| West Manchester WWTP | West Manchester | 0.02 |
| Lafayette WWTP | Lafayette | 0.02 |
| Forest Creek Mhp | Amelia | 0.02 |
| Pleasant Lea Water Reclamation Facility | Lancaster | 0.02 |
| Rivermoor Estates WWTP | Ravenna | 0.02 |
| Tappan Lake Park Campground | Deersville | 0.02 |
| Hayden Heights Mhp | Dublin | 0.02 |
| Wintergreen Hills Subdiv WWTP | Circleville | 0.02 |
| Western Reserve Elem Jr & Sr Hs | Collins | 0.01 |
| Clarington WWTP | Clarington | 0.01 |
| Fairlane Estates WWTP & Sewers | Suffield | 0.01 |
| Skyridge Apartment Homes | Cincinnati | 0.01 |
| Lake Moor Estates Subdiv | Logan | 0.01 |
| Odnr-Hocking Hills State Park-Odnr Hocking Hills State Park | Logan | 0.01 |
| Mid-Western Childrens Home | Pleasant Plain | 0.01 |
| Lakeland Woods Sd | Bryan | 0.01 |
| Western Reserve WWTP | Ravenna | 0.01 |
| Flakes Ford Estates | Washington Court House | 0.01 |
| Lake Harmony Subdiv | Dalton | 0.01 |
| Stryker STP | Stryker | 0.01 |
| Ashtabula Co Meadowood Allotmt WWTP | Ashtabula | 0.01 |
| Burton Lakes WWTP | Burton | 0.01 |
| Tanglewood Subdiv WWTP | Portsmouth | 0.01 |
| The Pines Mhc | Hamilton | 0.01 |
| Country Lawn Ctr For Rehab Nursing Home | Navarre | 0.01 |
| Rolin Acres Subdiv WWTP | Greenville | 0.01 |
| Adams Acres Subdiv | Fremont | 0.01 |
| Odnr-Punderson-Odnr Punderson Campground | Newbury | 0.01 |
| Suburban Mobile Home Park-Suburban Mhp | Newark | 0.01 |
| Forty Corners Mobile Village-Forty Corners Mobile Vlg | Massillon | 0.01 |
| Pleasant View Acres WWTP | Mount Vernon | 0.01 |
| Salt Fork Sp Lodge & Cabin WWTP | Lore City | 0.01 |
| Molly Stark Hospital WWTP | Louisville | 0.01 |
| Broadwood Hills WWTP | Burton | 0.01 |
| Blackbrook Valley Estates | Mantua | 0.01 |
| Vienna WWTP No 1 | Vienna | 0.01 |
| Kimberly Estates WWTP | Newbury | 0.01 |
| Glenford WWTP | Glenford | 0.01 |
| Odot / Rest Area 3-36-Odot Rest Area 3-36 | Ashland | 0.01 |
| Country Acres Golf Club | Ottawa | 0.01 |
| Hidden Acres Campground Inc | West Salem | 0.01 |
| Latty WWTP | Latty | 0.01 |
| Hammer Heinsman WWTP | Tiffin | 0.0098 |
| Country Side Mobile Home-Country Side Mhp | Amlin | 0.0098 |
| Rockwood Ledges WWTP | Kirtland | 0.0098 |
| Parrott Village WWTP | Marysville | 0.0097 |
| Sparta WWTP | Sparta | 0.0097 |
| Villa Vista Mhp | Heath | 0.0096 |
| Cloverleaf Jr & Sr Hs | Lodi | 0.0094 |
| Honey Creek Village | Tiffin | 0.0091 |
| Hickory Dell Estates WWTP | Sidney | 0.0088 |
| Salt Fork Sp Campground WWTP | Lore City | 0.0086 |
| Darby Meadows WWTP | Marysville | 0.0086 |
| Geneva Trailer Park | Geneva | 0.0084 |
| Walton Creek Condos WWTP | Cincinnati | 0.0083 |
| Greentree WWTP | Moreland Hills | 0.0082 |
| Circle Hill Subdiv WWTP | Circleville | 0.0082 |
| Pymatuning Adventure Resort Llc | Williamsfield | 0.0082 |
| Ursuline College | Pepper Pike | 0.0081 |
| Mcguffey STP | Mcguffey | 0.0081 |
| Fenwick Marina | Oak Harbor | 0.008 |
| Miller City High Sch WWTP | Miller City | 0.0078 |
| Guernsey Co Beech Meadows WWTP | Cambridge | 0.0075 |
| Dale Acres WWTP | Goshen | 0.0074 |
| Sunshine Acres WWTP & Sewer System | Painesville | 0.0072 |
| Fox Den WWTP | Warren | 0.0072 |
| Hoover Woods WWTP | Galena | 0.007 |
| Holmes Co Jail And Training Ctr WWTP | Millersburg | 0.007 |
| New Vienna Village-New Vienna WTP | New Vienna | 0.0068 |
