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Clean Water Act discharge permit · NPDES OH0147745

PLEASANT HILL MHP, Milford, OH: NPDES OH0147745 discharge permit, effluent exceedances, inspections, penalties

PLEASANT HILL MHP, held by Pleasant Hill Mobile Home Park, holds NPDES permit OH0147745, which discharges to Wolfpen Run. EPA’s file records it issued August 10, 2016 and expiring August 31, 2021.

PLEASANT HILL MHP, Milford, Ohio: Individual permit OH0147745, held by Pleasant Hill Mobile Home Park; Administratively continued (past its expiration date and still in force until reissued); issued August 10, 2016, term to August 31, 2021; discharges to Wolfpen Run.

  • Nitrogen, ammonia total [as N]: 10 limits, 38 violations of any kind, 38 effluent exceedances, latest July 31, 2025, largest 781% over the limit.
  • Oxygen, dissolved [DO]: 2 limits, 29 violations of any kind, 29 effluent exceedances, latest July 31, 2025, largest 82% over the limit.
  • E. coli, MTEC-MF: 4 limits, 18 violations of any kind, 18 effluent exceedances, latest May 31, 2023, largest 99,999% over the limit.
  • BOD, carbonaceous [5 day, 20 C]: 8 limits, 18 violations of any kind, 14 effluent exceedances, latest March 31, 2026, largest 440% over the limit.
  • Solids, total suspended: 8 limits, 12 violations of any kind, 12 effluent exceedances, latest July 31, 2024, largest 273% over the limit.
  • Chlorine, total residual: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Temperature, water deg. centigrade: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • pH: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Nitrogen, Kjeldahl, total [as N]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Nitrite + Nitrate total [as N]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Turbidity [severity]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Sludge waste from secondary clarifiers: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • September 24, 2025: Effluent Violations - Unapproved Bypass (ST6).
  • September 24, 2025: Effluent Violations - Narrative Effluent Violation (ST6).
  • January 8, 2024: WW SSO - Narrative effluent violation (ST6).

PLEASANT HILL MHP among its neighbors

EPA’s permit file holds 9 discharge permits in the Salt Run-East Fork Little Miami River subwatershed (HUC 050902021305), OH0147745 among them.

Other permits in the Salt Run-East Fork Little Miami River subwatershed (HUC 050902021305)

Identity

Facility as filedPLEASANT HILL MHP
Permittee as filedPleasant Hill Mobile Home Park
NPDES IDOH0147745
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 10, 2016
Expiration dateAugust 31, 2021
AddressMilford, OH 45150
Receiving waterWolfpen Run
Receiving water impaired303(D) Listed
SubwatershedSalt Run-East Fork Little Miami River (HUC 050902021305)

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Nitrogen, ammonia total [as N]103838July 31, 2025781% over the limit
Oxygen, dissolved [DO]22929July 31, 202582% over the limit
E. coli, MTEC-MF41818May 31, 202399,999% over the limit
BOD, carbonaceous [5 day, 20 C]81814March 31, 2026440% over the limit
Solids, total suspended81212July 31, 2024273% over the limit
Chlorine, total residual110
Temperature, water deg. centigrade400
pH400
Nitrogen, Kjeldahl, total [as N]400
Nitrite + Nitrate total [as N]400
Phosphorus, total [as P]400
Turbidity [severity]400
Flow, in conduit or thru treatment plant400
Sludge waste from secondary clarifiers200

Inspections, violations and enforcement

DateWhat EPA recordedAgency
September 24, 2025Effluent Violations - Unapproved BypassST6
September 24, 2025Effluent Violations - Narrative Effluent ViolationST6
January 8, 2024WW SSO - Narrative effluent violationST6

Inspections

EPA’s inspection file holds no inspection for NPDES OH0147745.

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 OH0147745.

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Nearby on the register

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

What this page shows

This public-records page covers NPDES permit OH0147745 held by Pleasant Hill Mobile Home Park for PLEASANT HILL MHP in Milford, OH, which discharges to Wolfpen Run and is listed as administratively continued. The page lists 14 pollutants on file, 5 pollutants under a numeric limit, and 5 pollutants with an effluent exceedance.