Data and Tools

WhAEM2000 BBM Files - Evanston, Wyoming

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Evanston Quadrangle, Wyoming. Files serve as geographic basis for groundwater modeling.

WebICE Recent Additions

Web-based Interspecies Correlation Estimation application updates: Species Sensitivity Distribution modules for wildlife/aquatic species now include selection of multiple surrogate species.

WhAEM2000 BBM Files - South Pass, Wyoming

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for South Pass Quadrangle, Wyoming. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Yellowstone National Park South, Wyoming

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Yellowstone National Park South Quadrangle, Wyoming. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Worland, Wyoming

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Worland Quadrangle, Wyoming. Files serve as geographic basis for groundwater modeling.

Monitoring by Control Technique - Fabric Filters - Documents

Indian Environmental General Assistance Program (GAP) Funding

EPA Region 9 invites Indian Environmental General Assistance Program (GAP) grant proposals from federally recognized Tribal governments and eligible inter-Tribal consortia for Fiscal Year 2026-2027 (FY27) workplan program development activities.

WhAEM2000 BBM Files - Hendersonville, North Carolina

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Hendersonville Quadrangle, North Carolina. Files serve as geographic basis for groundwater modeling.

Clean Water Act Aquatic Life Benchmarks for PFAS

Aquatic life benchmark values for eight individual per- and polyfluoroalkyl substances (PFAS) developed by the U.S. Environmental Protection Agency.

Frequent Questions about Closeouts

EPA policy defines a closeout as the systematic process by which EPA determines that all required technical work under a grant or cooperative agreement has been completed by the recipient and EPA, and all applicable administrative requirements are met.

Cybersecurity Grant Condition for Other Recipients, Including Intertribal Consortia

Cybersecurity Grant condition for Other Recipients, including Intertribal Consortia as of July 6, 2015

National Recommended Water Quality Criteria - Human Health Criteria Table

Criteria published pursuant to Section 304(a) of the Clean Water Act (CWA) to provide guidance for states and tribes to use in adopting water quality standards.

EPA Subaward Policy Additional Resources

Frequent questions, training, and other helpful resources to assist EPA grant recipients with effective implementation and management of their subawards are below, and will be added as they become available.

How do I report an air quality problem?

Follow this link to report environmental problems. You can also contact your state or local agency with specific concerns. Return to Frequent Questions about AirData

Last published: December 18, 2025

Application Kit for Federal Assistance

The Federal Grant & Cooperative Agreement Act of 1977 requires Federal agencies to use a contract to acquire property or services that directly benefit the Federal government.This letter to the applicant explains the Application Kit for Federal Assistance.