Velarion Records

Clean Water Act discharge permit · NPDES SDR10J486

TWIN RIVERS CROSSING PHASE 1, Brandon, SD: NPDES SDR10J486 discharge permit, effluent exceedances, inspections, penalties

TWIN RIVERS CROSSING PHASE 1, held by Twin Rivers Crossing LLC, holds NPDES permit SDR10J486. EPA’s file records it issued July 1, 2019 and expiring March 31, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for TWIN RIVERS CROSSING PHASE 1: its NPDES ID, its permit type and status, its dates, its address in Brandon, South Dakota. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SDR10J486.

Identity

Facility as filedTWIN RIVERS CROSSING PHASE 1
Permittee as filedTwin Rivers Crossing LLC
NPDES IDSDR10J486
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJuly 1, 2019
Expiration dateMarch 31, 2023
Issuing agencyState
AddressBrandon, SD 57005
Receiving water impaired303(D) Listed
SubwatershedCactus Hills-Big Sioux River (HUC 101702031705)
NAICS236220 – Commercial and Institutional Building Construction
SIC1542 – Nonresidential Construction

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES SDR10J486.

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 SDR10J486.

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, SDR10J486.

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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 SDR10J486 there.

Nearby on the register

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

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