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Clean Water Act discharge permit · NPDES SDPIU0001

TWIN CITY FAN AEROVENT, Aberdeen, SD: NPDES SDPIU0001 discharge permit, effluent exceedances, inspections, penalties

TWIN CITY FAN AEROVENT, held by Twin City Fan Aerovent, holds NPDES permit SDPIU0001. EPA’s file records it issued January 1, 2022 and expiring December 31, 2026. 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.

What the register holds for TWIN CITY FAN AEROVENT: its NPDES ID, its permit type and status, its dates, its address in Aberdeen, South Dakota. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SDPIU0001.

Identity

Facility as filedTWIN CITY FAN AEROVENT
Permittee as filedTwin City Fan Aerovent
NPDES IDSDPIU0001
Permit statusEffective
Permit typeIndividual industrial user permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJanuary 1, 2022
Expiration dateDecember 31, 2026
Issuing agencyAberdeen, City Of
AddressAberdeen, SD 57401
Other EPA IDs (FRS)RCRA handler SD0000228296; ICIS-AIR source SD0000004601300009

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES SDPIU0001.

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 SDPIU0001.

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

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, SDPIU0001.

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How we handle your data → Privacy

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 SDPIU0001 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 Clean Water Act discharge permit NPDES SDPIU0001, held by Twin City Fan Aerovent in Aberdeen, South Dakota, with the permit listed as Effective, issued January 1, 2022, and expiring December 31, 2026. The page lists a discharger class of 0, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance.