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NPDES IA0035238 · Clean Water Act

CRESTON CITY OF STP, Creston, IA: NPDES IA0035238 discharge permit, effluent exceedances, inspections, penalties

CRESTON CITY OF STP, Creston, Iowa: Individual permit IA0035238, held by CITY OF CRESTON; Publicly owned treatment works; Administratively continued; issued July 1, 2015, term to June 30, 2020, by STA; Sewage Treatment Facilities.

  • Silver, total [as Ag]: 0 limits, 28 violations of any kind, 20 effluent exceedances, latest April 30, 2022, largest 368% over the limit.
  • Nitrogen, ammonia total [as N]: 0 limits, 6 violations of any kind, 6 effluent exceedances, latest June 30, 2026, largest 108% over the limit.
  • Oxygen, dissolved [DO]: 0 limits, 5 violations of any kind, 1 effluent exceedance, latest June 30, 2026, largest 18% over the limit.
  • Toxicity [acute], Ceriodaphnia dubia: 0 limits, 1 violation of any kind, 1 effluent exceedance, latest April 30, 2026, largest 100% over the limit.
  • Solids, total suspended: 0 limits, 8 violations of any kind.
  • Copper, total [as Cu]: 0 limits, 8 violations of any kind.
  • BOD, carbonaceous [5 day, 20 C]: 0 limits, 8 violations of any kind.
  • pH: 0 limits, 4 violations of any kind.

Iowa holds 734 Publicly owned treatment works coverages of this permit type in EPA’s file; 110 were issued before IA0035238. CITY OF CRESTON holds 2 permits in Iowa.

Other permits held by CITY OF CRESTON

Coverages issued nearest IA0035238

CRESTON CITY OF STP among its neighbors

1 discharge permits are in the West Platte River-Platte River subwatershed (HUC 102400120102); IA0035238 is one. Its county: 9, 1 major; IA0035238 is major permit.

Identity

FacilityCRESTON CITY OF STP
PermitteeCITY OF CRESTON
NPDES IDIA0035238
StatusAdministratively continued
TypeIndividual permit
ClassMajor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJuly 1, 2015
ExpiresJune 30, 2020
AgencySTA
AddressCreston, IA 50830
SubwatershedWest Platte River-Platte River (HUC 102400120102)
Program components on fileBiosolids, POTW
NAICS221320 – Sewage Treatment Facilities
SIC4952 – Sewerage Systems

NPDES IA0035238: effluent limits and exceedances

CRESTON CITY OF STP (NPDES IA0035238): 8 pollutants on file, 0 limited; 8 with a violation of any kind, 4 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
Silver, total [as Ag]02820April 30, 2022368% over the limit
Nitrogen, ammonia total [as N]066June 30, 2026108% over the limit
Oxygen, dissolved [DO]051June 30, 202618% over the limit
Toxicity [acute], Ceriodaphnia dubia011April 30, 2026100% over the limit
Solids, total suspended080
Copper, total [as Cu]080
BOD, carbonaceous [5 day, 20 C]080
pH040

NPDES IA0035238: inspections, violations and enforcement

NPDES IA0035238 (CRESTON CITY OF STP): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES IA0035238

NPDES IA0035238: 8 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.