Clean Water Act discharge permit · NPDES SDLG22128
SIOUX FALLS, CITY OF (BIOSOLIDS), Sioux Falls, SD: NPDES SDLG22128 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SIOUX FALLS, CITY OF (BIOSOLIDS), held by Sioux Falls, City of (Biosolids), holds NPDES permit SDLG22128, which discharges to Big Sioux River. EPA’s file records it issued December 4, 2025 and expiring August 31, 2028. 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 SIOUX FALLS, CITY OF (BIOSOLIDS): its NPDES ID, its permit type and status, its dates, its address in Sioux Falls, South Dakota, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SDLG22128.
Identity
| Facility as filed | SIOUX FALLS, CITY OF (BIOSOLIDS) |
|---|---|
| Permittee as filed | Sioux Falls, City of (Biosolids) |
| NPDES ID | SDLG22128 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 4, 2025 |
| Expiration date | August 31, 2028 |
| Issuing agency | SDDANR |
| Address | Sioux Falls, SD 57104 |
| Receiving water | Big Sioux River |
| Subwatershed | Cactus Hills-Big Sioux River (HUC 101702031705) |
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 SDLG22128.
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 SDLG22128.
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, SDLG22128.
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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 SDLG22128 there.
Nearby on the register
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- Every permit record in South Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.