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Clean Water Act discharge permit · NPDES SDG860014

DAKOTA DUNES (WTP), Dakota Dunes, SD: NPDES SDG860014 discharge permit, effluent exceedances, inspections, penalties

DAKOTA DUNES (WTP), held by DAKOTA DUNES WTP, holds NPDES permit SDG860014, which discharges to Big Sioux River Or Missouri River. EPA’s file records it issued November 30, 2018 and expiring September 30, 2021. 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 DAKOTA DUNES (WTP): its NPDES ID, its permit type and status, its dates, its address in Dakota Dunes, South Dakota, its receiving water, and 12 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SDG860014.

Identity

Facility as filedDAKOTA DUNES (WTP)
Permittee as filedDAKOTA DUNES WTP
NPDES IDSDG860014
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
IssuedNovember 30, 2018
Expiration dateSeptember 30, 2021
Issuing agencySDDANR
AddressDakota Dunes, SD 57049
Receiving waterBig Sioux River or Missouri River
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

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
pH400
Temperature, water deg. centigrade200
Flow rate200
Solids, total suspended200
Floating solids, waste or visible foam-visual200
Chlorine, total residual200
Flow, total200
Duration of discharge200
Conductivity100
Sulfate, total [as SO4]100
Fluoride, total [as F]100
Solids, total dissolved100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES SDG860014.

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 SDG860014.

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, SDG860014.

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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 SDG860014 there.

Nearby on the register

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