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Clean Water Act discharge permit · NPDES IN0061786

GIBSON COUNTY COAL LLC - GIBSON MINE, Princeton, IN: NPDES IN0061786 discharge permit, effluent exceedances, inspections, penalties

GIBSON COUNTY COAL LLC - GIBSON MINE holds NPDES permit IN0061786, which discharges to Patoka River. EPA’s file records it issued September 13, 2018 and expiring November 30, 2023.

GIBSON COUNTY COAL LLC - GIBSON MINE, Princeton, Indiana: Individual permit IN0061786; Administratively continued (past its expiration date and still in force until reissued); issued September 13, 2018, term to November 30, 2023, by IDEM; discharges to PATOKA RIVER.

  • Iron, total recoverable: 10 limits, 47 violations of any kind, 34 effluent exceedances, latest June 30, 2018, largest 136% over the limit.
  • Solids, total suspended: 6 limits, 34 violations of any kind, 30 effluent exceedances, latest May 31, 2020, largest 866% over the limit.
  • Chloride [as Cl]: 6 limits, 35 violations of any kind, 21 effluent exceedances, latest January 31, 2020, largest 112% over the limit.
  • Solids, total dissolved: 4 limits, 28 violations of any kind, 16 effluent exceedances, latest January 31, 2020, largest 90% over the limit.
  • Chlorine, total residual: 3 limits, 22 violations of any kind, 14 effluent exceedances, latest April 30, 2019, largest 99,999% over the limit.
  • E. coli, colony forming units [CFU]: 3 limits, 16 violations of any kind, 10 effluent exceedances, latest April 30, 2019, largest 19,474% over the limit.
  • BOD, carbonaceous [5 day, 20 C]: 2 limits, 8 violations of any kind, 4 effluent exceedances, latest May 31, 2020, largest 60% over the limit.
  • Flow, in conduit or thru treatment plant: 12 limits, 22 violations of any kind, 2 effluent exceedances, latest January 31, 2013, largest 85% over the limit.
  • pH: 10 limits, 15 violations of any kind, 1 effluent exceedance, latest January 31, 2011.
  • Sulfate, total [as SO4]: 6 limits, 15 violations of any kind, 1 effluent exceedance, latest December 31, 2004, largest 1,504% over the limit.
  • Phosphorus, total [as P]: 1 limit, 3 violations of any kind, 1 effluent exceedance, latest October 31, 2013, largest 56% over the limit.
  • Flow, total: 3 limits, 33 violations of any kind, 0 effluent exceedances.
  • Nitrogen, ammonia total [as N]: 4 limits, 4 violations of any kind, 0 effluent exceedances.
  • Hardness, total [as CaCO3]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Flow, augmented water: 4 limits, 0 violations of any kind, 0 effluent exceedances.
  • Number of Events: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • October 22, 2026: Evaluation (S).

GIBSON COUNTY COAL LLC - GIBSON MINE among its neighbors

EPA’s permit file holds 2 discharge permits in the Hull Ditch-Patoka River subwatershed (HUC 051202090807), IN0061786 among them. Its county holds 52, 2 of them major permits; IN0061786 is a minor permit.

Other permits in the Hull Ditch-Patoka River subwatershed (HUC 051202090807)

Identity

Facility as filedGIBSON COUNTY COAL LLC - GIBSON MINE
Permittee as filedGIBSON COUNTY COAL LLC - GIBSON MINE
NPDES IDIN0061786
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 13, 2018
Expiration dateNovember 30, 2023
Issuing agencyIDEM
AddressPrinceton, IN 47670
Receiving waterPATOKA RIVER
Receiving water impaired303(D) Listed
SubwatershedHull Ditch-Patoka River (HUC 051202090807)
SIC1241 – Coal Mining Services

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
Iron, total recoverable104734June 30, 2018136% over the limit
Solids, total suspended63430May 31, 2020866% over the limit
Chloride [as Cl]63521January 31, 2020112% over the limit
Solids, total dissolved42816January 31, 202090% over the limit
Chlorine, total residual32214April 30, 201999,999% over the limit
E. coli, colony forming units [CFU]31610April 30, 201919,474% over the limit
BOD, carbonaceous [5 day, 20 C]284May 31, 202060% over the limit
Flow, in conduit or thru treatment plant12222January 31, 201385% over the limit
pH10151January 31, 2011
Sulfate, total [as SO4]6151December 31, 20041,504% over the limit
Phosphorus, total [as P]131October 31, 201356% over the limit
Flow, total3330
Nitrogen, ammonia total [as N]440
Hardness, total [as CaCO3]400
Flow, augmented water400
Number of Events200

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IN0061786.

Inspections

DateWhat EPA recordedAgency
October 22, 2026EvaluationS

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 IN0061786.

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Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES IN0061786, held by GIBSON COUNTY COAL LLC - GIBSON MINE in Princeton, IN, which discharges to the Patoka River, and lists its permit status as administratively continued with a Minor Discharger class. The page shows 16 pollutants under a numeric limit and 11 pollutants with an effluent exceedance, and records the permit as issued September 13, 2018 with an expiration date of November 30, 2023.