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NPDES IA0030708 · Clean Water Act

AVOCA CITY OF STP, Avoca, IA: NPDES IA0030708 discharge permit, effluent exceedances, inspections, penalties

AVOCA CITY OF STP, Avoca, Iowa: Individual permit IA0030708, held by CITY OF AVOCA; Publicly owned treatment works; Administratively continued; issued June 1, 2020, term to May 31, 2025, by STA; Sewage Treatment Facilities.

6 of the 7 pollutants listed for NPDES IA0030708 have no violation or effluent exceedance.

  • pH: 5 limits, 4 violations of any kind, 4 effluent exceedances, latest February 28, 2021.
  • Solids, total suspended: 10 limits.
  • Depth of pond or reservoir in feet: 6 limits.
  • BOD, 5-day, 20 deg. C: 5 limits.
  • Nitrogen, ammonia total [as N]: 5 limits.
  • BOD, carbonaceous [5 day, 20 C]: 5 limits.
  • E. coli: 3 limits.

Iowa holds 734 Publicly owned treatment works coverages of this permit type in EPA’s file; 541 were issued before IA0030708.

Coverages issued nearest IA0030708

AVOCA CITY OF STP among its neighbors

6 discharge permits are in the City of Harlan-West Nishnabotna River subwatershed (HUC 102400020209); IA0030708 is one. Its county: 37, 2 major; IA0030708 is minor permit.

Other permits in the City of Harlan-West Nishnabotna River subwatershed (HUC 102400020209)

Identity

FacilityAVOCA CITY OF STP
PermitteeCITY OF AVOCA
NPDES IDIA0030708
StatusAdministratively continued
TypeIndividual permit
ClassMinor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJune 1, 2020
ExpiresMay 31, 2025
AgencySTA
AddressAvoca, IA 51521
SubwatershedCity of Harlan-West Nishnabotna River (HUC 102400020209)
NAICS221320 – Sewage Treatment Facilities
SIC4952 – Sewerage Systems

NPDES IA0030708: effluent limits and exceedances

AVOCA CITY OF STP (NPDES IA0030708): 7 pollutants on file, 7 limited; 1 with a violation of any kind, 1 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
pH544February 28, 2021
Solids, total suspended1000
Depth of pond or reservoir in feet600
BOD, 5-day, 20 deg. C500
Nitrogen, ammonia total [as N]500
BOD, carbonaceous [5 day, 20 C]500
E. coli300

NPDES IA0030708: inspections, violations and enforcement

NPDES IA0030708 (AVOCA CITY OF STP): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES IA0030708

NPDES IA0030708: 7 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.