Clean Water Act discharge permit · NPDES NDPG00024

TRI W-G INC., Valley City, ND: NPDES NDPG00024 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
12Pollutants under a numeric limit
0Pollutants with an effluent exceedance

TRI W-G INC., held by Tri W-G Inc., holds NPDES permit NDPG00024. EPA’s file records it issued June 27, 2023 and expiring June 30, 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.

Identity

Facility as filed	TRI W-G INC.
Permittee as filed	Tri W-G Inc.
NPDES ID	NDPG00024
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	June 27, 2023
Expiration date	June 30, 2028
Issuing agency	North Dakota Department of Environmental Quality
Address	Valley City, ND 58072
Receiving water impaired	303(D) Listed
Subwatershed	Adams Slough-Sheyenne River (HUC 090202040107)
Other EPA IDs (FRS)	RCRA handler NDD986271328

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

12Pollutants on file
12Under a numeric limit
3With a violation of any kind
0With 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
Flow, process wastewater	2	2
pH	2	1
Flow, total	1	1
Cyanide, total [as CN]	2	0
Cadmium, total [as Cd]	2	0
Chromium, total [as Cr]	2	0
Copper, total [as Cu]	2	0
Lead, total [as Pb]	2	0
Nickel, total [as Ni]	2	0
Silver, total [as Ag]	2	0
Zinc, total [as Zn]	2	0
Total toxic organics [TTO] [40 CFR433]	1	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES NDPG00024.

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 NDPG00024.

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 NDPG00024 there.

Nearby on the register

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

This public-records page covers NPDES permit NDPG00024, held by Tri W-G Inc. in Valley City, ND, a minor discharger under a permit listed as effective, issued June 27, 2023 and expiring June 30, 2028. The facts list 12 pollutants on file, 12 of them under a numeric limit, 3 with a violation of any kind, and 0 with an effluent exceedance.