Tapcensus

Illinois

Stephenson County drinking water quality

46 active public water systems serve 34,379 people in Stephenson County. 24 are compliant, 22 had at least one EPA violation in the past three years, 0 are designated serious violators, and 1 carries a health flag.

Active systems 46 13 community systems
People served 34K by public water systems
Systems with violations 22 48% of active systems, past 3 years
Serious violators 0 1 systems carry a health flag

Needs attention

Winslow IL1770550 · Winslow · Community water system · Serves 350 4 rules violated in the past three years. Unresolved: Consumer Confidence Rule (CCR), Lead and Copper Rule (LCR), Lead and Copper Rule Revisions (LCRR), and Public Notification Rule.

Community water systems

13 systems, largest first
SystemServesStatusRules violated, 3 yrUnresolved
Freeport
Freeport 		23,930 0 0
Lena
Lena 		2,680 1 1
Pearl City
Pearl City 		790 4 2
Orangeville
Lena 		780 0 0
Cedarville
Cedarville 		663 1 0
IL American-Northern Hill
 600 0 0
Davis
Davis 		589 0 0
Dakota
Dakota 		500 0 0
German Valley
German Valley 		463 0 0
Winslow
Winslow 		350 4 3
Rock City
Rock City 		293 2 0
Timber Ridge Mobile Estates
 150 1 0
Stephenson Mobile Estates
 75 1 0
Non-community systems (33: schools, campgrounds, workplaces, restaurants)

These systems serve places people visit rather than homes.

SystemServesStatusRules violated, 3 yrUnresolved
Titan Tire Coorporation of Freeport
 400 1 0
Freeport P D Oakdale Nature Preserve
 250 0 0
Berner Food and Beverage LLC
 200 1 0
Emerald Acres Campground II North
 200 3 1
IN Grown Farms 2 LLC
 133 3 0
Freeport CC
 115 0 0
Emerald Acres Campground II South
 100 2 0
Lena KOA Office/south Sites
 100 3 1
Route 20 Bar and Grill
 100 0 0
The Ville Golf
 100 0 0
Nuestro Queso Exterior Well
 91 4 1
Nuestro Queso Interior Well
 91 2 0
Cedar Inn
 50 0 0
Core FX Ingredients
 45 1 0
Cub Foods #30914 #1 1-85582lr
 35 0 0
Sullivans (0144139)
 35 0 0
Sullivans (147140)
 35 0 0
The Rafters
 35 0 0
Devansoy INC
 32 1 0
Wayside Saloon
 30 0 0
Ridott Corners Tap
 29 0 0
Wolf Hollow Golf Course
 29 0 0
Big O's on the Hollow
 27 1 0
Cedarville Baptist Church
 27 0 0
Freeport Mennonite Church
 27 0 0
Lake LE Aqua NA ST Park-Big Buck HP
 25 0 0
Lake LE Aqua NA ST Park-Hickory Hill
 25 0 0
Lake LE Aqua NA ST Park-Pine Ridge CG
 25 1 0
Lena KOA Northwest Well
 25 3 1
Lloyd G Smith Plaza
 25 0 0
Lucky Pines Pub House and Game
 25 0 0
Pearl Valley Farms
 25 4 1
South Street Slots
 25 1 0
Inactive systems (437, no longer operating or reporting)

Kept for the record and excluded from the county totals above. Browse inactive systems.

About this data

Totals cover active systems. Systems serving more than one county are counted in each county. EPA counts the rules a system was in violation of, not the individual violations; one rule can carry several.

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.