Collections and Lists

Stakeholder Webinar (Oct. 2023): Natural Gas & Petroleum Systems in the GHG Inventory

GHGI October 2023 Webinar Supporting Materials

2010 Sulfur Dioxide National Ambient Air Quality Standards Implementation Actions

Read about the EPA's infrastructure actions for the 2011 primary SO2 NAAQS. These actions are regarding states' failure to submit SIPs addressing various parts of the standards.

Public Water System Supervision (PWSS) Grant Program

This page discusses the water system supervision grant program for the United States and territories.

UIC Permit: PAS2R308AALL

Rocksauce Operating LLC Class II UIC Rule Authorization in Pennsylvania

UIC Permit: PAS2R420BMCK

Class II-R UIC Permit: PAS2R420BMCK for Sandstone Development LLC in McKean County, Pennsylvania

Clean Water Act Section 303(d): Impaired Waters and Total Maximum Daily Loads (TMDLs)

The 303(d) program provides guidance and technical resources to assist States in submitting lists of impaired waterbodies and the development of Total Maximum Daily Loads of the pollutant causing the impairment.

UIC Permit: PAS2R410BMCK

This is a copy of the UIC permit for Pennhills Resources, LLC in McKean County, Pennsylvania.

Indoor Air Quality Topics in the Spotlight

List of link to popular IAQ topics.

Environmental Economics

Resource Directory for the National Center for Environmental Economics

UIC Permit: VAS2D907BDIC

EnerVest UIC Class II disposal injection permit

Drinking Water Requirements for States and Public Water Systems

Access information on implementing drinking water rules; as well as training materials and resources for small public water systems.

Kansas Operating Permit Approval History

Information on permitting in Kansas and EPA's oversight.

Public Notification Compliance Help for Primacy Agencies

Primacy agencies are the entities that regulate drinking water systems. Primacy agencies and states can use the following information to assist in PN compliance.

Resources

This will serve as a landing page for the child links under Resources in the sidebar navigation menu.

Frequently Asked Questions for Participatory Science

This is a frequently asked questions page for participatory science and includes common questions and answers with links to helpful resources.

Participatory Science Tribal Projects

This page will highlight tribal participatory science projects throughout the regions that EPA has been involved in. There will be links to more resources, EPA's story map, and how to get involved in more tribal citizen science projects and opportunities.