Clean Water Act discharge permit · NPDES SDR10I01U
GRASSY KNOLL AND COTTONWOOD GROVE FARMS, White River, SD: NPDES SDR10I01U discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
GRASSY KNOLL AND COTTONWOOD GROVE FARMS, held by Cottonwood Knoll, LLC, holds NPDES permit SDR10I01U. EPA’s file records it issued November 12, 2021 and expiring February 15, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
What the register holds for GRASSY KNOLL AND COTTONWOOD GROVE FARMS: its NPDES ID, its permit type and status, its dates, its address in White River, South Dakota. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SDR10I01U.
Identity
| Facility as filed | GRASSY KNOLL AND COTTONWOOD GROVE FARMS |
|---|---|
| Permittee as filed | Cottonwood Knoll, LLC |
| NPDES ID | SDR10I01U |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | November 12, 2021 |
| Expiration date | February 15, 2022 |
| Issuing agency | U.S. EPA |
| Address | White River, SD 57579 |
| Subwatershed | Middle Cottonwood Creek (HUC 101402021303) |
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 SDR10I01U.
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 SDR10I01U.
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 SDR10I01U there.
Nearby on the register
- Discharge permits in White River
- Every permit record in White River, A to Z
- Discharge permits in South Dakota
- Every permit record in South Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.