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NPDES KY0021245 · Clean Water Act

HYDEN STP, Hyden, KY: NPDES KY0021245 discharge permit, effluent exceedances, inspections, penalties

HYDEN STP, Hyden, Kentucky: Individual permit KY0021245, held by Hyden STP; Publicly owned treatment works; Administratively continued; issued August 12, 2014, term to September 30, 2019; discharges to KENTUCKY RIVER / MIDDLE FORK; Sewage Treatment Facilities.

  • E. coli: 2 limits, 114 violations of any kind, 112 effluent exceedances, latest April 30, 2026, largest 1,762% over the limit.
  • Nitrogen, ammonia total [as N]: 12 limits, 83 violations of any kind, 63 effluent exceedances, latest December 31, 2023, largest 385% over the limit.
  • BOD, carbonaceous [5 day, 20 C]: 8 limits, 60 violations of any kind, 54 effluent exceedances, latest April 30, 2026, largest 548% over the limit.
  • Cadmium, total recoverable: 2 limits, 40 violations of any kind, 29 effluent exceedances, latest September 30, 2018, largest 487% over the limit.
  • Solids, total suspended: 8 limits, 32 violations of any kind, 26 effluent exceedances, latest February 28, 2026, largest 5,896% over the limit.
  • Oxygen, dissolved [DO]: 1 limit, 27 violations of any kind, 26 effluent exceedances, latest May 31, 2026, largest 100% over the limit.
  • Solids, suspended percent removal: 1 limit, 19 violations of any kind, 16 effluent exceedances, latest February 28, 2026, largest 240% over the limit.
  • Coliform, fecal general: 0 limits, 14 violations of any kind, 14 effluent exceedances, latest June 30, 2005, largest 350% over the limit.
  • Copper, total recoverable: 2 limits, 20 violations of any kind, 9 effluent exceedances, latest December 31, 2007, largest 1,431% over the limit.
  • Chlorine, total residual: 0 limits, 18 violations of any kind, 2 effluent exceedances, latest December 31, 2003, largest 7,374% over the limit.
  • BOD, 5-day, percent removal: 0 limits, 2 violations of any kind, 2 effluent exceedances, latest May 31, 2005, largest 53% over the limit.
  • Lead, total recoverable: 2 limits, 12 violations of any kind, 1 effluent exceedance, latest June 30, 2006, largest 20% over the limit.
  • pH: 4 limits, 7 violations of any kind, 1 effluent exceedance, latest September 30, 2020.
  • Flow, in conduit or thru treatment plant: 4 limits, 95 violations of any kind.
  • Phosphorus, total [as P]: 4 limits, 8 violations of any kind.
  • Hardness, total [as CaCO3]: 2 limits, 6 violations of any kind.
  • Nitrogen, total [as N]: 2 limits, 4 violations of any kind.
  • Cadmium, dissolved [as Cd]: 0 limits, 4 violations of any kind.
  • Copper, dissolved [as Cu]: 0 limits, 4 violations of any kind.
  • Lead, dissolved [as Pb]: 0 limits, 4 violations of any kind.
  • Zinc, total recoverable: 2 limits, 2 violations of any kind.
  • Selenium, sludge, total, dry weight [as Se]: 2 limits, 2 violations of any kind.
  • Silver, total dry weight, sludge mt: 2 limits, 2 violations of any kind.
  • Arsenic total, dry weight, sludge: 2 limits, 2 violations of any kind.
  • Solids, total, sludge, percent: 2 limits, 2 violations of any kind.
  • Molybdenum, sludge, total, dry weight [as Mo]: 2 limits, 2 violations of any kind.
  • Zinc, sludge, total, dry weight [as Zn]: 2 limits, 2 violations of any kind.
  • Lead, sludge, total, dry weight [as Pb]: 2 limits, 2 violations of any kind.
  • Nickel, sludge, total, dry weight [as Ni]: 2 limits, 2 violations of any kind.
  • Mercury, sludge, total, dry weight [as Hg]: 2 limits, 2 violations of any kind.
  • Chromium, sludge, total, dry weight [as Cr]: 2 limits, 2 violations of any kind.
  • Copper, sludge, total, dry weight [as Cu]: 2 limits, 2 violations of any kind.
  • Cadmium, sludge, total, dry weight [as Cd]: 2 limits, 2 violations of any kind.
  • Phosphorus, sludge, total, dry weight [as P]: 2 limits, 2 violations of any kind.
  • BOD, carb-5 day, 20 deg C, percent removal: 1 limit, 2 violations of any kind.
  • Zinc, dissolved [as Zn]: 0 limits, 2 violations of any kind.
  • Ann. amt sludge disposed by other method: 1 limit, 1 violation of any kind.
  • Annual amt of sludge incinerated: 1 limit, 1 violation of any kind.
  • Annual amount of sludge land applied: 1 limit, 1 violation of any kind.
  • Annual amt sludge disposed in landfill: 1 limit, 1 violation of any kind.
  • October 15, 2026: Notice of Violation (State).
  • September 14, 2026: Notice of Violation (State).
  • September 8, 2026: Evaluation (S).
  • August 11, 2026: Notice of Violation (State).
  • July 13, 2026: Sampling (S).

