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World wastewater treatment plant observatory · data as reported by each inventory

Wastewater treatment plants in United States · Ohio

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817 inventory records · HydroWASTE v1.0 / United States

Data years: 2012. The inventory date does not establish current operation.

817 results

CompareNameNative sizeYear
Knox Co Bladensburg WWTPHW:35082210 population served2012
Geauga Co Plymouth Acres WWTPHW:35129204 population served2012
Latty WWTP and Sewer SystemHW:34734200 population served2012
Holmes Co Winesburg WWTP and SewersHW:34736200 population served2012
Rodney Village II WWTP and SewersHW:34754200 population served2012
Columbiana Co Roseview Acres WWTPHW:34817200 population served2012
Mahoning Co Damascus WWTPHW:34825200 population served2012
Mahoning Co Diehl Lake WWTPHW:34826200 population served2012
Hamilton New London Hills WWTP and SewersHW:35162200 population served2012
Hocking Co Rockbridge WWTPHW:35223200 population served2012
Tuscarawas Co Stone Creek WWTPHW:35532200 population served2012
Scioto Co Briarcliff Complex WWTPHW:35237195 population served2012
Lake Co Dodd s Hill WWTPHW:35204192 population served2012
Hocking Co Lake Moor Estates WWTPHW:35222190 population served2012
Richland Co Harp Subdivision WWTPHW:35380187 population served2012
Lorain Co Plum Creek WWTPHW:35231185 population served2012
Amesville Cluster Sewers and WWTPsHW:34934184 population served2012
Knox County Mount Liberty WWTPHW:35086183 population served2012
Fulton Co Pleasant View WWTPHW:35118180 population served2012
Greene Co Clifton WWTP and SewersHW:35053179 population served2012
Trumbull Co Newton Falls 2 WWTPHW:35457177 population served2012
Ashtabula Co Meadowood Allotmt WWTPHW:34849176 population served2012
Auglaize Co Beverly Hills WWTPHW:35303175 population served2012
Pickaway Co Wintergreen Hills WWTPHW:35344173 population served2012
Darke Co Rolin Acres WWTPHW:35531173 population served2012
Lake Co Rio Grande WWTPHW:35205172 population served2012
Geauga Co Belle Vernon WWTPHW:34853170 population served2012
Knox Co Pleasant View Acres WWTPHW:35081168 population served2012
Washington Co Deerfield Estates WWTP and SewersHW:34760165 population served2012
Pickaway Co Walnut Heights Subdivision WWTP and SewersHW:34787160 population served2012
Shelby Co Hickory Dell Estates WWTPHW:34863160 population served2012
Lake Co Sunshine Acres WWTPHW:35206160 population served2012
Auglaize Co Pleasantview EstatesHW:35305160 population served2012
Pickaway Co Circle Hills WWTPHW:35343160 population served2012
Pickaway Co Knollwood Village WWTPHW:35345160 population served2012
Trumbull Co Vienna 1 WWTPHW:35461160 population served2012
Knox Co Amity WWTPHW:35083159 population served2012
Lawrence Co Farmview Estates WWTPHW:35211158 population served2012
Delaware Co Hoover Woods WWTPHW:34781150 population served2012
Williams Co Durham Estates WWTPHW:34900150 population served2012
Seneca Co Hammer Heinsman EstatesHW:34919150 population served2012
Kirtland Hickory Hill Colony WWTPHW:35199150 population served2012
Sandusky Co Westwood AcresHW:35395150 population served2012
Sandusky Co Adams AcresHW:35396150 population served2012
Stark Co Village Green WWTPHW:35500150 population served2012
Philothea Sewer District WWTPHW:35533150 population served2012
Jefferson Co Maplewood Subdivision WWTPHW:35187149 population served2012
Fayette Co Flakes Ford Estates WWTPHW:34786138 population served2012
Geauga Co Scranton Woods WWTPHW:35140136 population served2012
Trumbull Co Logan Arms WWTPHW:35460135 population served2012
Knox County Brandon WWTPHW:35084132 population served2012
Hardin Co Roots Fairwayview Subdivision WWTPHW:34917126 population served2012
