Laws & Regulations

City of Bloomfield, Iowa - Clean Water Act Public Notice

The EPA is providing notice of a proposed Administrative Penalty Assessment against the City of Bloomfield, IA, a municipality, for alleged violations of its National Pollutant Discharge Elimination System permit (permit No. IA-0047929) for discharges from

Managing Your USTs in Indian Country: Compliance Assistance Fact Sheets

Review a series of compliance assistance brochures that help UST owners and operators in Indian country comply with regulations.

Clean Air Act Permitting in Idaho

Clean Air Act permitting authorities for Idaho.

NPDES Permit for City of Hardin Wastewater Treatment Plant in Montana

NPDES permit and statement of basis authorizes discharge from the City of Hardin, Montana wastewater treatment plant to the Bighorn River.

NPDES Permit for American Gilsonite Company – Bonanza Mine in Utah

Under NPDES permit number UT-0000167, the American Gilsonite Company is authorized to discharge from its mining operation at its Bonanza Mine in Uintah County, Utah, to Coyote Wash, and various unnamed tributaries of Coyote Wash and the White River.

NPDES Permit for City of Wolf Point Wastewater Treatment Facility in Montana

NPDES permit and statement of basis authorizes discharge from the City of Wolf Point, Montana, wastewater treatment facility to a ditch leading to the Missouri River.

NPDES Permit for American Gilsonite Company – Cottonwood Mine in Utah

Under NPDES permit number UT-0025259, the American Gilsonite Company is authorized to discharge from its mining operation at its Cottonwood Mine in Uintah County, Utah, to multiple unnamed ephemeral drainage tributaries to the White River.

NPDES Permit for Colorado National Monument in Colorado

Under National Pollutant Discharge Elimination System permit number CO0034975, the National Park Service is directed to have no discharge from the wastewater treatment lagoons at the Colorado National Monument in Mesa County, Colorado.

NPDES Permit for Crossfire-Bonds Gravel Pit in Colorado

Under National Pollutant Discharge Elimination System permit number CO-0035024, the Crossfire-Bonds Gravel Pit is authorized to discharge from its wastewater treatement facility in Plata County, Colorado, to Deer Canyon, a tributary of the Animas River.

NPDES Permit for Leadville National Fish Hatchery in Colorado

NPDES permit and statement of basis authorize discharge of treated water from settling ponds of the Leadville National Fish Hatchery to an unnamed tributary to Hunt Gulch, which flows into Lake Fork, a tributary to the Arkansas River.

Revised Sediment TMDL for the Indian Creek Watershed in Montgomery County, Pennsylvania

Documents, files, and information regarding the revised sediment TMDL for the Indian Creek Watershed. Montgomery County, Pennsylvania.

EPA’s Additions to Indiana’s 2020 Impaired Waters List

Documents related to EPA’s Decision on Indiana’s 2020 Section 303(d) list of impaired waters

State Revolving Fund Capitalization Grant Reallotment Procedure

This memorandum explains the procedure for capitalization grant reallotment in the Clean Water and Drinking Water State Revolving Fund (CWSRF and DWSRF) programs.

Third Party TMDL Development Toolkit

Water Environment Federation's toolkit provides basic steps in which an organization or group other than the lead water quality agency takes responsibility for developing the TMDL document and supporting analysis.

Options for Expressing Daily Loads in TMDLs

The draft document provides technical options for developing daily load expressions in TMDLs calculated using time frames greater than daily allocations.

Listing Waters Impaired by Atmospheric Mercury: Voluntary Subcategory 5m for States with Comprehensive Mercury Reduction Programs

The document presents information regarding a voluntary approach for listing waters impaired by mercury predominantly from atmospheric sources pursuant to Clean Water Act Section 303(d), also known as “subcategory 5m.”