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Clean Water Act discharge permit · NPDES IA0020770

EDDYVILLE, CITY OF STP, Eddyville, IA: NPDES IA0020770 discharge permit, effluent exceedances, inspections, penalties

EDDYVILLE, CITY OF STP, held by CITY OF EDDYVILLE, holds NPDES permit IA0020770. EPA’s file records it issued April 1, 2022 and expiring March 31, 2027.

EDDYVILLE, CITY OF STP, Eddyville, Iowa: Individual permit IA0020770, held by CITY OF EDDYVILLE; Publicly owned treatment works; Effective; issued April 1, 2022, term to March 31, 2027, by STA; Sewage Treatment Facilities.

  • Chlorine, total residual: 4 limits, 93 violations of any kind, 37 effluent exceedances, latest November 30, 2018, largest 5,163% over the limit.
  • Nitrogen, ammonia total [as N]: 96 limits, 29 violations of any kind, 29 effluent exceedances, latest July 31, 2022, largest 206% over the limit.
  • Oxygen, dissolved [DO]: 1 limit, 31 violations of any kind, 28 effluent exceedances, latest July 31, 2026, largest 91% over the limit.
  • Solids, total suspended: 9 limits, 33 violations of any kind, 23 effluent exceedances, latest June 30, 2025, largest 11,567% over the limit.
  • pH: 5 limits, 28 violations of any kind, 23 effluent exceedances, latest May 31, 2026.
  • BOD, carbonaceous [5 day, 20 C]: 4 limits, 25 violations of any kind, 13 effluent exceedances, latest May 31, 2022, largest 13,630% over the limit.
  • Flow, in conduit or thru treatment plant: 0 limits, 10 violations of any kind, 10 effluent exceedances, latest August 31, 2011, largest 22,800% over the limit.
  • Coliform, fecal general: 0 limits, 3 violations of any kind, 3 effluent exceedances, latest July 31, 2015, largest 533% over the limit.
  • E. coli: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • BOD, 5-day, 20 deg. C: 5 limits, 0 violations of any kind, 0 effluent exceedances.
  • Nitrogen, total [as N]: 5 limits, 0 violations of any kind, 0 effluent exceedances.
  • Nitrogen, Kjeldahl, total [as N]: 5 limits, 0 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 5 limits, 0 violations of any kind, 0 effluent exceedances.
  • Chloride [as Cl]: 5 limits, 0 violations of any kind, 0 effluent exceedances.

Iowa holds 734 Publicly owned treatment works coverages of this permit type in EPA’s file; 681 were issued before IA0020770.

Coverages issued nearest IA0020770

EDDYVILLE, CITY OF STP among its neighbors

EPA’s permit file holds 3 discharge permits in the Brown Creek-Des Moines River subwatershed (HUC 071000090704), IA0020770 among them. Its county holds 17, 3 of them major permits; IA0020770 is a minor permit.

Other permits in the Brown Creek-Des Moines River subwatershed (HUC 071000090704)

Identity

Facility as filedEDDYVILLE, CITY OF STP
Permittee as filedCITY OF EDDYVILLE
NPDES IDIA0020770
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedApril 1, 2022
Expiration dateMarch 31, 2027
Issuing agencySTA
AddressEddyville, IA 52553
SubwatershedBrown Creek-Des Moines River (HUC 071000090704)
NAICS221320 – Sewage Treatment Facilities
SIC4952 – Sewerage Systems

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Chlorine, total residual49337November 30, 20185,163% over the limit
Nitrogen, ammonia total [as N]962929July 31, 2022206% over the limit
Oxygen, dissolved [DO]13128July 31, 202691% over the limit
Solids, total suspended93323June 30, 202511,567% over the limit
pH52823May 31, 2026
BOD, carbonaceous [5 day, 20 C]42513May 31, 202213,630% over the limit
Flow, in conduit or thru treatment plant01010August 31, 201122,800% over the limit
Coliform, fecal general033July 31, 2015533% over the limit
E. coli110
BOD, 5-day, 20 deg. C500
Nitrogen, total [as N]500
Nitrogen, Kjeldahl, total [as N]500
Phosphorus, total [as P]500
Chloride [as Cl]500

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IA0020770.

Inspections

EPA’s inspection file holds no inspection for NPDES IA0020770.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES IA0020770.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers NPDES permit IA0020770, held by CITY OF EDDYVILLE for the EDDYVILLE, CITY OF STP in Eddyville, IA, with an effluent limits summary listing 14 pollutants on file, 12 under a numeric limit, 9 with a violation of any kind, and 8 with an effluent exceedance. The permit is shown as Effective, a Minor discharger, issued April 1, 2022 and expiring March 31, 2027, with the status reflecting EPA's permit file as loaded on October 14, 2026.