Kentucky holds 294 Publicly owned treatment works coverages of this permit type in EPA’s file; 50 were issued before KY0021245.

Coverages issued nearest KY0021245

HYDEN STP among its neighbors

4 discharge permits are in the Bull Creek-Middle Fork Kentucky River subwatershed (HUC 051002020207); KY0021245 is one. Its county: 13, 0 major; KY0021245 is minor permit.

Other permits in the Bull Creek-Middle Fork Kentucky River subwatershed (HUC 051002020207)

Identity

FacilityHYDEN STP
PermitteeHyden STP
NPDES IDKY0021245
StatusAdministratively continued
TypeIndividual permit
ClassMinor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedAugust 12, 2014
ExpiresSeptember 30, 2019
AddressHyden, KY 41749
Receiving waterKENTUCKY RIVER / MIDDLE FORK
Receiving water impaired303(D) Listed
SubwatershedBull Creek-Middle Fork Kentucky River (HUC 051002020207)
NAICS221320 – Sewage Treatment Facilities
SIC4952 – Sewerage Systems

NPDES KY0021245: effluent limits and exceedances

HYDEN STP (NPDES KY0021245): 40 pollutants on file, 33 limited; 40 with a violation of any kind, 13 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
E. coli2114112April 30, 20261,762% over the limit
Nitrogen, ammonia total [as N]128363December 31, 2023385% over the limit
BOD, carbonaceous [5 day, 20 C]86054April 30, 2026548% over the limit
Cadmium, total recoverable24029September 30, 2018487% over the limit
Solids, total suspended83226February 28, 20265,896% over the limit
Oxygen, dissolved [DO]12726May 31, 2026100% over the limit
Solids, suspended percent removal11916February 28, 2026240% over the limit
Coliform, fecal general01414June 30, 2005350% over the limit
Copper, total recoverable2209December 31, 20071,431% over the limit
Chlorine, total residual0182December 31, 20037,374% over the limit
BOD, 5-day, percent removal022May 31, 200553% over the limit
Lead, total recoverable2121June 30, 200620% over the limit
pH471September 30, 2020
Flow, in conduit or thru treatment plant4950
Phosphorus, total [as P]480
Hardness, total [as CaCO3]260
Nitrogen, total [as N]240
Cadmium, dissolved [as Cd]040
Copper, dissolved [as Cu]040
Lead, dissolved [as Pb]040
Zinc, total recoverable220
Selenium, sludge, total, dry weight [as Se]220
Silver, total dry weight, sludge mt220
Arsenic total, dry weight, sludge220
Solids, total, sludge, percent220
Molybdenum, sludge, total, dry weight [as Mo]220
Zinc, sludge, total, dry weight [as Zn]220
Lead, sludge, total, dry weight [as Pb]220
Nickel, sludge, total, dry weight [as Ni]220
Mercury, sludge, total, dry weight [as Hg]220
Chromium, sludge, total, dry weight [as Cr]220
Copper, sludge, total, dry weight [as Cu]220
Cadmium, sludge, total, dry weight [as Cd]220
Phosphorus, sludge, total, dry weight [as P]220
BOD, carb-5 day, 20 deg C, percent removal120
Zinc, dissolved [as Zn]020
Ann. amt sludge disposed by other method110
Annual amt of sludge incinerated110
Annual amount of sludge land applied110
Annual amt sludge disposed in landfill110

NPDES KY0021245: inspections, violations and enforcement

NPDES KY0021245: 2 inspections

DateWhat EPA recordedAgency
September 8, 2026EvaluationS
July 13, 2026SamplingS

NPDES KY0021245: 3 informal enforcement actions

DateWhat EPA recordedAgency
October 15, 2026Notice of ViolationState
September 14, 2026Notice of ViolationState
August 11, 2026Notice of ViolationState

NPDES KY0021245 (HYDEN STP): no single-event violation and formal enforcement action on file.

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Permits near NPDES KY0021245

NPDES KY0021245: 40 pollutant rows, 5 dated events; ICIS-NPDES download, loaded October 14, 2026.