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NPDES KY0103357 · Clean Water Act

RICHMOND SILVER CREEK STP, Richmond, KY: NPDES KY0103357 discharge permit, effluent exceedances, inspections, penalties

RICHMOND SILVER CREEK STP, Richmond, Kentucky: Individual permit KY0103357, held by Richmond Silver Creek STP; Publicly owned treatment works; Administratively continued; issued December 8, 2008, term to January 31, 2014; discharges to SILVER CRK.

9 of the 14 pollutants listed for NPDES KY0103357 have no violation or effluent exceedance.

  • Solids, suspended percent removal: 1 limit, 6 violations of any kind, 6 effluent exceedances, latest November 30, 2011, largest 107% over the limit.
  • BOD, carbonaceous [5 day, 20 C]: 8 limits, 4 violations of any kind, 4 effluent exceedances, latest March 31, 2017, largest 60% over the limit.
  • Toxicity, final conc toxicity units: 1 limit, 4 violations of any kind, 4 effluent exceedances, latest September 30, 2015, largest 99,999% over the limit.
  • Thallium, total recoverable: 0 limits, 2 violations of any kind.
  • Cyanide, free available: 0 limits, 2 violations of any kind.
  • Solids, total suspended: 8 limits.
  • Nitrogen, ammonia total [as N]: 8 limits.
  • Flow, in conduit or thru treatment plant: 4 limits.
  • pH: 2 limits.
  • Nitrogen, total [as N]: 2 limits.
  • Phosphorus, total [as P]: 2 limits.
  • E. coli: 2 limits.
  • Oxygen, dissolved [DO]: 1 limit.
  • BOD, carb-5 day, 20 deg C, percent removal: 1 limit.
  • September 16, 2022: Effluent Violations - Failed Toxicity Test (ST6).
  • August 22, 2018: Permit Violations - Violation Specified in Comment (ST6).

Kentucky holds 294 Publicly owned treatment works coverages of this permit type in EPA’s file; 16 were issued before KY0103357. Richmond Silver Creek STP holds 2 permits in Kentucky.

Other permits held by Richmond Silver Creek STP

Coverages issued nearest KY0103357

RICHMOND SILVER CREEK STP among its neighbors

29 discharge permits are in the Hays Fork-Silver Creek subwatershed (HUC 051002050202); KY0103357 is one. Its county: 126, 4 major; KY0103357 is major permit.

Other permits in the Hays Fork-Silver Creek subwatershed (HUC 051002050202)

Identity

FacilityRICHMOND SILVER CREEK STP
PermitteeRichmond Silver Creek STP
NPDES IDKY0103357
StatusAdministratively continued
TypeIndividual permit
ClassMajor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedDecember 8, 2008
ExpiresJanuary 31, 2014
AddressRichmond, KY 40475
Receiving waterSILVER CRK
SubwatershedHays Fork-Silver Creek (HUC 051002050202)

NPDES KY0103357: effluent limits and exceedances

RICHMOND SILVER CREEK STP (NPDES KY0103357): 14 pollutants on file, 12 limited; 5 with a violation of any kind, 3 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
Solids, suspended percent removal166November 30, 2011107% over the limit
BOD, carbonaceous [5 day, 20 C]844March 31, 201760% over the limit
Toxicity, final conc toxicity units144September 30, 201599,999% over the limit
Thallium, total recoverable020
Cyanide, free available020
Solids, total suspended800
Nitrogen, ammonia total [as N]800
Flow, in conduit or thru treatment plant400
pH200
Nitrogen, total [as N]200
Phosphorus, total [as P]200
E. coli200
Oxygen, dissolved [DO]100
BOD, carb-5 day, 20 deg C, percent removal100

NPDES KY0103357: inspections, violations and enforcement

NPDES KY0103357: 2 single-event violations

DateWhat EPA recordedAgency
September 16, 2022Effluent Violations - Failed Toxicity TestST6
August 22, 2018Permit Violations - Violation Specified in CommentST6

NPDES KY0103357 (RICHMOND SILVER CREEK STP): no inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES KY0103357

NPDES KY0103357: 14 pollutant rows, 2 dated events; ICIS-NPDES download, loaded September 15, 2026.