Nitrate violations in Ohio
158 active public water systems in Ohio had a Nitrate violation in the past three years, 6 of them in the latest quarter of EPA's data. What Nitrate is and why it matters.
Systems with a Nitrate violation
Latest quarter first, then largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Black Iron Grille PWS Portage County |
144 | 3 | 1 | |
|
St. Luke Lutheran Community Portage la Summit County |
143 | 2 | 1 | |
|
Camp Wyandot-Pool PWS Hocking County |
140 | 2 | 0 | |
|
Quality Inn -S. Arlington Summit County |
132 | 3 | 1 | |
|
Bethel Community Church of the Nazarene Clark County |
130 | 2 | 1 | |
|
Huntsburg Baptist Church Geauga County |
130 | 3 | 1 | |
|
Orient Marathon PWS Franklin County |
130 | 3 | 1 | |
|
Walnut Grove Campground NO 2 Seneca County |
124 | 3 | 1 | |
|
Blue Bell Beach PWS Hamilton County |
123 | 4 | 0 | |
|
Wagon Wheel Mobile Home Pickaway County |
118 | 3 | 0 | |
|
Buoys Bar & Grill Mercer County |
116 | 3 | 1 | |
|
The Keg Ottawa County |
115 | 2 | 1 | |
|
Camp Wyandot-Lodge PWS Hocking County |
114 | 4 | 0 | |
|
Calvary United Baptist Church PWS Shelby County |
110 | 2 | 1 | |
|
Crosswinds Golf Club Wood County |
105 | 2 | 1 | |
|
Hillside Park-1 Summit County |
105 | 3 | 1 | |
|
Sabina Road Marathon Fayette County |
105 | 3 | 1 | |
|
Hanover Sunoco Licking County |
103 | 3 | 1 | |
|
Boulder Creek Golf Club PWS Portage County |
101 | 4 | 1 | |
|
Buckeye Beach Park, LLC Fairfield County |
100 | 4 | 2 | |
|
Cactus Flats Campground Sandusky County |
100 | 3 | 0 | |
|
Church of Troy Geauga County |
100 | 3 | 1 | |
|
Clearview Golf Course Stark County |
100 | 4 | 2 | |
|
Cookies Market Warren County |
100 | 2 | 1 | |
|
E-Check Auburn Road Geauga County |
100 | 1 | 0 | |
|
Fresh Food Deli Summit County |
100 | 3 | 1 | |
|
Jeffco Lakes Campground Ashtabula County |
100 | 2 | 1 | |
|
Kruger Plaza PWS Summit County |
100 | 4 | 2 | |
|
Lake Logan KOA Campground Hocking County |
100 | 3 | 1 | |
|
Orr Valley Creamery Wayne County |
100 | 4 | 0 | |
|
Silver Cricket PWS Summit County |
100 | 3 | 1 | |
|
Terrace Lakes Camping Columbiana County |
100 | 3 | 1 | |
|
The Corn Crib Coshocton County |
100 | 3 | 1 | |
|
Thompson Center Market PWS Geauga County |
100 | 3 | 1 | |
|
Walnut Grove Campground NO 3 Seneca County |
91 | 3 | 0 | |
|
Wildfire Golf Club Muskingum County |
90 | 3 | 0 | |
|
Dfc Mobile Home Park Ashtabula County |
85 | 4 | 2 | |
|
The Oaks Golf Club Allen County |
85 | 2 | 0 | |
|
Countryside Campground Portage County |
80 | 1 | 0 | |
|
Crown Hill Mennonite Church Wayne County |
80 | 3 | 0 | |
|
End Zone Bar and Grill PWS Ashland County |
80 | 3 | 1 | |
|
Maranatha Bible Church Perry County |
80 | 3 | 1 | |
|
Wooded Acres Campground Sandusky County |
80 | 3 | 2 | |
|
Sugar Creek Golf Club Ottawa County |
78 | 2 | 0 | |
|
Streter's Chatt Bar Mercer County |
76 | 3 | 1 | |
|
Haitian Ministries Eglise Des Sanctifies Clark County |
75 | 2 | 1 | |
|
Hocking Hills Winery Hocking County |
75 | 3 | 1 | |
|
Vandalia Cong Jehovah Witnesses PWS Montgomery County |
75 | 2 | 1 | |
|
American Legion Post 715 Fort Jennings Putnam County |
70 | 1 | 0 | |
|
Huffys Bar and Grille Tuscarawas County |
66 | 1 | 0 |
About this data
A system is counted once if any of its violations in the past three years involved Nitrate, including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Nitrate 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 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.