Public Water Systems
4,181 active public water systems in OH, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
| BRADLEYS OF STERLING | STERLING, OH | 100 | 18 | — |
| CALVARY ASSEMBLY OF GOD CHURCH | ORRVILLE, OH | 100 | 456 | — |
| ORRVILLE GRACE BRETHREN CHURCH | ORRVILLE, OH | 100 | 15 | — |
| WOOSTER MOTOR WAYS INC. | WOOSTER, OH | 100 | 20 | — |
| ORR VALLEY CREAMERY | ORRVILLE, OH | 100 | 39 | — |
| RAYCO MANUFACTURING, LLC - BUILDING 2 PW | WOOSTER, OH | 100 | 31 | — |
| GEYERS CHAPEL ARTESIAN WELL PWS | WOOSTER, OH | 100 | 8 | — |
| D AND L TOWN AND COUNTRY | ALVORDTON, OH | 100 | 4 | — |
| ST JOHNS HILLTOP PRESCHOOL | STONY RIDGE, OH | 100 | 52 | — |
| LEESVILLE LAND LLC | HOPEDALE, OH | 99 | 0 | — |
| CONCORD CARE CENTER OF HARTFORD | FOWLER, OH | 99 | 209 | — |
| GAME TIME SPORTS CENTER | URBANA, OH | 98 | 37 | — |
| HONEY RUN CHRISTIAN SCHOOL PWS | KILLBUCK, OH | 98 | 4 | — |
| WIERS FARM AMLC #03 (03/04 B) PWS | WILLARD, OH | 98 | 27 | — |
| TAMMIS MOBILE VILLAGE LTD. PWS | SCOTT, OH | 98 | 416 | — |
| SOUTHERN PERRY CO-IRISH RIDGE | CORNING, OH | 98 | 17 | — |
| TELESIS TECHNOLOGIES INC | CIRCLEVILLE, OH | 98 | 127 | — |
| TRICOR METALS | WOOSTER, OH | 98 | 124 | — |
| CAMP BETHANY - BATHHOUSE | ASHLAND, OH | 96 | 50 | — |
| SPRING VALLEY MHP | SOUTH SOLON, OH | 96 | 268 | — |
| BULLDOG'S BAR AND GRILL | YOUNGSTOWN, OH | 96 | 62 | — |
| FOUNDATIONS | NEW PARIS, OH | 96 | 216 | — |
| EDGEWOOD ESTATES | STRONGSVILLE, OH | 96 | 2 | — |
| WOLF CREEK WINERY | NORTON, OH | 96 | 29 | — |
| BLUE ROOM TAVERN | KIRBY, OH | 96 | 110 | — |
| THIEMAN QUALITY METAL FAB COMPANY | NEW BREMEN, OH | 95 | 60 | — |
| HILTON CAPITAL GROUP PWS | CINCINNATI, OH | 95 | 3 | — |
| SPREAD EAGLE TAVERN | HANOVERTON, OH | 95 | 61 | — |
| REITHOFFER GALLERY | CHAGRIN FALLS, OH | 95 | 0 | — |
| COBLE VILLAGE MHP | BETHLEHEM, OH | 95 | 219 | — |
| CAMP OBANNON | NEWARK, OH | 95 | 84 | — |
| HIGHWATER UNITED CH. OF CHRIST PWS | NEWARK, OH | 95 | 33 | — |
| OAK OPENINGS - EVERGREEN LAKE | TOLEDO, OH | 95 | 37 | — |
| OAK OPENINGS - SPRINGBROOK AREA | TOLEDO, OH | 95 | 41 | — |
| COOPER FARMS CENTRAL EGG PROCESSING | COLDWATER, OH | 95 | 64 | — |
| OLDE ENGLISH OUTFITTERS | TIPP CITY, OH | 95 | 0 | — |
| DAYTON VA BLDG 320 POD A | DAYTON, OH | 95 | 15 | — |
| DAYSPRING ASSISTED LIVING AND CARE | MANSFIELD, OH | 95 | 107 | — |
| HANLEY VILLAGE WATER ASSOCIATION | MANSFIELD, OH | 95 | 68 | — |
| CAMP OTYOKWAH | BUTLER, OH | 95 | 8 | — |
| THE PAVILION AT CANAL FULTON | CANAL FULTON, OH | 95 | 223 | — |
| LOUISVILLE MOBILE HOME PARK | HUDSON, OH | 95 | 192 | — |
| MEADOWS RESTAURANT | SPRINGFIELD, OH | 94 | 75 | — |
| SPRINGFIELD ANTIQUE CENTER | SPRINGFIELD, OH | 94 | 61 | — |
| OAKLAND CHURCH OF THE BRETHREN | GETTYSBURG, OH | 94 | 52 | — |
| COMPANY WRENCH PWS | CARROLL, OH | 94 | 8 | — |
| HUNTSBURG COMMUNITY CENTER | HUNTSBURG, OH | 94 | 219 | — |
| CLEARFORK CAMPGROUND | MANSFIELD, OH | 94 | 20 | — |
| ROHRER HAYESVILLE | WADSWORTH, OH | 93 | 17 | — |
| ROUND LAKE CHRISTIAN ASSEMBLY-LODGE | LAKEVILLE, OH | 93 | 11 | — |