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NPDES IA0021954 · Clean Water Act

HOLSTEIN CITY OF STP, Holstein, IA: NPDES IA0021954 discharge permit, effluent exceedances, inspections, penalties

HOLSTEIN CITY OF STP, Holstein, Iowa: Individual permit IA0021954, held by CITY OF HOLSTEIN; Publicly owned treatment works; Administratively continued; issued January 1, 2018, term to December 31, 2022, by STA.

4 of the 9 pollutants listed for NPDES IA0021954 have no violation or effluent exceedance.

  • Flow, in conduit or thru treatment plant: 0 limits, 70 violations of any kind, 67 effluent exceedances, latest June 30, 2011, largest 436% over the limit.
  • Nitrogen, ammonia total [as N]: 48 limits, 13 violations of any kind, 13 effluent exceedances, latest June 30, 2026, largest 320% over the limit.
  • BOD, carbonaceous [5 day, 20 C]: 5 limits, 8 violations of any kind, 2 effluent exceedances, latest May 31, 2003, largest 40% over the limit.
  • Solids, total suspended: 10 limits, 5 violations of any kind, 1 effluent exceedance, latest October 31, 2002, largest 50% over the limit.
  • pH: 5 limits, 3 violations of any kind, 1 effluent exceedance, latest April 30, 2026.
  • BOD, 5-day, 20 deg. C: 5 limits.
  • Chloride [as Cl]: 5 limits.
  • E. coli: 3 limits.
  • Depth of pond or reservoir in feet: 3 limits.

Iowa holds 734 Publicly owned treatment works coverages of this permit type in EPA’s file; 299 were issued before IA0021954.

Coverages issued nearest IA0021954

HOLSTEIN CITY OF STP among its neighbors

1 discharge permits are in the Battle Creek subwatershed (HUC 102300050301); IA0021954 is one. Its county: 12, 0 major; IA0021954 is minor permit.

Identity

FacilityHOLSTEIN CITY OF STP
PermitteeCITY OF HOLSTEIN
NPDES IDIA0021954
StatusAdministratively continued
TypeIndividual permit
ClassMinor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJanuary 1, 2018
ExpiresDecember 31, 2022
AgencySTA
AddressHolstein, IA 51025
SubwatershedBattle Creek (HUC 102300050301)

NPDES IA0021954: effluent limits and exceedances

HOLSTEIN CITY OF STP (NPDES IA0021954): 9 pollutants on file, 8 limited; 5 with a violation of any kind, 5 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
Flow, in conduit or thru treatment plant07067June 30, 2011436% over the limit
Nitrogen, ammonia total [as N]481313June 30, 2026320% over the limit
BOD, carbonaceous [5 day, 20 C]582May 31, 200340% over the limit
Solids, total suspended1051October 31, 200250% over the limit
pH531April 30, 2026
BOD, 5-day, 20 deg. C500
Chloride [as Cl]500
E. coli300
Depth of pond or reservoir in feet300

NPDES IA0021954: inspections, violations and enforcement

NPDES IA0021954 (HOLSTEIN CITY OF STP): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES IA0021954

NPDES IA0021954: 9 pollutant rows, 0 dated events; ICIS-NPDES download, loaded September 15, 2026.