Laws & Regulations

NPDES Permit for Mesa Verde National Park Wastewater Treatment Facilities in Colorado

Under NPDES permit number CO0034398, the United States Department of the Interior, National Park Service, Mesa Verde National Park is authorized to discharge from its wastewater treatment facilities in Montezuma County, Colorado.

NPDES Permit for Jocko River Trout Hatchery in Montana

Under NPDES permit MT-0030546, the Jocko River Trout Hatchery is authorized to discharge wastewater from its fish hatchery in Lake County, Montana to to the Jocko River.

NPDES Permit for St. Ignatius Southside Wastewater Treatment Facility in Montana

Under NPDES permit MT-0029017, the Salish and Kootenai Housing Authority of the Confederated Salish and Kootenai Tribes is authorized to discharge from its wastewater treatment facility in Lake County, Montana to an unnamed tributary of Sabine Creek.

NPDES Permit for City of Ronan Wastewater Treatment Facility in Montana

Under NPDES permits MT-0021474, the City of Ronan, Montana is authorized to discharge from its wastewater treatment facility in Lake County to an unnamed tributary to Crow Creek.

NPDES Permit for City of Poplar Wastewater Treatment Facility in Montana

Under NPDES permit MT0030597, the City of Poplar is authorized to discharge from its wastewater treatment facility in Roosevelt County to an unnamed tributary to the Missouri River.

NPDES Permit for Wild Horse Hot Springs in Montana

Under National Pollutant Discharge Elimination System permit number MT0000005, Wild Horse Hot Springs is authorized to discharge from from its geothermal soaking establishment in Lake County to an unnamed tributary of the Little Bitterroot River.

NPDES Permit for Wesco Operating, Inc., Lander Field in Wyoming

Indian Country, Minor, indust., non-discharge, permit WY-0000221 Wesco Operating, Inc., is directed to have no discharge from the Lander Field NW Discharge oil production site in Fremont County, Wyoming.

NPDES Permit for Town of Lodge Grass Wastewater Treatment Facility in Montana

Under National Pollutant Discharge Elimination System permit number MT0021890, the Town of Lodge Grass is authorized to discharge from from its wastewater treatment facility in Big Horn County to an unnamed slough to the Little Bighorn River.

NPDES Permit for Yellowtail Dam Wastewater Treatment Facility in Montana

Under NPDES permit MT-0022993, the U.S. Bureau of Reclamation is authorized to discharge from its wastewater treatment facility located at the Yellowtail Dam Field Office in Big Horn County, Montana, to the Yellowtail Afterbay Reservoir/Bighorn River.

Corrections to TRI Regulations: Final Rule

EPA has finalized corrections to existing regulatory language for the Toxics Release Inventory (TRI) Program that updates identifiers, formulas, and names for certain TRI-listed chemicals described in the Code of Federal Regulations (CFR).

TRI for the Press

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Affordable Clean Energy Rule Presentation

EPA presentation of the main elements of the Affordable Clean Energy rule

Risk Assessment Document for Coke Oven MACT Residual Risk

The residual risk analysis described in this report addresses four coke plants subject to the 1993
coke oven MACT standards (40 CFR Part 63 Subpart L) and estimates potential risks due to HAPs
emissions from facilities involved in coking operations.

Source Test Report for the 205 Delayed Coking Unit Drum 205-1201 and Drum 205-1202 Depressurization Vents (Marathon Petroleum Company LLC)

The 2010 Source Test was performed during the atmospheric depressurization step of the delayed coking process prior to the removal of petroleum coke from the coke drum. The 205 DCU was operated under a variety of conditions during the 2010 Source Test.

Test Report Emission Test Program EPA Information Collection Request for Delayed Coking Units 736 Coker Unit

ARI Environmental, Inc. (ARI) was retained by Houston Refining LP (HRO) to conduct an emission test program at their refinery located in Houston, Texas. The testing was conducted on on the 736 Delayed Coking Unit (DCU) in response to EPA's ICR.

Evaluation of the Effectiveness of the Implementation Tools for the National Emission Standards for Hazardous Air Pollutants for Aerospace Manufacturing and Rework Facilties

This April 2004 report evaluated the effectiveness of the EPA's implementation tools for the Aerospace Manufacturing NESHAP, read the report to discover its findings.