Velarion Records
The Pay Desk is the free weekly executive pay briefing — one company at a time, every number traceable to a public filing.
You’ll confirm on The Pay Desk’s sign-up page.

Clean Water Act discharge permit · NPDES IN0023965

OAK PARK CONSERVANCY DISTRICT, Jeffersonville, IN: NPDES IN0023965 discharge permit, effluent exceedances, inspections, penalties

OAK PARK CONSERVANCY DISTRICT holds NPDES permit IN0023965, which discharges to Lancassange Creek To The Ohio River. EPA’s file records it issued January 24, 2018 and expiring March 31, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedOAK PARK CONSERVANCY DISTRICT
Permittee as filedOAK PARK CONSERVANCY DISTRICT
NPDES IDIN0023965
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJanuary 24, 2018
Expiration dateMarch 31, 2023
Issuing agencyIDEM
AddressJeffersonville, IN 47130
Receiving waterLANCASSANGE CREEK TO THE OHIO RIVER
SubwatershedLentizier Creek-Ohio River (HUC 051401010605)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

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]161010May 31, 2023178% over the limit
Chlorine, total residual4128October 31, 2021100% over the limit
E. coli, colony forming units [CFU]644April 30, 2025929% over the limit
Phosphorus, total [as P]422September 30, 202510% over the limit
Solids, total suspended840
BOD, carbonaceous [5 day, 20 C]840
pH420
Flow, in conduit or thru treatment plant220
Toxicity [acute], Ceriodaphnia dubia020
Toxicity [acute], Pimephales promelas [Fathead Minnow]020
TU Static 48Hr Acute Daphnia pulex020
Flow, total210
BOD, carb-5 day, 20 deg C, percent removal010
Solids, suspended percent removal010
Nitrogen, Kjeldahl, total [as N]400
Nitrite + Nitrate total [as N]400
Number of Events400

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IN0023965.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IN0023965.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID IN0023965 there.

Nearby on the register

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