Kirtland Shenandoah Estates WWTPHW:35198125 population served2012
Sewer District 11HW:35269125 population served2012
Marion Co North Quarry Subdivision WWTPHW:34893120 population served2012
Geauga Co Surrey Downs WWTPHW:35127120 population served2012
Jefferson Co Mellwood Acres WWTPHW:35186120 population served2012
Scioto Co Tanglewood WWTPHW:35403120 population served2012
Summit Co Broken Fence WWTP 32HW:35440118 population served2012
Wilson WWTP and Sewer SystemHW:35513118 population served2012
Geauga Co Auburn Corners WWTPHW:35139117 population served2012
Union Co Parrott Village WWTPHW:34805115 population served2012
Defiance Co Belden s Subdivision WWTP and SewersHW:34948110 population served2012
Geauga Co Scarsdale WWTPHW:35130105 population served2012
Highland Co Rolling Acres WWTPHW:34767101 population served2012
Jefferson Co Ridgeland Subdivision WWTPHW:35185101 population served2012
Gallia Co Mercerville WWTP and SewersHW:34757100 population served2012
Columbiana Co Skyview Acres WWTPHW:34815100 population served2012
Wayne Co Lake Harmony WWTPHW:34854100 population served2012
Marion Co Harmony Subdivision SD 5BHW:34891100 population served2012
Auglaize Pines Subdivision WWTPHW:34950100 population served2012
Gates Mills WWTP and Sewer SystemHW:35124100 population served2012
Auglaize Co K_Z Sewer DistrictHW:35308100 population served2012
Summit Co Interstate Industrial Park WWTP 44HW:35441100 population served2012
Trumbull Co Kinsman WWTPHW:35462100 population served2012
Warren Co Dale Acres WWTPHW:35481100 population served2012
Carroll County Home Golden Age Retreat WWTPHW:35538100 population served2012
Auglaize Co Forest Lane WWTPHW:3530796 population served2012
Pleasant Valley RSD Rustic Acres WWTP and SewersHW:3476495 population served2012
Knox County Jelloway WWTPHW:3508592 population served2012
Union Co Darby Meadows WWTPHW:3547090 population served2012
Darke Co Stillwater Golf EstatesHW:3553090 population served2012
Fairfield Co Lakeside Estates WWTPHW:3480987 population served2012
Trumbull Co Warren 3 WWTPHW:3545885 population served2012
Geauga Co Willow Hills WWTPHW:3513581 population served2012
Highland Co Lakeside Estates WWTPHW:3477080 population served2012
Allen Co Mast Estates WWTPHW:3494180 population served2012
Defiance Co Middle Gordon Creek WWTP and SewersHW:3494980 population served2012
Scioto Co Scaff Starrett WWTPHW:3539980 population served2012
Preble Co Sewer District 2 WWTPHW:3545080 population served2012
Fulton Co Airport Industrial ParkHW:3511775 population served2012
Auglaize Co Sherwood Forest WWTPHW:3530275 population served2012
Wayne Co Gingery Allotment WWTP and SewersHW:3485574 population served2012
Williams Co Hillside WWTPHW:3490170 population served2012
Kirtland Rockwood Ledges WWTPHW:3520070 population served2012
Auglaize Co Arrowhead Estates WWTPHW:3530470 population served2012
Sewer District 9HW:3526865 population served2012
Defiance Co Evergreen Office Complex WWTPHW:3494764 population served2012
Delaware County Home WWTPHW:3477960 population served2012
Crawford Co Morton SubdivisionHW:3554060 population served2012

Regulatory context

General reference. This is not an exhaustive review of applicable law.

United States: Clean Water Act / NPDES

NPDES regulates pollutant discharges from point sources to waters of the United States. The permit sets limits and monitoring conditions. A CWNS code identifies an inventory record, not an NPDES permit.

  • Permit identifier and permitting authority: EPA or an authorized state.
  • Outfall and receiving water; sewer connections follow a different control route.
  • Current permit conditions, limits and dated measurements; these are not included in CWNS.

References reviewed: 2026-11-06. Individual applicability: undetermined. This profile does not establish authorization or compliance.