| Mast Estates WWTP | Elida | 0.0067 |
| Gates Mills WWTP | Gates Mills | 0.0067 |
| Portage Point Condos & Oak Harbor Golf Club | Oak Harbor | 0.0065 |
| Farr Hill Mhp Inc | Wellsville | 0.0065 |
| Kirtland Shenandoah Estates WWTP | Kirtland | 0.0065 |
| Moscow Village | Moscow | 0.0063 |
| Odot Rest Area 7-26 | Wapakoneta | 0.0062 |
| Lorain Co Plum Creek WWTP | Columbia Station | 0.0062 |
| Trumbull Co Warren #3 WWTP | Leavittsburg | 0.0062 |
| Westfall High School | Williamsport | 0.0061 |
| Jonathan Alder Junior High | Plain City | 0.0061 |
| Odot Parks 8-39 And 8-40 WWTP | Jefferson Twp. | 0.006 |
| A&r Reck Sunset Terrace Mhp | Urbana | 0.006 |
| Uniopolis WWTP | Uniopolis | 0.0059 |
| Empire WWTP | Empire | 0.0059 |
| Rio Grand WWTP | Painesville | 0.0059 |
| Mhp Holdings - Flora Llc | Harrison | 0.0058 |
| Columbiana Co Skyview Acres STP | Wellsville | 0.0058 |
| Scranton Woods WWTP | Newbury | 0.0057 |
| Medina County Comm Sd 11 | Hinckley | 0.0057 |
| Maplewood Subdiv | Steubenville | 0.0056 |
| Will-O-Brook Mhp | Norwalk | 0.0056 |
| Hickory Hills WWTP | Bryan | 0.0055 |
| Surrey Downs WWTP | Russell | 0.0055 |
| Wenhaven WWTP | Russell | 0.0054 |
| Medina Co Sd No 9 WWTP | Hinckley | 0.0054 |
| Willow Hills WWTP | Chesterland | 0.0052 |
| Kerr Allotment WWTP | New Philadelphia | 0.005 |
| Shawnee State Park Campground WWTP | Portsmouth | 0.0048 |
| Odnr Beach Area W Branch Sp | Ravenna | 0.0048 |
| Coble Village | Willard | 0.0048 |
| Odot Rest Area 5-27 | Old Washington | 0.0047 |
| Miami Whitewater Forest Park | Harrison | 0.0046 |
| Linlare Ssd No 2 | Bucyrus | 0.0045 |
| Geauga Co Plymouth Acres WWTP | Chardon | 0.0044 |
| Odnr Lake Hope State Park | Zaleski | 0.0044 |
| Odot District 1 Park #1-33 | Sandusky | 0.0042 |
| Deering Elem WWTP | Ironton | 0.0042 |
| Country Hills Mhp-Country Hills Mhp | Newark | 0.0042 |
| Odot Dist 1 Park No 1-26 & 25 | Lima | 0.0042 |
| Arbors At Pomeroy | Pomeroy | 0.0041 |
| Harmony Subdiv Sd 5b | Marion | 0.0041 |
| Camp Nuhop | Ashland | 0.0039 |
| Groves At Newmans Crossing POTW | Marion | 0.0039 |
| East Clinton High School | Lees Creek | 0.0039 |
| Queen City Mhp | Chillicothe | 0.0039 |
| Gingery Allotment STP | Wooster | 0.0037 |
| Beverly Hills Subdiv | Wapakoneta | 0.0037 |
| Ranchwood Community | Bucyrus | 0.0035 |
| Arrowhead Estates WWTP | Wapakoneta | 0.0035 |
| Pleasant Park Mobile Court | Warren | 0.0035 |
| Middle Gordon Creek WWTP & Sewers | Hicksville | 0.0035 |
| Morton Subdivision | Bucyrus | 0.0034 |
| Woodland Country Manor | Somerville | 0.0034 |
| Kelleys Island State Park Campground | Kelleys Island | 0.0033 |
| Wintergreen WWTP | Chardon | 0.0033 |
| Fairbanks Middle And High School-Fairbanks Middle And High School | Milford Center | 0.0033 |
| Camp Campbell Gard | Hamilton | 0.0032 |
| Findley State Park WWTP | Wellington | 0.0031 |
| Country Acres Rv Resort Llc - Boat House-Country Acres - Boat House | Ravenna | 0.0031 |
| Indian Springs Trailer Park | Peninsula | 0.0031 |
| Mayfield Park Mhp | Akron | 0.0031 |
| Odot Torch Rest Area WWTP | Torch | 0.0031 |
| Lhs Maumee Youth Center | Liberty Center | 0.003 |
| Picket Fences Mhp | West Jefferson | 0.003 |
| Rolling Acres WWTP | Hillsboro | 0.003 |
| Pennwood Estates Subdiv | St Clairsville | 0.003 |
