Tapcensus

All water systems in Ohio

4,165 systems

SystemServesStatusRules violated, 3 yrUnresolved
Old Fort High School
Seneca County 		315 0 0
Cincinnati Childrens Hospt Liberty PWS
Butler County 		313 0 0
Grover Hill Elementary School
Paulding County 		312 1 1
Grace Evangelical Church
Franklin County 		311 2 2
Casual Country Campground
Lucas County 		310 1 0
Fayetteville Village PWS
Brown County 		309 3 1
Almost Heaven Ice Cream Hartville PWS
Stark County 		308 0 0
Hebron Dragway Operations LLC Tower
Licking County 		306 0 0
Hope Community Church of the Nazarene
Fairfield County 		305 0 0
Plalan Lake Water Assoc.
Trumbull County 		305 1 1
Southern Perry Co-Hemlock
Perry County 		305 1 1
Shawnee Hills Baptist Church
Greene County 		304 0 0
Trinity Lutheran School-Jenera
Hancock County 		304 0 0
Clark County Lawrenceville PWS
Clark County 		302 1 0
St. Johns Lutheran School
Union County 		302 0 0
Washington Elementary School
Stark County 		302 0 0
Streetsboro KOA
Portage County 		301 2 0
Ashland CO West Holmes Career Center
Ashland County 		300 0 0
Castine Church PWS
Darke County 		300 0 0
Central Christian High School
Wayne County 		300 0 0
Chaparral Family Campground PWS
Mahoning County 		300 1 1
Christ the King Community Church PWS
Knox County 		300 0 0
Circle Restaurant
Portage County 		300 0 0
Clays Park Resort Water Park
Stark County 		300 0 0
Country Pantry INC / Marathon PWS
Mahoning County 		300 3 0
Erwin Brothers Truck Stop PWS
Darke County 		300 0 0
Expressview Comm Water Association
Richland County 		300 0 0
Hebron Dragway Operations LLC Grandstand
Licking County 		300 0 0
Kidron Mennonite Church
Wayne County 		300 0 0
Mohican Wilderness Camp
Knox County 		300 3 2
Mountainview Mobile Village
Logan County 		300 5 0
MT Tabor Church
Logan County 		300 0 0
Neosa Salvation Army Camp
Carroll County 		300 1 0
Oak Park Estates LLC
Wayne County 		300 1 1
Odnr Deer Creek Beach 1
Pickaway County 		300 0 0
Odot Rest Area 3-34 West
Richland County 		300 0 0
Odot Rest Area 4-42 PWS
Ashtabula County 		300 0 0
Odot Rest Area 6-23 PWS
Pickaway County 		300 0 0
Odot Rest Area 6-3
Union County 		300 0 0
Odot Rest Area 6-4
Union County 		300 0 0
Orchard Hill Church
Summit County 		300 0 0
Pymatuning Valley Resort 3 PWS
Ashtabula County 		300 2 0
S and G Store #77 PWS
Seneca County 		300 0 0
Spins Bowl Lanes PWS
Portage County 		300 0 0
Springfield Baptist Church-Community Ctr
Summit County 		300 2 1
ST Hazards Middle Bass Island
Ottawa County 		300 2 0
Thompson Raceway Park PWS
Geauga County 		300 2 2
Triad High School
Champaign County 		300 1 1
Winona Friends Church
Columbiana County 		300 1 0
Lake County Pinecrest Subdistrict
Lake County 		298 1 1
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.