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Clean Water Act discharge permit · NPDES OHL025461

MILL CREEK WWTP -MSD, Cincinnati, OH: NPDES OHL025461 discharge permit, effluent exceedances, inspections, penalties

MILL CREEK WWTP -MSD, held by Mill Creek WWTP -MSD, holds NPDES permit OHL025461. EPA’s file records it issued January 1, 2021 and expiring December 31, 2025.

MILL CREEK WWTP -MSD, Cincinnati, Ohio: Associated permit record OHL025461, held by Mill Creek WWTP -MSD; Biosolids; Administratively continued (past its expiration date and still in force until reissued); issued January 1, 2021, term to December 31, 2025.

Ohio holds 8 Biosolids coverages of this permit type in EPA’s file; 0 were issued before OHL025461.

Coverages issued nearest OHL025461

MILL CREEK WWTP -MSD among its neighbors

EPA’s permit file holds 5 discharge permits in the West Fork-Mill Creek subwatershed (HUC 050902030105), OHL025461 among them. Its county holds 64, 8 of them major permits; OHL025461 is a minor permit.

Other permits in the West Fork-Mill Creek subwatershed (HUC 050902030105)

  • AIRY POINTE CONDO ASSOC WWTP, Cincinnati: OH0072184, minor permit, discharging to West Fork, permit term to March 31, 2022
  • MILL CREEK WWTP, Cincinnati: OH0025461, major permit, discharging to Ohio River, permit term to August 31, 2023
  • MUDDY CREEK WWTP - MSD, Cincinnati: OHL025470, minor permit, permit term to December 31, 2025
  • RESIDENT HOME CORP, Cincinnati: OH0118583, minor permit, discharging to Tributary to West Fork, permit term to March 31, 2018

What the register holds for MILL CREEK WWTP -MSD: its NPDES ID, its permit type and status, its dates, its address in Cincinnati, Ohio. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES OHL025461.

Identity

Facility as filedMILL CREEK WWTP -MSD
Permittee as filedMill Creek WWTP -MSD
NPDES IDOHL025461
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeAssociated permit record
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramBiosolids
IssuedJanuary 1, 2021
Expiration dateDecember 31, 2025
AddressCincinnati, OH 45204
Receiving water impaired303(D) Listed
SubwatershedWest Fork-Mill Creek (HUC 050902030105)
Other EPA IDs (FRS)RCRA handler OHD000720177; ICIS-AIR source OH0000001431070944

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES OHL025461.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES OHL025461.

Inspections

EPA’s inspection file holds no inspection for NPDES OHL025461.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES OHL025461.

Watch this permit

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

MILL CREEK WWTP -MSD is the only biosolids permit on EPA's NPDES register in Hamilton County. It is one of 5 NPDES permits in the West Fork-Mill Creek subwatershed.