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Clean Water Act discharge permit · NPDES OH0140929

IPL DAYTON INC, German Twp, OH: NPDES OH0140929 discharge permit, effluent exceedances, inspections, penalties

IPL DAYTON INC, held by IPL Dayton Inc., holds NPDES permit OH0140929, which discharges to Storms Creek. EPA’s file records it issued September 28, 2018 and expiring October 31, 2023.

IPL DAYTON INC, German Twp, Ohio: Individual permit OH0140929, held by IPL Dayton Inc.; Administratively continued (past its expiration date and still in force until reissued); issued September 28, 2018, term to October 31, 2023; discharges to Storms Creek.

  • BOD, carbonaceous [5 day, 20 C]: 4 limits, 26 violations of any kind, 18 effluent exceedances, latest June 30, 2026, largest 300% over the limit.
  • Nitrogen, ammonia total [as N]: 8 limits, 20 violations of any kind, 16 effluent exceedances, latest March 31, 2025, largest 489% over the limit.
  • pH: 4 limits, 6 violations of any kind, 4 effluent exceedances, latest June 30, 2020.
  • Solids, total suspended: 6 limits, 11 violations of any kind, 3 effluent exceedances, latest August 31, 2019, largest 61% over the limit.
  • Oxidants, total residual: 1 limit, 4 violations of any kind, 3 effluent exceedances, latest February 28, 2017, largest 69,900% over the limit.
  • Residue, tot fltrble [dried at 105 C]: 2 limits, 6 violations of any kind, 2 effluent exceedances, latest April 30, 2020, largest 51% over the limit.
  • E. coli, MTEC-MF: 2 limits, 2 violations of any kind, 2 effluent exceedances, latest June 30, 2020, largest 99,999% over the limit.
  • Oxygen, dissolved [DO]: 1 limit, 2 violations of any kind, 2 effluent exceedances, latest June 30, 2023, largest 6% over the limit.
  • Flow rate: 4 limits, 9 violations of any kind, 0 effluent exceedances.
  • Turbidity [severity]: 4 limits, 7 violations of any kind, 0 effluent exceedances.
  • Temperature, water deg. centigrade: 6 limits, 6 violations of any kind, 0 effluent exceedances.
  • Color, spectrophoto-metric filter: 0 limits, 5 violations of any kind, 0 effluent exceedances.
  • Odor, atmospheric [severity]: 0 limits, 3 violations of any kind, 0 effluent exceedances.
  • Oil and grease, hexane extr method: 2 limits, 2 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 2 limits, 2 violations of any kind, 0 effluent exceedances.
  • Zinc, total recoverable: 2 limits, 2 violations of any kind, 0 effluent exceedances.
  • Copper, total recoverable: 2 limits, 2 violations of any kind, 0 effluent exceedances.
  • Rainfall: 2 limits, 2 violations of any kind, 0 effluent exceedances.
  • Oil & grease severity: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Sludge waste from secondary clarifiers: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Chlorine, total residual: 1 limit, 0 violations of any kind, 0 effluent exceedances.

IPL DAYTON INC among its neighbors

EPA’s permit file holds 5 discharge permits in the Bogles Run-Mad River subwatershed (HUC 050800011607), OH0140929 among them. Its county holds 26, 1 of them major permits; OH0140929 is a minor permit.

Other permits in the Bogles Run-Mad River subwatershed (HUC 050800011607)

  • HICKORY GROVE MHC, Urbana: OH0133787, minor permit, discharging to Bogles Run, permit term to June 30, 2026
  • URBANA LOCAL ELEM SCH, Urbana: OH0131831, minor permit, discharging to Tributary Bogles Run, permit term to August 31, 2017
  • URBANA MATERIALS, Urbana: OH0147958, minor permit, discharging to Mad River, permit term to April 30, 2023
  • URBANA WPCF, Urbana: OH0027880, major permit, discharging to Mad River, permit term to November 30, 2020

Identity

Facility as filedIPL DAYTON INC
Permittee as filedIPL Dayton Inc.
NPDES IDOH0140929
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
IssuedSeptember 28, 2018
Expiration dateOctober 31, 2023
AddressGerman Twp, OH 45501
Receiving waterStorms Creek
Receiving water impaired303(D) Listed
SubwatershedBogles Run-Mad River (HUC 050800011607)
SIC3089 – Plastics Products

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
BOD, carbonaceous [5 day, 20 C]42618June 30, 2026300% over the limit
Nitrogen, ammonia total [as N]82016March 31, 2025489% over the limit
pH464June 30, 2020
Solids, total suspended6113August 31, 201961% over the limit
Oxidants, total residual143February 28, 201769,900% over the limit
Residue, tot fltrble [dried at 105 C]262April 30, 202051% over the limit
E. coli, MTEC-MF222June 30, 202099,999% over the limit
Oxygen, dissolved [DO]122June 30, 20236% over the limit
Flow rate490
Turbidity [severity]470
Temperature, water deg. centigrade660
Color, spectrophoto-metric filter050
Odor, atmospheric [severity]030
Oil and grease, hexane extr method220
Phosphorus, total [as P]220
Zinc, total recoverable220
Copper, total recoverable220
Rainfall220
Oil & grease severity200
Sludge waste from secondary clarifiers200
Chlorine, total residual100

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES OH0140929.

Inspections

EPA’s inspection file holds no inspection for NPDES OH0140929.

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 OH0140929.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This EPA register page covers NPDES permit OH0140929, held by IPL Dayton Inc. in German Twp, OH, which discharges to Storms Creek and is administratively continued past its October 31, 2023 expiration date. The page lists 21 pollutants on file, 19 of them under a numeric limit, and 8 with an effluent exceedance.