Velarion Records

Clean Water Act discharge permit · NPDES SDR10P546

WASTEWATER INFRASTRUCTURE IMPROVEMENTS PHASE I, Bison, SD: NPDES SDR10P546 discharge permit, effluent exceedances, inspections, penalties

WASTEWATER INFRASTRUCTURE IMPROVEMENTS PHASE I, held by Brosz Engineering, holds NPDES permit SDR10P546. EPA’s file records it issued April 22, 2024 and expiring October 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 WASTEWATER INFRASTRUCTURE IMPROVEMENTS PHASE I: its NPDES ID, its permit type and status, its dates, its address in Bison, South Dakota. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SDR10P546.

Identity

Facility as filedWASTEWATER INFRASTRUCTURE IMPROVEMENTS PHASE I
Permittee as filedBrosz Engineering
NPDES IDSDR10P546
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedApril 22, 2024
Expiration dateOctober 31, 2028
Issuing agencySDDANR
AddressBison, SD 57620
SubwatershedTown of Bison-Thunder Butte Creek (HUC 101303060303)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES SDR10P546.

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 SDR10P546.

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, SDR10P546.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 SDR10P546 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

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