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Clean Water Act discharge permit · NPDES IA0032867

SABULA CITY OF STP, Sabula, IA: NPDES IA0032867 discharge permit, effluent exceedances, inspections, penalties

SABULA CITY OF STP, held by CITY OF SABULA, holds NPDES permit IA0032867. EPA’s file records it issued April 1, 2019 and expiring March 31, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedSABULA CITY OF STP
Permittee as filedCITY OF SABULA
NPDES IDIA0032867
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedApril 1, 2019
Expiration dateMarch 31, 2024
Issuing agencySTA
AddressSabula, IA 52070
Receiving water impaired303(D) Listed
SubwatershedSpring Lake-Mississippi River (HUC 070600051202)

Cited to the EPA ICIS-NPDES permit file (ECHO 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
pH5284May 31, 2025
Solids, total suspended9582September 30, 202273% over the limit
E. coli011October 31, 202414% over the limit
BOD, carbonaceous [5 day, 20 C]4520
Chlorine, total residual4480
BOD, 5-day, 20 deg. C500

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 IA0032867.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

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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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID IA0032867 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers the NPDES IA0032867 discharge permit held by the City of Sabula for the SABULA CITY OF STP in Sabula, IA, which is currently administratively continued and classed as a minor discharger. The permit's effluent limits list 6 pollutants on file, with 5 under a numeric limit and 3 showing an effluent exceedance.