Public Water Systems
4,181 active water systems in OH.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| AQUA OHIO - AUBURN LAKES PWS | MENTOR, OH | 658 | 320 | — |
| SUBURBANS COMMUNITY MHP | NEW YORK, OH | 655 | 157 | — |
| NEW STRAITSVILLE, VILLAGE OF | NEW STRAITSVILLE, OH | 652 | 41 | — |
| CHARDON WOODS OF JOURNEY | CHARDON, OH | 650 | 125 | — |
| JEWETT VILLAGE | JEWETT, OH | 650 | 108 | — |
| LICKING VALLEY HIGH SCHOOL PWS | NEWARK, OH | 650 | 373 | — |
| FAIRLAWN K-12 SCHOOL | SIDNEY, OH | 650 | 151 | — |
| FAIRBANKS MIDDLE AND HIGH SCHOOL | MILFORD CENTER, OH | 650 | 76 | — |
| ST HELENS PARISH AND SCHOOL | NEWBURY, OH | 649 | 159 | — |
| EAST CENTRAL OHIO BUSINESS PARK | ZANEVILLE, OH | 642 | 37 | — |
| GURNEY ELEMENTARY SCHOOL | CHAGRIN FALLS, OH | 640 | 239 | — |
| RUSSIA VILLAGE PWS | RUSSIA, OH | 640 | 10 | — |
| WACO MARATHON | MASSILLON, OH | 638 | 43 | — |
| OLD TRAIL SCHOOL | BATH, OH | 630 | 30 | Detected |
| MENDON VILLAGE | SPENCERVILLE, OH | 628 | 19 | — |
| LUCAS VILLAGE | LUCAS, OH | 620 | 23 | — |
| SHILOH VILLAGE | SHILOH, OH | 619 | 105 | — |
| FOUR SEASONS MARINA | CINCINNATI, OH | 615 | 8 | — |
| WAFFLE HOUSE 716 PWS | LONDON, OH | 614 | 27 | — |
| EASTWOOD HIGH SCHOOL | PEMBERVILLE, OH | 613 | 40 | — |
| FIELD HIGH SCHOOL | MOGADORE, OH | 610 | 17 | — |
| SPEE-D-FOODS #29 PWS | GREENTOWN, OH | 606 | 4 | — |
| SHAWNEE, VILLAGE OF | SHAWNEE, OH | 605 | 37 | — |
| PAK-A-SAK 38 PWS | PORTLAND, OH | 604 | 56 | — |
| THURSTON VILLAGE PWS | THURSTON, OH | 604 | 63 | — |
| MT VICTORY VILLAGE | MT VICTORY, OH | 603 | 56 | — |
| BEN LOGAN HIGH SCHOOL | BELFONTAINE, OH | 603 | 10 | — |
| LOWELL VILLAGE PWS | LOWELL, OH | 603 | 158 | — |
| BOARDMAN PARK-MAIN WELL PWS | BOARDMAN, OH | 601 | 45 | — |
| EAST CLINTON HIGH SCHOOL | LEES CREEK, OH | 600 | 197 | — |
| CEDAR RIDGE LODGE AREA PWS | ASHVILLE, OH | 600 | 76 | — |
| KEIM LUMBER INC PWS 2 | CHARM, OH | 600 | 11 | — |
| RUSTIC KNOLLS CAMPGROUND | MOUNT VERNON, OH | 600 | 55 | — |
| QUINCY VILLAGE PWS | QUINCY, OH | 600 | 183 | — |
| ODOT REST AREA 6-21 PWS | DELAWARE, OH | 600 | 34 | — |
| CEDARLANE RV PARK | PORT CLINTON, OH | 600 | 23 | — |
| BATH UNITED CHURCH OF CHRIST-MAIN | BATH, OH | 600 | 19 | — |
| NOLLEY ELEMENTARY SCHOOL | NEW FRANKLIN, OH | 600 | 147 | Detected |
| COOPER FARMS COOKED MEATS VAN WERT | VAN WERT, OH | 600 | 12 | — |
| KETTERING HEALTH WASHINGTON TWP | DAYTON, OH | 596 | 8 | — |
| CORY RAWSON SCHOOLS | RAWSON, OH | 595 | 69 | — |
| NEW ATHENS PWS | NEW ATHENS, OH | 595 | 71 | — |
| ODOT REST AREA 1-28 WB | LIMA, OH | 595 | 79 | — |
| MADISON PLAINS HIGH SCHOOL | LONDON, OH | 593 | 138 | — |
| ALL SAINTS CATHOLIC CHURCH | NEW RIEGEL, OH | 590 | 8 | — |
| GLACIER HILL LAKES CAMPGROUND | ERLANGER, OH | 588 | 20 | — |
| AQUA OHIO - MANSFIELD SYSTEM #02 | MASSILLON, OH | 588 | 52 | — |
| LAURELVILLE, VLG OF | LAURELVILLE, OH | 586 | 81 | — |
| NORTHERN OHIO RURAL WATER - SE DISTRICT | NORWALK, OH | 586 | 1 | — |
| WALNUT HILLS WATER ASSOCIATION | MANSFIELD, OH | 583 | 17 | — |