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Clean Water Act discharge permit · NPDES NDG589311

KENEL LAGOON SYSTEM, Fort Yates, ND: NPDES NDG589311 discharge permit, effluent exceedances, inspections, penalties

KENEL LAGOON SYSTEM, held by Standing Rock Sioux Tribe, holds NPDES permit NDG589311, which discharges to Lake Oahe. EPA’s file records it issued February 8, 2016 and expiring December 31, 2020. 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.

Identity

Facility as filedKENEL LAGOON SYSTEM
Permittee as filedStanding Rock Sioux Tribe
NPDES IDNDG589311
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedFebruary 8, 2016
Expiration dateDecember 31, 2020
AddressFort Yates, ND 58538
Receiving waterLAKE OAHE
SubwatershedLake Oahe-Myers Bay (HUC 101301020705)
NAICS221320 – Sewage Treatment Facilities
SIC4952 – Sewerage Systems

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

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
BOD, 5-day, 20 deg. C0120
pH0120
Solids, total suspended0120
Flow, in conduit or thru treatment plant0120
Oil & Grease060
Duration of discharge060
Oil and grease visual060

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES NDG589311.

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 NDG589311.

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.

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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 NDG589311 there.

Nearby on the register

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

What this page shows

The KENEL LAGOON SYSTEM permit is one of 1 NPDES permits in the Lake Oahe-Myers Bay subwatershed, including this one. Among the 11 POTW permits in its county, 36.4% carry a violation on file, and 18.2% of those 11 were issued before this permit's February 8, 2016 date.