Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES SDLG28661

SPRING CREEK/COW CREEK SANITARY DISTRICT, Pierre, SD: NPDES SDLG28661 discharge permit, effluent exceedances, inspections, penalties

SPRING CREEK/COW CREEK SANITARY DISTRICT, held by Spring Creek/Cow Creek Sanitary District (Biosolids), holds NPDES permit SDLG28661, which discharges to Missouri River (Lake Oahe). EPA’s file records it issued October 30, 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 SPRING CREEK/COW CREEK SANITARY DISTRICT: its NPDES ID, its permit type and status, its dates, its address in Pierre, South Dakota, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SDLG28661.

Identity

Facility as filedSPRING CREEK/COW CREEK SANITARY DISTRICT
Permittee as filedSpring Creek/Cow Creek Sanitary District (Biosolids)
NPDES IDSDLG28661
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedOctober 30, 2025
Expiration dateAugust 31, 2028
Issuing agencySDDANR
AddressPierre, SD 57501
Receiving waterMissouri River (Lake Oahe)
SubwatershedCow Creek (HUC 101301051904)

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 SDLG28661.

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 SDLG28661.

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, SDLG28661.

Start the watch

How often?
  • 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 SDLG28661 there.

Nearby on the register

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

What this page shows

The SPRING CREEK/COW CREEK SANITARY DISTRICT permit is the only NPDES permit in the Cow Creek subwatershed (HUC 101301051904), this one included. Of the 6 general permit coverages in Hughes County, this one included, 83.3% were issued earlier than this permit, and 16.7% carry a violation on file, a count this permit does not share, since it has none of the 0 pollutants with a numeric limit or effluent exceedance.