Laws & Regulations

Federal Infrastructure Task Force to Improve Access to Safe Drinking Water and Basic Sanitation to Tribal Communities

A collection of documents that detail past accomplishments, current activities, and proposed strategies to address access to water and sanitation services on AI/AN lands.

NN0028193: Navajo Transitional Energy Company (NTEC); Navajo Coal Mine, Fruitland, NM

NPDES Permit #NN0028193 for Navajo Transitional Energy Company/Bisti Fuels LLC Navajo Coal Company Navajo Mine, San Juan County, NM.

AZ0024619: Moenkopi Utility Authority Wastewater Treatment Plant, Upper Village of Moenkopi, AZ

NPDES Permit No. AZ0024619 for Moenkopi Utility Authority (MUA) Upper Village of Moenkopi Wastewater Treatment Plant, Tuba City, Arizona.

AZ0024640: Six Mile Lagoon Wastewater Treatment Facility, Peridot, AZ

Authorization to Discharge Under NPDES Permit No. AZ0024640 for the San Carlos Apache Tribe Water Distribution and Wastewater Treatment Facilities Program's Six Mile Lagoon Wastewater Treatment Facility, Peridot, Arizona.

AZ0020524: City of Phoenix Water Services Department 91st Avenue WWTP, Tolleson, AZ

City of Phoenix Water Services Department NPDES Permit No. AZ0024627 for 91st Avenue Wastewater Treatment Plant.

AZ0024058: White Mountain Apache Tribe Whiteriver Sewage Lagoons, Whiteriver, AZ

Authorization to Discharge Under National Pollutant Discharge Elimination System (NPDES) Permit No. AZ0024058 for Tribal Utility Authority, White Mountain Apache Tribe Whiteriver Sewage Lagoons, Whiteriver, AZ.

AZ0024589: Hon-Dah Regional WWTF, McNary, AZ

NPDES Permit No. AZ0024589 for the White Mountain Apache Tribal Utility Authority's Tribe Hon-Dah Regional Wastewater Treatment Facility.

AZ0024635: ASARCO LLC Mission Complex, Sahuarita, AZ

National Pollutant Discharge Elimination System (NPDES) Permit No. AZ0024635 for ASARCO Mission Complex, 4201 West Pima Mine Road, Sahuarita, AZ 85629.

AZ0021415: Colorado River Sewage System Joint Venture: Parker, AZ

Colorado River Sewage System Joint Venture NPDES Permit, Fact Sheet, and Clean Water Act Section 401 Water Quality Certification

AZ0022837: Sunrise Park Resort - Sunrise Hotel Wastewater Treatment Plant, Greer, AZ

NPDES Fact Sheet and Permit No. AZ0022837 for White Mountain Apache Tribe Sunrise Hotel Wastewater Treatment Plant.

State Demolition Information

Contact information and guidances for each state and selected territories's environmental agencies and programs relevant to large-scale residential demolition including asbestos, lead, and open burning.

Colorado NPDES Permits

NPDES water permits issued by EPA in Colorado.

NPDES Permit for U.S. Department of Energy National Laboratory of the Rockies, South Table Mountain Municipal Separate Storm Sewer System in Colorado

Under NPDES permit number COR-042009, the U.S. Department of Energy is authorized to discharge from municipal separate storm sewer system outfalls at the National Renewable Energy laboratory, South Table Mountain site in Jefferson County, Colorado.

Water Quality Standards Regulations: Mississippi

Information related to Water Quality Standards for Mississippi.

Water Quality Standards Regulations: Kentucky

Information related to Water Quality Standards for Kentucky.

Engine Testing Regulations

This page provides links to the appropriate regulatory citations and includes published information related to the test procedures.

May 6, 2005, Transportation Conformity Rule That Addresses PM2.5 Precursors

This final rule, published by EPA on May 6, 2005, adds the following transportation-related PM2.5 precursors to the transportation conformity regulations: nitrogen oxides (NOx), volatile organic compounds (VOCs), sulfur oxides (SOx), and ammonia (NH3).