Clean Water Act discharge permit · NPDES COPU00107

TWISS AND WILSON DRILLING, INC., Wray, CO: NPDES COPU00107 discharge permit, effluent exceedances, inspections, penalties

PendingPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

TWISS AND WILSON DRILLING, INC. holds NPDES permit COPU00107.

TWISS AND WILSON DRILLING, INC., Wray, Colorado: Individual industrial user permit COPU00107; Pending.

TWISS AND WILSON DRILLING, INC. among its neighbors

Its county holds 51, 0 of them major permits; COPU00107 is a permit EPA has not classed major or minor.

Other permits in the county

1256 CATTLE COMPANY, Wray: COA934045, minor permit, permit term to January 10, 2027
AMERIGAIN CATTLE FEEDERS INC, Joes: COR431299, minor permit, permit term to March 31, 2029
BALLYNEAL WWTW, Yuma County: COE045000, minor permit, permit term to October 31, 2029
BOX ELDER RANCH, LLC, Wray: COA934080, minor permit, permit term to January 10, 2027
COBALT CATTLE COMPANY, LLC, Yuma: COA934096, minor permit, permit term to January 10, 2027
DETERDING, Wray: COG501990, minor permit, discharging to unnamed trib to the N Fork of Republican River, permit term to December 31, 2021
DREHER PIT, Yuma County: COG502065, minor permit, discharging to Adler Creek - Arikaree River, permit term to December 31, 2021
DRY CREEK FEEDERS, LLC, Wray: COA934014, minor permit, permit term to January 10, 2027
FIVE STAR FEEDLOT - BONNY FEEDERS, Idalia: COA934017, minor permit, permit term to January 10, 2027
JHL CONSTRUCTORS: WRAY MUNICIPAL AIRPORT, Wray: COR427962, minor permit, permit term to March 31, 2029

What the register holds for TWISS AND WILSON DRILLING, INC.: its NPDES ID, its permit type and status, its its address in Wray, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COPU00107.

Identity

Facility as filed	TWISS AND WILSON DRILLING, INC.
Permittee as filed	TWISS AND WILSON DRILLING, INC.
NPDES ID	COPU00107
Permit status	Pending
Permit type	Individual industrial user permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Address	Wray, CO 80758

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES COPU00107.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES COPU00107.

Inspections

EPA’s inspection file holds no inspection for NPDES COPU00107.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES COPU00107.

Watch this permit

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Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES COPU00107, held by TWISS AND WILSON DRILLING, INC. in Wray, CO, with a status of Pending and a Minor Discharger class. The register lists 0 pollutants on file, 0 under a numeric limit, 0 with a violation of any kind, and 0 with an effluent exceedance.