desoto |
6,400 | 0 | 11.1 mi | |
| Raintree Plantation |
2,200 | 1 | 11.6 mi | |
| Briarwood Utilities |
210 | 2 | 11.8 mi | |
| Baisch Nursing Center |
80 | 2 | 12.4 mi | |
| Sycamore Springs |
470 | 1 | 13.0 mi | |
| Valle Acres MHP |
11 | 1 | 13.5 mi | |
| Jefferson County Pwsd 1 |
21,113 | 0 | 13.5 mi | |
| Jefferson CO Pwsd 8 Cedar Hill |
4,733 | 1 | 14.2 mi |
Non-community systems in Jefferson County (30: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Oak Valley Golf Course Resort |
275 | 2 | 0 | |
|
Villa Antonio Winery Hillsboro |
800 | 2 | 0 | |
|
River Cement Company |
145 | 4 | 1 | |
|
Camp Cedarledge |
300 | 1 | 0 | |
|
Wild Sun Winery |
30 | 2 | 1 | |
|
Desoto East Highway Shed |
25 | 4 | 0 | |
|
Pro Stop |
50 | 1 | 0 | |
|
Hillsboro West Highway Shed |
25 | 4 | 0 | |
|
Dollar General #13971 Desoto |
50 | 0 | 0 | |
|
Timber Creek Resort |
200 | 0 | 0 | |
|
Yagnadi LLC |
25 | 2 | 1 | |
|
Dollar General #22226 Ware |
25 | 0 | 0 | |
|
Grandview R 2 School |
800 | 2 | 0 | |
|
Servgas Fast Mart |
500 | 2 | 1 | |
|
Cedar Springs Elementary School |
560 | 2 | 0 | |
|
House Springs Church of Christ |
55 | 0 | 0 | |
|
Our Lady Queen of Peace House Springs |
240 | 1 | 0 | |
|
Cedar Hill #508 |
50 | 2 | 0 | |
|
Sunrise R IX Elementary School |
400 | 1 | 0 | |
|
Friendship Baptist Church Cedar Hill |
100 | 0 | 0 | |
|
ST Martins Ucc Church |
25 | 3 | 0 | |
|
Maple Grove Elementary School |
515 | 2 | 0 | |
|
Teen Challenge of ST Louis |
35 | 2 | 0 | |
|
Dollar General #21963 Dittmer |
25 | 1 | 1 | |
|
Pine Hollow |
25 | 2 | 0 | |
|
Sana Lake Recovery Center |
75 | 0 | 0 | |
|
Sunnyhill Adventures |
100 | 2 | 0 | |
|
Dittmer Bp#24 |
25 | 2 | 1 | |
|
Jan Phillips Learning Center |
25 | 3 | 1 | |
|
Don Robinson State Park |
25 | 0 | 0 |
About this data
Water systems are matched to Jefferson County, nearest to Herculaneum 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 Missouri 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.