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NPDES IA0023388 · Clean Water Act

CLARKSVILLE CITY OF STP, Clarksville, IA: NPDES IA0023388 discharge permit, effluent exceedances, inspections, penalties

CLARKSVILLE CITY OF STP, Clarksville, Iowa: Individual permit IA0023388, held by CITY OF CLARKSVILLE; Publicly owned treatment works; Administratively continued; issued October 1, 2018, term to September 30, 2023, by STA; Sewage Treatment Facilities.

5 of the 9 pollutants listed for NPDES IA0023388 have no violation or effluent exceedance.

  • pH: 5 limits, 54 violations of any kind, 5 effluent exceedances, latest May 31, 2016.
  • BOD, carbonaceous [5 day, 20 C]: 5 limits, 52 violations of any kind, 3 effluent exceedances, latest June 30, 2021, largest 527% over the limit.
  • Solids, total suspended: 10 limits, 51 violations of any kind, 2 effluent exceedances, latest June 30, 2021, largest 43% over the limit.
  • Nitrogen, total [as N]: 5 limits, 42 violations of any kind.
  • Nitrogen, ammonia total [as N]: 48 limits.
  • BOD, 5-day, 20 deg. C: 5 limits.
  • Oil & Grease: 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; 387 were issued before IA0023388.

Coverages issued nearest IA0023388

CLARKSVILLE CITY OF STP among its neighbors

2 discharge permits are in the Heery Woods State Park-Shell Rock River subwatershed (HUC 070802020704); IA0023388 is one. Its county: 10, 0 major; IA0023388 is minor permit.

Other permits in the Heery Woods State Park-Shell Rock River subwatershed (HUC 070802020704)

Identity

FacilityCLARKSVILLE CITY OF STP
PermitteeCITY OF CLARKSVILLE
NPDES IDIA0023388
StatusAdministratively continued
TypeIndividual permit
ClassMinor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedOctober 1, 2018
ExpiresSeptember 30, 2023
AgencySTA
AddressClarksville, IA 50619
SubwatershedHeery Woods State Park-Shell Rock River (HUC 070802020704)
NAICS221320 – Sewage Treatment Facilities
SIC4952 – Sewerage Systems

NPDES IA0023388: effluent limits and exceedances

CLARKSVILLE CITY OF STP (NPDES IA0023388): 9 pollutants on file, 9 limited; 4 with a violation of any kind, 3 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
pH5545May 31, 2016
BOD, carbonaceous [5 day, 20 C]5523June 30, 2021527% over the limit
Solids, total suspended10512June 30, 202143% over the limit
Nitrogen, total [as N]5420
Nitrogen, ammonia total [as N]4800
BOD, 5-day, 20 deg. C500
Oil & Grease500
E. coli300
Depth of pond or reservoir in feet300

NPDES IA0023388: inspections, violations and enforcement

NPDES IA0023388 (CLARKSVILLE CITY OF STP): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES IA0023388

NPDES IA0023388: 9 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.