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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
Madison Co Wissalohichan SSD WWTP and SewersHW:3479450 population served2012
Marion Co Bumford Rd WWTP SD 6AHW:3489250 population served2012
Richland Co Country Meadows WWTPHW:3537850 population served2012
Trumbull Co Fox Den WWTPHW:3546350 population served2012
Mercer Co Wagner WWTPHW:3553450 population served2012
Geauga Co Wenhaven WWTPHW:3512848 population served2012
Union Co Crottinger EstatesHW:3546845 population served2012
Nashville WWTP and SewersHW:3473740 population served2012
Tuscarawas Co Kerr Allotment WWTPHW:3477540 population served2012
Wayne Co Attention CenterHW:3484040 population served2012
Williams Co Hickory Hills WWTPHW:3490240 population served2012
Richland Co Lust Subdivision WWTPHW:3537940 population served2012
Crawford Co Linlare VillageHW:3553940 population served2012
Union Co Tawa Estates WWTPHW:3547135 population served2012
Auglaize Co Sharlon WWTPHW:3530627 population served2012
Moreland Hills Greentree WWTPHW:3528624 population served2012
Wayne County Airport WWTPHW:3484120 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.