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Clean Water Act discharge permit · NPDES IA0021563

FOREST CITY CITY OF STP, Forest City, IA: NPDES IA0021563 discharge permit, effluent exceedances, inspections, penalties

FOREST CITY CITY OF STP, held by CITY OF FOREST CITY, holds NPDES permit IA0021563. EPA’s file records it issued May 1, 2020 and expiring April 30, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedFOREST CITY CITY OF STP
Permittee as filedCITY OF FOREST CITY
NPDES IDIA0021563
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedMay 1, 2020
Expiration dateApril 30, 2025
Issuing agencySTA
AddressForest City, IA 50436
SubwatershedMallard Marsh-Winnebago River (HUC 070802030109)
Program components on fileBiosolids, POTW
NAICS221320 – Sewage Treatment Facilities
SIC4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

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
Nitrogen, ammonia total [as N]4811July 31, 2025113% over the limit
Copper, total [as Cu]411August 31, 20257% over the limit
Solids, total suspended980
BOD, carbonaceous [5 day, 20 C]480
Nitrogen, total [as N]740
pH540
Oxygen, dissolved [DO]140
Toxicity [acute], Pimephales promelas [Fathead Minnow]110
Phosphorus, total [as P]1000
BOD, 5-day, 20 deg. C500
Nitrogen, Kjeldahl, total [as N]500
E. coli100
Toxicity [acute], Ceriodaphnia dubia100

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IA0021563.

Inspections

EPA’s inspection file holds no inspection for NPDES IA0021563.

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 IA0021563.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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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 Clean Water Act discharge permit NPDES IA0021563 for FOREST CITY CITY OF STP in Forest City, IA, held by CITY OF FOREST CITY, and lists its status as administratively continued with a discharger class of Major. The page reports 13 pollutants under a numeric limit and 2 pollutants with an effluent exceedance, within the Mallard Marsh-Winnebago River (HUC 070802030109) subwatershed.