Clean Water Act discharge permit · NPDES ND0020010

GWINNER CITY OF, Gwinner, ND: NPDES ND0020010 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
16Pollutants under a numeric limit
1Pollutants with an effluent exceedance

GWINNER CITY OF, held by Gwinner City Of, holds NPDES permit ND0020010, which discharges to Western Wild Rice. EPA’s file records it issued September 27, 2019 and expiring September 30, 2024. 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.

Identity

Facility as filed	GWINNER CITY OF
Permittee as filed	Gwinner City Of
NPDES ID	ND0020010
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	September 27, 2019
Expiration date	September 30, 2024
Issuing agency	North Dakota Department of Environmental Quality
Address	Gwinner, ND 58040
Receiving water	Western Wild Rice
Subwatershed	Hultman Lake (HUC 090201050603)

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

Effluent limits and exceedances

16Pollutants on file
16Under a numeric limit
12With a violation of any kind
1With an effluent exceedance

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 measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Solids, total suspended	3	2	2	September 30, 2023	45% over the limit
Cyanide, total [as CN]	4	7	0
Hardness, total [as CaCO3]	2	4	0
Cadmium, total [as Cd]	2	4	0
Chromium, total [as Cr]	2	4	0
Copper, total [as Cu]	2	4	0
Lead, total [as Pb]	2	4	0
Nickel, total [as Ni]	2	4	0
Silver, total [as Ag]	2	4	0
Zinc, total [as Zn]	2	4	0
Oil and grease, hexane extr method	1	1	0
Oil and grease visual	1	1	0
BOD, 5-day, 20 deg. C	3	0	0
pH	2	0	0
Flow, total	1	0	0
Duration of discharge	1	0	0

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ND0020010.

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 ND0020010 there.

Nearby on the register

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

This public-records page covers NPDES permit ND0020010, held by GWINNER CITY OF in Gwinner, ND, a minor discharger permit issued by the North Dakota Department of Environmental Quality that discharges to Western Wild Rice within the Hultman Lake subwatershed (HUC 090201050603). The page lists 16 pollutants on file, of which 12 are under a numeric limit and 1 has an effluent exceedance.