Clean Water Act discharge permit · NPDES IAL038539

CITY OF OSKALOOSA, Oskaloosa, IA: NPDES IAL038539 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

CITY OF OSKALOOSA holds NPDES permit IAL038539. EPA’s file records it issued January 1, 2021 and expiring December 31, 2025. 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 filed	CITY OF OSKALOOSA
Permittee as filed	CITY OF OSKALOOSA
NPDES ID	IAL038539
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Associated permit record
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Biosolids
Issued	January 1, 2021
Expiration date	December 31, 2025
Address	Oskaloosa, IA 52577
Subwatershed	Muchakinock Creek (HUC 071000090402)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES IAL038539.

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

1Single-event violations

Date	What EPA recorded	Agency
October 10, 2024	PR: Biosolids - Land Application: Pollutant Limit Ceiling Violation (005 - Molybdenum - Maximum)	EP6

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.

Watch this permit

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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 IAL038539 there.

Nearby on the register

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

This public-records page covers NPDES permit IAL038539 held by CITY OF OSKALOOSA in Oskaloosa, IA, a minor discharger under the Biosolids program, with an administratively continued status and a stated issue date of January 1, 2021 and expiration date of December 31, 2025. The page lists 0 pollutants on file, 0 under a numeric limit, and 0 with an effluent exceedance for this permit, and it sits in the Muchakinock Creek subwatershed (HUC 071000090402).