Clean Water Act discharge permit · NPDES WYR105877

CHALK BLUFF GAS PLANT AND PIPELINE PROJECT, WY: NPDES WYR105877 discharge permit, effluent exceedances, inspections, penalties

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

CHALK BLUFF GAS PLANT AND PIPELINE PROJECT, held by Roaring Fork Midstream, LLC, holds NPDES permit WYR105877. EPA’s file records it issued April 22, 2016 and expiring February 1, 2020.

CHALK BLUFF GAS PLANT AND PIPELINE PROJECT, Wyoming: Coverage under a general permit WYR105877, held by Roaring Fork Midstream, LLC; Administratively continued (past its expiration date and still in force until reissued); issued April 22, 2016, term to February 1, 2020.

Other permits held by Roaring Fork Midstream, LLC

CHALK BLUFF NGL LINE: WYR106010, issued April 22, 2016
NORTH SILO HIGH PRESSURE CRUDE OIL PIPELINE PROJECT: WYR106035, issued April 22, 2016
TRUE GATHERING LINE PROJECT: WYR106054, issued April 22, 2016
NORTH SILO CRUDE OIL TERMINAL: WYR106063, issued April 22, 2016
NSR GATHERING SYSTEM: WYR106085, issued April 22, 2016
HELIS GATHERING SYSTEM: WYR106090, issued April 22, 2016
ROARING FORK-EOG GATHERING SYSTEM: WYR106103, issued April 22, 2016
NSR WELL CONNECTS, (Unknown City): WYR106421, issued September 11, 2020

CHALK BLUFF GAS PLANT AND PIPELINE PROJECT among its neighbors

EPA’s permit file holds 38 discharge permits in the Diamond Creek-Crow Creek subwatershed (HUC 101900090107), WYR105877 among them.

Other permits in the Diamond Creek-Crow Creek subwatershed (HUC 101900090107)

ARMY AVIATION SUPPORT FACILITY, Cheyenne: WYR001571, minor permit, discharging to CROW CREEK (ABOVE AVENUE C IN CHEYENNE) (2AB), permit term to May 31, 2024
CAMPSTOOL TO ALLISON DRAW 115 KV TRANSMISSION LINE, (Unknown City): WYR106631, minor permit, permit term to August 1, 2025
CHEYENNE BD OF PUB UTILITIES, Cheyenne: WYL650002, minor permit, permit term to December 31, 2025
CHEYENNE BOARD OF PUBLIC UTILITIES, Cheyenne: WYL022934, minor permit, permit term to December 31, 2025
CHEYENNE COUNTRY WEST, Unknown: WYR106070, minor permit, permit term to February 1, 2020
CHEYENNE HAULING AND TRANSFER STATION, Cheyenne: WYR001624, minor permit, permit term to May 31, 2028
CHEYENNE PRAIRIE GENERATING STATION, Cheyenne: WY0097001, minor permit, permit term to October 31, 2030
CHEYENNE PRAIRIE GENERATING STATION NATURAL GAS PIPELINE, Unknown: WYR104873, minor permit, permit term to July 1, 2014
CHEYENNE REGIONAL AIRPORT, Cheyenne: WYS000020, minor permit, discharging to CROW CREEK (REMAINDER) (2C), permit term to December 31, 2030
CHEYENNE RENEWABLE DIESEL COMPANY LLC, Cheyenne: WY0000442, major permit, discharging to CROW CREEK (REMAINDER) (2C), permit term to March 31, 2028

What the register holds for CHALK BLUFF GAS PLANT AND PIPELINE PROJECT: its NPDES ID, its permit type and status, its dates, its address, Wyoming. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES WYR105877.

Identity

Facility as filed	CHALK BLUFF GAS PLANT AND PIPELINE PROJECT
Permittee as filed	Roaring Fork Midstream, LLC
NPDES ID	WYR105877
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	April 22, 2016
Expiration date	February 1, 2020
Address	WY
Subwatershed	Diamond Creek-Crow Creek (HUC 101900090107)

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 WYR105877.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES WYR105877.

Inspections

EPA’s inspection file holds no inspection for NPDES WYR105877.

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 WYR105877.

Watch this permit

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Nearby on the register

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

This public-records page covers the Clean Water Act discharge permit WYR105877 for the Chalk Bluff Gas Plant and Pipeline Project in WY, held by Roaring Fork Midstream, LLC, with permit status listed as administratively continued, Minor Discharger class, and Subwatershed Diamond. The figures listed are 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.