Laws & Regulations

CWA-09-2025-0077: Expedited Settlement Agreement; Bee Green Recycling & Supply, LLC, Oakland, CA

Proposed settlement of CWA Section 309(g) Class II Administrative Penalty in the matter of Bee Green Recycling & Supply, LLC, Oakland, California: EPA Docket Number CWA-09-2025-0077.

CAA Permitting in North Dakota

Air permitting in North Dakota

CAA Permitting in South Dakota

Air permitting in South Dakota

NPDES Permit for City of Eagle Butte Wastewater Treatment Facility in South Dakota

Under NPDES permit SD-0020192, the City of Eagle Butte, South Dakota, is authorized to discharge from its wastewater treatment facility within the Cheyenne River Sioux Reservation in Dewey County, South Dakota, to Green Grass Creek.

NPDES Permit for TC Energy - Northern Border Pipeline Company in Montana

Under NPDES permit MT-0030791, TC Energy - Northern Border Pipeline Company is authorized to discharge from locations located within the exterior boundaries of the Fort Peck Indian Reservation, Montana.

CAA Permitting in Wyoming

Air permitting in Wyoming

NPDES Permit for Prairie Knights Casino Wastewater Treatment Facility in North Dakota

Under NPDES permit number ND-0031135, the Prairie Knights Casino is authorized to discharge from its wastewater treatment facility in Sioux County, North Dakota to an unnamed tributary of Fool Bear Creek, tributary of the Missouri River.

NPDES Pretreatment Discharge Requirements for JM Shafer Generating Station in Colorado

Under NPDES permit number CO-PF00107, the JM Shafer Generating Station is authorized to discharge wastewaters to the City of Fort Lupton, Colorado, publicly operated treatment works (POTW).

NPDES Pretreatment Discharge Requirements for GSK-Hamilton Pharmaceuticals in Montana

Under NPDES control mechanism MT-PF00103, GSK-Hamilton is authorized to discharge wastewater to the City of Hamilton, Montana, publicly operated treatment works (POTW).

NPDES Permit for Northern Cheyenne Utilities Commission Lame Deer Lagoon Wastewater Treatment Facility in Montana

Final permit authorizes the Northern Cheyenne Utilities Commission to discharge from its Lame Deer Lagoon wastewater treatment facility located in Rosebud County, Montana to Lame Deer Creek, a tributary to Rosebud Creek.

NPDES Permit for U.S. Department of the Interior, Bureau of Land Management, Park Center Well in Colorado

Under NPDES permit number CO0035017, the U.S. Department of Interior – Bureau of Land Management is authorized to discharge from its Park Center Well in Fremont County, Colorado, to Fourmile Creek.

EPA to Hold Information Sessions Regarding Free Job Training

Release Date: June 5, 2026

Ozone (O3) Standards - Regulatory Impact Analysis from Review Completed in 2015

Regulatory Impact Analysis (RIA) documents supporting current review of the ozone NAAQS.

Region 5 Vapor Intrusion Guidebook

Lessons learned and best practices regarding the process for evaluating the vapor intrusion (VI) pathway at Superfund sites in Region 5.

NPDES Permits for Net Pen Aquaculture Facilities Discharging to Rufus Woods Lake in Washington

NPDES wastewater permits for net pen aquaculture facilities discharging to Rufus Woods Lake on the Confederated Tribes of the Colville Reservation (Pacific Aquaculture Sites #1-3, and Faith Frontier Ministries Chief Joseph Fish Farm).

NPDES Permit for Dworshak Dam in Idaho

EPA's NPDES discharge permit for the Dworshak Dam located on the Nez Perce Reservation near Ahsahka, Idaho.

Delegations of New Source Performance Standards (NSPS) and National Emission Standards for Hazardous Air Pollutants (NESHAP) in the Pacific Northwest

Clean Air Act Title V program reviews conducted by EPA for delegated and approved permitting programs in Region 10 (Alaska, Idaho, Oregon, Washington.)