Clean Water Act discharge permit · NPDES IA0076791

SIOUXLAND ENERGY COOPERATIVE, Sioux Center, IA: NPDES IA0076791 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
7Pollutants under a numeric limit
3Pollutants with an effluent exceedance

SIOUXLAND ENERGY COOPERATIVE holds NPDES permit IA0076791. EPA’s file records it issued July 1, 2020 and expiring June 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 filed	SIOUXLAND ENERGY COOPERATIVE
Permittee as filed	SIOUXLAND ENERGY COOPERATIVE
NPDES ID	IA0076791
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	July 1, 2020
Expiration date	June 30, 2025
Issuing agency	STA
Address	Sioux Center, IA 51250
Subwatershed	Upper Sixmile Creek (HUC 101702032001)
NAICS	325193 – Ethyl Alcohol Manufacturing
SIC	2869 – Industrial Organic Chemicals
Other EPA IDs (FRS)	RCRA handler IAR000525964; ICIS-AIR source IA0000001916700094

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

8Pollutants on file
7Under a numeric limit
4With a violation of any kind
3With an effluent exceedance

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 measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Solids, total dissolved	0	61	37	October 31, 2010	1,233% over the limit
Iron, total [as Fe]	4	52	32	October 31, 2009	50,415% over the limit
Chlorine, total residual	4	27	19	October 31, 2020	2,571% over the limit
pH	2	8	0
Solids, total suspended	4	0	0
Sulfate, total [as SO4]	4	0	0
Oxygen demand, chem. [high level] [COD]	2	0	0
Oxygen, dissolved [DO]	1	0	0

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IA0076791.

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 IA0076791 there.

Nearby on the register

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

This public-records page covers NPDES permit IA0076791, held by SIOUXLAND ENERGY COOPERATIVE in Sioux Center, IA, and lists its status as administratively continued with a Minor Discharger class of 7. The page reports 3 pollutants under a numeric limit and 3 pollutants with an effluent exceedance, and gives the permit's issue date of July 1, 2020 and expiration date of June 30, 2025.