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 |
| LIBERTY TOWNSHIP COMMUNITY BLDG PWS | RAYMOND, OH | 50 | 3 | — |
| BLUESCREEK FARM MEATS | MARYSVILLE, OH | 50 | 7 | — |
| ST THOMAS LUTHERAN CHURCH-VAN WERT | CONVOY, OH | 50 | 36 | — |
| CANAAN LUTHERAN CHURCH | CRESTON, OH | 50 | 57 | — |
| DJS BAR | STERLING, OH | 50 | 84 | — |
| MARTINS MENNONITE CHURCH | ORRVILLE, OH | 50 | 20 | — |
| SALEM MENNONITE CHURCH - WOOSTER | ORRVILLE, OH | 50 | 74 | — |
| AMERICAN LEGION POST 68 | WOOSTER, OH | 50 | 91 | — |
| STERLING UNITED METHODIST CHURCH PWS | STERLING, OH | 50 | 14 | — |
| ADVANCED DRAINAGE SYSTEMS PWS | WOOSTER, OH | 50 | 49 | — |
| QUAILCREST FARM PWS | WOOSTER, OH | 50 | 33 | — |
| JOY BAPTIST CHURCH PWS | ORRVILLE, OH | 50 | 46 | — |
| RITTMAN ORCHARDS PWS | DOYLESTOWN, OH | 50 | 0 | — |
| BUILT-RITE BOX & CRATE | WOOSTER, OH | 50 | 0 | — |
| NORTH PINE ESTATES | CONSTANTINE, OH | 50 | 234 | — |
| NORTHLAND SENIOR COMMUNITY | SPRINGVILLE, OH | 50 | 81 | — |
| VICTORY BARN CHURCH | EDGERTON, OH | 50 | 21 | — |
| PIONEER INN | PERRYSBURG, OH | 50 | 40 | — |
| SANDY BOBS LLC | CAREY, OH | 50 | 59 | — |
| VINTAGE OVEN PWS | WHARTON, OH | 50 | 21 | — |
| BLACK ROCK CAMPGROUND-CAMP A | CONNEAUT, OH | 49 | 44 | — |
| BLACK ROCK CAMPGROUND - CAMP B | CONNEAUT, OH | 49 | 30 | — |
| JACKIES PLACE PWS | ROSSBURG, OH | 49 | 31 | — |
| HIGHLANDS COMM CHURCH/CHRISTIAN ACADEMY | NEWARK, OH | 49 | 82 | — |
| HILLCREST ESTATES MOBILE HOME COURT | ADA, OH | 49 | 23 | — |
| COUNTRY ACRES RV RESORT LLC - SOUTH SIDE | RAVENNA, OH | 49 | 20 | — |
| VAIL MINE PWS | KITTANNING, OH | 48 | 0 | — |
| WIERS FARM AMLC #04A (BLDG #01 & #02) PW | WILLARD, OH | 48 | 44 | — |
| COUNTRY HILLS MHP | NEWARK, OH | 48 | 56 | — |
| LYND FRUIT FARM-MIGRANT | PATASKALA, OH | 48 | 29 | — |
| RED ROOF INN PWS | HEBRON, OH | 48 | 17 | — |
| SCOTT RD PROPERTY LLC AMLC | SWANTON, OH | 48 | 32 | — |
| PLUMWOOD MOBILE HOME PARK | WILLIAMSPORT, OH | 48 | 62 | — |
| BRENTWOOD COMMUNITY MHP | SPRINGVILLE, OH | 48 | 47 | — |
| PORTAGE METRO. HOUSING AUTHORITY | RAVENNA, OH | 48 | 502 | — |
| PLANET EARTH PRESCHOOL, INC PWS | RAVENNA, OH | 48 | 20 | — |
| WALBORN RESERVOIR MARINA | CANTON, OH | 48 | 30 | — |
| FLEXTUR PWS | DALTON, OH | 48 | 0 | — |
| GRANDVIEW MHP B | MOUNT VERNON, OH | 47 | 2 | — |
| DOLLAR GENERAL #20078 - MT VERNON | GOODLETTSVILLE, OH | 47 | 0 | — |
| KING'S MOTEL - EAST | LOWELLVILLE, OH | 47 | 80 | — |
| COUNTRY INN ENHANCED LIVING CENTER | PAULDING, OH | 47 | 187 | — |
| VEL-A-DA AMLC 1 | GREEN SPRINGS, OH | 47 | 19 | — |
| SAINT PEREGRINE CHAPEL SCHOOL PWS | RICHFIELD, OH | 47 | 400 | — |
| KORDA MANUFACTURING INC | CONNEAUT, OH | 47 | 173 | — |
| STONY RIDGE KOA CAMPGRD & STORE | PERRYSBURG, OH | 47 | 63 | — |
| CARROLL HILLS INDUSTRIES PWS | CARROLLTON, OH | 46 | 0 | — |
| BREEZEWAY MOBILE MANOR | COLUMBIANA, OH | 46 | 172 | — |
| FAITH FELLOWSHIP - MINERVA | MINERVA, OH | 46 | 99 | — |
| CHURCH OF CHRIST - SALEM | SALEM, OH | 46 | 28 | — |