| JEFFERSON LODGE MOBILE HOME | WEST JEFFERSON, OH | 400 | 30 | — |
| VOYAGER VILLAGE MHP | MAUMEE, OH | 400 | 222 | — |
| THE RIDGE CHURCH | BROOKVILLE, OH | 400 | 7 | — |
| MID-OHIO SPORTS INFIELD PWS | LEXINGTON, OH | 400 | 4 | — |
| LAKE ERIE UTILITIES COMPANY | MIDDLE BASS, OH | 400 | 309 | — |
| BUCKEYE TRAILS - L | OREM, OH | 400 | 58 | — |
| CIRCLE K 5363-RANDOLPH | AKRON, OH | 400 | 34 | — |
| ST JOSEPH CATHOLIC CHURCH - FT JENNINGS | FORT JENNINGS, OH | 400 | 23 | — |
| CONGRESS LAKE CLUB-CLUBHOUSE | HARTVILLE, OH | 400 | 11 | — |
| TOMMYS CRAZY CHICKEN | HARTVILLE, OH | 400 | 34 | — |
| GRACE PETROLEUM - FOHL ROAD SUNOCO PWS | CANTON, OH | 400 | 112 | — |
| TALL TIMBER LAKE CAMP -CONCESSIONS PWS | NEW PHILADELPHIA, OH | 400 | 6 | — |
| KIDRON MENNONITE CHURCH | KIDRON, OH | 400 | 26 | — |
| CROSSROADS COMMUNITY CHURCH PWS | DOYLESTOWN, OH | 400 | 11 | — |
| GREEN LEAF RESTAURANT PWS | WOOSTER, OH | 400 | 12 | — |
| TONTOGANY VILLAGE | TONTOGANY, OH | 400 | 20 | — |
| HOLDEN ARBORETUM | KIRTLAND, OH | 398 | 318 | — |
| SACRED HEART SCHOOL | SHELBY, OH | 398 | 170 | — |
| SOUTH SOLON VILLAGE PWS | SOUTH SOLON, OH | 395 | 134 | — |
| SOUTH VIENNA VILLAGE PWS | SOUTH VIENNA, OH | 393 | 232 | — |
| 7-ELEVEN #36218 PWS | COLUMBUS, OH | 390 | 57 | — |
| BELLSTORES STONE CREEK PWS | MASSILLON, OH | 390 | 0 | — |
| CLAYS PARK RESORT - WATER FEATURE | NORTH LAWRENCE, OH | 388 | 0 | — |
| COLLEGE CORNER WATER | COLLEGE CORNER, OH | 387 | 51 | — |
| CHURCH OF THE SAVIOUR | WOOSTER, OH | 385 | 70 | — |
| CLARINGTON VILLAGE PWS | CLARINGTON, OH | 384 | 158 | — |
| CLARK COUNTY ROCKWAY PWS | SPRINGFIELD, OH | 383 | 9 | — |
| BOBS NICKEL SAVER PWS | LEWISBURG, OH | 380 | 19 | — |
| TIMMONS ELEMENTARY SCHOOL | CHAGRIN FALLS, OH | 375 | 245 | Clean |
| COUNTRYSIDE ESTATES | MORGANTOWN, OH | 375 | 36 | — |
| SOUTHEAST MIDDLE SCHOOL PWS | RAVENNA, OH | 375 | 265 | — |
| SHELBY COUNTY WATER AND SEWER PWS | MINSTER, OH | 375 | 32 | — |
| FELLOWSHIP BAPTIST CHURCH-CANTON PWS | CANTON, OH | 375 | 11 | — |
| SMITHVILLE APOSTOLIC CHRISTIAN CHURCH PW | WEST SALEM, OH | 375 | 0 | — |
| BAILEY LAKES VILLAGE | WEST SALEM, OH | 374 | 96 | — |
| ST LOUISVILLE VILLAGE PWS | NEWARK, OH | 374 | 35 | — |
| DARBYDALE ELEMENTARY SCHOOL PWS | GROVE CITY, OH | 370 | 12 | — |
| TCMSD-WAINWRIGHT PWS | BOLIVAR, OH | 370 | 23 | — |
| JERSEY BAPTIST CHURCH | NEW ALBANY, OH | 368 | 124 | — |
| GEAUGA CO PUBLIC LIBRARY BAINBRIDGE PWS | CHARDON, OH | 364 | 0 | — |
| OLD STRAITSVILLE-ROCKBRIDGE | LOGAN, OH | 361 | 20 | — |
| RIDGEDALE ELEMENTARY SCHOOL | MORRAL, OH | 361 | 21 | — |
| PROCTER N GAMBLE DIST CTR - LIMA | LIMA, OH | 360 | 4 | — |
| HOLLOWAY PUBLIC WATER SYSTEM | HOLLOWAY, OH | 360 | 71 | — |
| MUNSON ELEMENTARY SCHOOL | CHARDON, OH | 360 | 40 | — |
| MAYFIELD UTD. METHODIST CHURCH & DAYCARE | CHESTERLAND, OH | 360 | 21 | — |
| BOWERSVILLE VILLAGE PWS | BOWERSVILLE, OH | 360 | 76 | — |
| SPRING VALLEY ESTATES MHP | MAUMEE, OH | 360 | 183 | — |
| ZALESKI VILLAGE PWS | ZALESKI, OH | 360 | 74 | — |
| VICTORY CHRISTIAN SCHOOL | URBANA, OH | 359 | 1,095 | — |