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Clean Water Act discharge permit · NPDES SDR10P5HE

MCCOOK LAKE REHABILITATION, North Sioux City, SD: NPDES SDR10P5HE discharge permit, effluent exceedances, inspections, penalties

MCCOOK LAKE REHABILITATION, held by Three Oaks Construction Inc, holds NPDES permit SDR10P5HE. EPA’s file records it issued April 14, 2025 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 MCCOOK LAKE REHABILITATION: its NPDES ID, its permit type and status, its dates, its address in North Sioux City, South Dakota. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SDR10P5HE.

Identity

Facility as filedMCCOOK LAKE REHABILITATION
Permittee as filedThree Oaks Construction Inc
NPDES IDSDR10P5HE
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedApril 14, 2025
Expiration dateOctober 31, 2028
Issuing agencySDDANR
AddressNorth Sioux City, SD 57049
Receiving water impaired303(D) Listed
SubwatershedWalnut Creek-Missouri River (HUC 101701011504)

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 SDR10P5HE.

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 SDR10P5HE.

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, SDR10P5HE.

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 SDR10P5HE there.

Nearby on the register

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