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NPDES IL0048321 · Clean Water Act

EXELON GENERATION COMPANY LLC, Braceville, IL: NPDES IL0048321 discharge permit, effluent exceedances, inspections, penalties

EXELON GENERATION COMPANY LLC, Braceville, Illinois: Individual permit IL0048321; Administratively continued; issued July 31, 2014, term to July 31, 2019; discharges to KANKAKEE RIVER; MAZON RIVER.

4 of the 14 pollutants listed for NPDES IL0048321 have no violation or effluent exceedance.

  • pH: 12 limits, 21 violations of any kind, 19 effluent exceedances, latest March 31, 2013.
  • BOD, 5-day, 20 deg. C: 0 limits, 6 violations of any kind, 6 effluent exceedances, latest April 30, 2011, largest 40% over the limit.
  • Solids, total suspended: 18 limits, 3 violations of any kind, 1 effluent exceedance, latest May 31, 2011, largest 43% over the limit.
  • Coliform, fecal general: 0 limits, 1 violation of any kind, 1 effluent exceedance, latest June 30, 1997, largest 99,999% over the limit.
  • Oxidants, total residual: 8 limits, 46 violations of any kind.
  • Chlorine usage: 8 limits, 3 violations of any kind.
  • Flow, in conduit or thru treatment plant: 30 limits, 2 violations of any kind.
  • Temperature, water deg. fahrenheit: 8 limits, 2 violations of any kind.
  • Chlorine, total residual: 4 limits, 2 violations of any kind.
  • Chlorination duration: 4 limits, 2 violations of any kind.
  • Oil & Grease: 18 limits.
  • Temperature, length of excursion: 4 limits.
  • Copper, total [as Cu]: 2 limits.
  • Iron, total [as Fe]: 2 limits.

Other permits held by EXELON GENERATION COMPANY LLC

EXELON GENERATION COMPANY LLC among its neighbors

9 discharge permits are in the City of Wilmington-Kankakee River subwatershed (HUC 071200011806); IL0048321 is one. Its county: 295, 33 major; IL0048321 is major permit.

Other permits in the City of Wilmington-Kankakee River subwatershed (HUC 071200011806)

Identity

FacilityEXELON GENERATION COMPANY LLC
PermitteeEXELON GENERATION COMPANY LLC
NPDES IDIL0048321
StatusAdministratively continued
TypeIndividual permit
ClassMajor
Facility typeNon-POTW
IssuedJuly 31, 2014
ExpiresJuly 31, 2019
AddressBraceville, IL 60407
Receiving waterKANKAKEE RIVER; MAZON RIVER
Receiving water impaired303(D) Listed
SubwatershedCity of Wilmington-Kankakee River (HUC 071200011806)
SIC4911 – Electric Services
Other EPA IDs (FRS)RCRA handler ILD000806505; ICIS-AIR source IL000197816AAB

NPDES IL0048321: effluent limits and exceedances

EXELON GENERATION COMPANY LLC (NPDES IL0048321): 14 pollutants on file, 12 limited; 10 with a violation of any kind, 4 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
pH122119March 31, 2013
BOD, 5-day, 20 deg. C066April 30, 201140% over the limit
Solids, total suspended1831May 31, 201143% over the limit
Coliform, fecal general011June 30, 199799,999% over the limit
Oxidants, total residual8460
Chlorine usage830
Flow, in conduit or thru treatment plant3020
Temperature, water deg. fahrenheit820
Chlorine, total residual420
Chlorination duration420
Oil & Grease1800
Temperature, length of excursion400
Copper, total [as Cu]200
Iron, total [as Fe]200

NPDES IL0048321: inspections, violations and enforcement

NPDES IL0048321 (EXELON GENERATION COMPANY LLC): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES IL0048321

NPDES IL0048321: 14 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.