All water systems in Ohio
441 systems
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Valley View Lake-Bathhouse Portage County |
50 | 0 | 0 | |
|
Walton Lake Company #2 Crestline · Richland County |
50 | 0 | 0 | |
|
Lakeview Elementary School Summit County |
49 | 0 | 0 | |
|
Yacac Head Start PWS Lake Milton · Mahoning County |
48 | 1 | 1 | |
|
Mgr,lake Greenbriar Steakhouse Tuscarawas County |
46 | 0 | 0 | |
|
Indian Lakes Campground Atwater · Portage County |
45 | 0 | 0 | |
|
Lakeside Terrace Mobile Home P Portage County |
45 | 0 | 0 | |
|
Odnr-Kiser Lake State Park-6 PWS Rosewood · Champaign County |
45 | 0 | 0 | |
|
Plaza Trailer Court Lakemore · Summit County |
45 | 0 | 0 | |
|
VO Ash Lake Prop Assn #2 Carroll County |
45 | 0 | 0 | |
|
Portage Lakes Plaza Summit County |
42 | 0 | 0 | |
|
Forest Lake Recreation Springfield · Clark County |
40 | 0 | 0 | |
|
Grand Lake UM Ch Montezuma Mercer County |
40 | 0 | 0 | |
|
Mgr,atwood Lake Park-Area 3 Tuscarawas County |
40 | 0 | 0 | |
|
Mgr,lake Lodge Nite Jefferson County |
40 | 0 | 0 | |
|
Mgr,tappan Lake Park-No.5 Harrison County |
40 | 0 | 0 | |
|
Midway Marathon PWS Lakeview · Logan County |
40 | 0 | 0 | |
|
Schultz Lake Inc. Portage County |
40 | 0 | 0 | |
|
Supt,lakemont Christ. Academy Rogers · Columbiana County |
40 | 0 | 0 | |
|
Johnston's Lakefront Cottages PWS Middle Bass Island · Ottawa County |
38 | 0 | 0 | |
|
Lakeside Townhomes Buckeye Lake · Licking County |
38 | 0 | 0 | |
|
Usace-Charles Mill Lake Dam PWS Ashland County |
38 | 0 | 0 | |
|
Land O' Lakes/farmland Feed LLC Massillon · Stark County |
37 | 0 | 0 | |
|
Ole Mill Lake County |
36 | 0 | 0 | |
|
Sunny Lake Amish School Ashland · Ashland County |
36 | 0 | 0 | |
|
Buckeye Lake Vol. Fire Dept Licking County |
35 | 0 | 0 | |
|
Flying B Golf Club 15 Lake Salem · Mahoning County |
35 | 0 | 0 | |
|
Hickory Lake Campgrounds Hardin County |
35 | 0 | 0 | |
|
Lake Isabella Hamilton County |
35 | 0 | 0 | |
|
Lakeshore Sportsman Club Lake County |
35 | 0 | 0 | |
|
Mgr,coshocton Lake Park Coshocton County |
35 | 0 | 0 | |
|
Odnr-Harrison Lake ST Pk-South Fayette · Fulton County |
35 | 0 | 0 | |
|
Quail Lakes Lodge Wilmington · Clinton County |
35 | 0 | 0 | |
|
Rei Lakes Baitshop PWS Springfield · Clark County |
35 | 0 | 0 | |
|
Sippo Lake Marina Stark County |
35 | 0 | 0 | |
|
Lakeside Properties MHP Buckeye Lake · Licking County |
34 | 1 | 1 | |
|
Great Lakes Nissan INC Bowling Green · Wood County |
31 | 0 | 0 | |
|
Rogers Lake Cons Campground PWS Wyandot County |
31 | 0 | 0 | |
|
Usace-Pleasant Hill Lake PWS Ashland County |
31 | 0 | 0 | |
|
Cheers Chalet Lakeside PWS County |
30 | 0 | 0 | |
|
Crystal Lake Golf PWS Stark County |
30 | 0 | 0 | |
|
Green Acres Lake Clinton County |
30 | 0 | 0 | |
|
Lake Co.-Hell Hollow PK Painesville · Lake County |
30 | 0 | 0 | |
|
Lake Co.-Hidden Valley Concord · Lake County |
30 | 0 | 0 | |
|
Lake Co.-Indian Point PK Concord · Lake County |
30 | 0 | 0 | |
|
Lake Co.-Riverview Park Concord · Lake County |
30 | 0 | 0 | |
|
Lake Erie Carryout Erie County |
30 | 0 | 0 | |
|
Lake Milton Church of Christ Mahoning County |
30 | 0 | 0 | |
|
Lake Seneca Restaurant Williams County |
30 | 0 | 0 | |
|
Lake Shore Reservation Lake County |
30 | 0 | 0 |
About this data
Rules violated counts the rules a system was in violation of in the past three years, including monitoring and reporting lapses; one rule can carry several violations. Unresolved is the number of those rules currently in violation at EPA's latest data refresh.
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 Ohio 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.