| West Homes High School | Millersburg | 0.0029 |
| Inn At Honey Run-Inn At Honey Run | Millersburg | 0.0029 |
| Odot Rest Area 04-35 WWTP | Ravenna | 0.0029 |
| South Bass Island State Park | Put-In- Bay | 0.0028 |
| Indian Trail Campground | Fitchville | 0.0026 |
| Odnr - Mohican State Forest WWTP | Perrysville | 0.0026 |
| Odot Rest Area 9-30 | Richmond Dale | 0.0026 |
| October Hills WWTP | Millersburg | 0.0026 |
| Spring Valley Outdoors, Inc-Spring Valley Campground | Cambridge | 0.0025 |
| Bumford Road WWTP Sd 6a | Marion | 0.0025 |
| Pike Lake State Park WWTP | Bainbridge | 0.0025 |
| Cecil WWTP | Cecil | 0.0025 |
| Forest Lane Subdiv | Wapakoneta | 0.0024 |
| Tar Hollow State Park | Laurelville | 0.0024 |
| Reed Road WWTP | Belle Center | 0.0024 |
| Wynford Hs & Elem Sch | Bucyrus | 0.0024 |
| Eldridge Station Hills WWTP | Kenton | 0.0023 |
| Hervida 4-H Camp Inc | Waterford | 0.0021 |
| Bruewer Woodwork Mfg. Co. (1431473393) | Cleves | 0.0021 |
| Crottinger Estates WWTP | Plain City | 0.0021 |
| Odot Rest Area 7-33 | St. Marys | 0.002 |
| Metzenbaum School-Metzembaum Opportunity Sch | Chesterland | 0.0019 |
| Odotrest Area 04-42 WWTP | Columbus | 0.0019 |
| Wooster Outdoor Center | Perrysville | 0.0018 |
| Riverbend Campground | Caledonia | 0.0017 |
| Wissalohichan Ssd | West Jefferson | 0.0017 |
| Odot Park No 1-30 | Carey | 0.0017 |
| Riverview Manor Mhp | Zanesville | 0.0016 |
| Odot Rest Area 09-23 | Lucasville | 0.0016 |
| Odot Dist 1 Park No 1-29 | Carey | 0.0015 |
| Paint Creek State Park WWTP - Campground | Bainbridge | 0.0015 |
| Alpine Trail Mhp | Huron | 0.0015 |
| Pilot Travel Centers Llc No 016 | Wilmington | 0.0015 |
| Walnut Elementary School | Ashville | 0.0014 |
| Wayne Trace High School | Haviland | 0.0014 |
| Brentwood Mhp | Holland | 0.0013 |
| Sharlon Subdiv | New Knoxville | 0.0013 |
| Irbw Properties, Ltd. Dba Willard Mhp | Willard | 0.0013 |
| Peachgrove Townhouse Condos | Cincinnati | 0.0013 |
| Edison High School | Milan | 0.0013 |
| Rt 20 Apartments | Oberlin | 0.0012 |
| French Landing, Llc | Haverhill | 0.0012 |
| Bridge Lake Farm WWTP | Middlefield | 0.0012 |
| Penn Star Mhp | Salem | 0.0011 |
| Hardin-Northern Schools-Hardin-Northern Schools | Dola | 0.001 |
| Bigham'S Apartments WWTP | Amanda | 0.001 |
| Evergreen Lane Office Complex | Defiance | 0.001 |
| Green Hills Coach Park Ltd | Kenton | 0.001 |
| Heritage Inn Motel-Heritage Inn | Mansfield | 0.001 |
| Hickory Hills Golf Club-Hickory Hills Golf Club | Grove City | 0.00087 |
| Tawa Estates WWTP | Richwood | 0.00082 |
| A And E Campground Llc | Bellefontaine | 0.00081 |
| Fin Feather And Fur Outfitters Mini-Mall | Ashland | 0.00079 |
| Birmingham Metal Products Inc | Birmingham | 0.00068 |
| Sugar Grove Lake WWTP | Bucyrus | 0.00067 |
| Guggisberg Swiss Inn-Guggisberg Swiss Inn | Charm | 0.00063 |
| Mitchell 4-Plex Apts | Hubbard | 0.00061 |
| Mcconnelsvilles State Route 78 Package Sewer Plt | Mcconnelsville | 0.00061 |
| Snow Hill Country Club-Snow Hill Country Club | New Vienna | 0.00056 |
| Asm Intl | Novelty | 0.00053 |
| Modern Ice | Cincinnati | 0.00052 |
| Salt Fork Sp Marina WWTP | Lore City | 0.00052 |
| Country Club Hills Property Owners Assoc WWTP | Wapakoneta | 0.00051 |
| Odot Huron County Garage | Norwalk | 0.00051 |