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Clean Water Act discharge permit · NPDES IA0082449

MAASSEN & SONS, Maurice, IA: NPDES IA0082449 discharge permit, effluent exceedances, inspections, penalties

MAASSEN & SONS, held by Leroy Maassen, holds NPDES permit IA0082449. EPA’s file records it issued June 1, 2020 and expiring May 31, 2025.

MAASSEN & SONS, Maurice, Iowa: Individual permit IA0082449, held by Leroy Maassen; Administratively continued (past its expiration date and still in force until reissued); issued June 1, 2020, term to May 31, 2025, by STA; Cattle Feedlots.

MAASSEN & SONS among its neighbors

EPA’s permit file holds 4 discharge permits in the Orange City Slough subwatershed (HUC 102300020405), IA0082449 among them. Its county holds 80, 2 of them major permits; IA0082449 is a minor permit.

Other permits in the Orange City Slough subwatershed (HUC 102300020405)

What the register holds for MAASSEN & SONS: its NPDES ID, its permit type and status, its dates, its address in Maurice, Iowa. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IA0082449.

Identity

Facility as filedMAASSEN & SONS
Permittee as filedLeroy Maassen
NPDES IDIA0082449
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 1, 2020
Expiration dateMay 31, 2025
Issuing agencySTA
AddressMaurice, IA 51036
SubwatershedOrange City Slough (HUC 102300020405)
NAICS112112 – Cattle Feedlots
SIC0211 – Beef Cattle Feedlots

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES IA0082449.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IA0082449.

Inspections

EPA’s inspection file holds no inspection for NPDES IA0082449.

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 IA0082449.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IA0082449.

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Nearby on the register

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

What this page shows

Violations are on file for 9.1% of the 66 individual permits in Sioux County. The Orange City Slough subwatershed (HUC 102300020405) includes 4 NPDES permits, MAASSEN & SONS among them. Of those 66 permits, 59.1% were issued before the permit for MAASSEN & SONS.