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Clean Water Act discharge permit · NPDES IA0053366

SHELL ROCK SOY PROCESSING LLC, Shell Rock, IA: NPDES IA0053366 discharge permit, effluent exceedances, inspections, penalties

SHELL ROCK SOY PROCESSING LLC holds NPDES permit IA0053366. EPA’s file records it issued May 1, 2022 and expiring April 30, 2027. 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 filedSHELL ROCK SOY PROCESSING LLC
Permittee as filedSHELL ROCK SOY PROCESSING LLC
NPDES IDIA0053366
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMay 1, 2022
Expiration dateApril 30, 2027
Issuing agencySTA
AddressShell Rock, IA 50670
SubwatershedShell Rock River (HUC 070802020705)
Other EPA IDs (FRS)RCRA handler IAR000529131; ICIS-AIR source IA0009000001204012

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

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, nitrate total [as N]26460June 30, 202678% over the limit
Chlorine, total residual42622August 31, 20255,529% over the limit
pH273February 28, 2026
Temperature, water deg. fahrenheit2020

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 IA0053366.

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 IA0053366 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 NPDES permit IA0053366, held by SHELL ROCK SOY PROCESSING LLC in Shell Rock, IA, with the permit status listed as Effective and classified as a Minor discharger. The page reports 4 pollutants on file, 4 under a numeric limit, 4 with a violation of any kind, and 3 with an effluent exceedance.