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Clean Water Act discharge permit · NPDES OH0142638

DELAWARE STATE PARK, Delaware, OH: NPDES OH0142638 discharge permit, effluent exceedances, inspections, penalties

DELAWARE STATE PARK, held by Delaware State Park, holds NPDES permit OH0142638, which discharges to Delaware Lake. EPA’s file records it issued September 19, 2018 and expiring October 31, 2023.

DELAWARE STATE PARK, Delaware, Ohio: Individual permit OH0142638, held by Delaware State Park; Administratively continued (past its expiration date and still in force until reissued); issued September 19, 2018, term to October 31, 2023; discharges to Delaware Lake.

  • Phosphorus, total [as P]: 6 limits, 6 violations of any kind, 4 effluent exceedances, latest June 30, 2026, largest 375% over the limit.
  • Solids, total suspended: 6 limits, 4 violations of any kind, 4 effluent exceedances, latest March 31, 2026, largest 217% over the limit.
  • BOD, carbonaceous [5 day, 20 C]: 6 limits, 1 violation of any kind, 1 effluent exceedance, latest September 30, 2025, largest 20% over the limit.
  • Nitrogen, ammonia total [as N]: 12 limits, 0 violations 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.
  • 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.
  • Oxygen, dissolved [DO]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • E. coli, MTEC-MF: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Sludge weight, dry: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • BOD, carbonaceous [20 day, 20 C]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Chlorine, total residual: 1 limit, 0 violations of any kind, 0 effluent exceedances.

Other permits in Delaware

  • BERACHAH CHURCH WWTP, Delaware: OH0121398, minor permit, discharging to unnamed trib to Olentangy River, permit term to April 30, 2024
  • BUCKEYE VALLEY MIDDLE & HIGH SCHLS, Delaware: OH0121410, minor permit, discharging to UT to Olentangy River, permit term to December 31, 2021
  • CAMP LAZARUS BOY SCOUT CAMP, Delaware: OH0142409, minor permit, discharging to LAZARUS RUN, permit term to July 31, 2015
  • CRYSTAL LAKE MHP, Delaware: OH0101788, minor permit, discharging to unnamed tributary of Horseshoe Run, permit term to November 30, 2022
  • DEL-CO WATER CO INC, Delaware: OH0030538, minor permit, discharging to Olentangy River, permit term to November 30, 2022
  • DELAWARE MHP, Delaware: OH0121185, minor permit, discharging to Olentangy River, permit term to July 31, 2022
  • DELAWARE WTP 1, Delaware: OH0009024, minor permit, discharging to OLENTANGY RIVER, permit term to May 31, 2012
  • DELAWARE WTP 2, Delaware: OH0142476, minor permit, discharging to Olentangy River, permit term to November 30, 2022
  • HANK'S TEXAS BBQ RESTAURANT, Delaware: OH0106178, minor permit, discharging to unnamed tributary to Scioto River, permit term to May 31, 2022
  • HOME ROAD WATER PLANT, Delaware: OH0151752, minor permit, permit term to March 31, 2031

Identity

Facility as filedDELAWARE STATE PARK
Permittee as filedDelaware State Park
NPDES IDOH0142638
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 19, 2018
Expiration dateOctober 31, 2023
AddressDelaware, OH 43015
Receiving waterDelaware Lake

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
Phosphorus, total [as P]664June 30, 2026375% over the limit
Solids, total suspended644March 31, 2026217% over the limit
BOD, carbonaceous [5 day, 20 C]611September 30, 202520% over the limit
Nitrogen, ammonia total [as N]1200
Temperature, water deg. centigrade400
pH400
Nitrogen, Kjeldahl, total [as N]400
Nitrite + Nitrate total [as N]400
Turbidity [severity]400
Flow, in conduit or thru treatment plant400
Oxygen, dissolved [DO]200
E. coli, MTEC-MF200
Sludge weight, dry200
BOD, carbonaceous [20 day, 20 C]200
Chlorine, total residual100

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES OH0142638.

Inspections

EPA’s inspection file holds no inspection for NPDES OH0142638.

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 OH0142638.

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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 Clean Water Act discharge permit NPDES OH0142638, held by Delaware State Park in Delaware, OH, which discharges to Delaware Lake and is administratively continued past its expiration date. The page lists 15 pollutants on file, 15 under a numeric limit, and 3 with an effluent exceedance.