Data and Tools

WhAEM2000 BBM Files - Elm River, South Dakota

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

WhAEM2000 BBM Files - Sioux Falls, South Dakota

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

Meteorological Data

30 year meteorological data files taken at 237 weather stations located throughout the United States for a period extending from 1961 to 1990.

AQUATOX Release 3.2 Fact Sheet

AQUATOX Release 3.2 was designed to extend the existing AQUATOX estuarine version to include improved capabilities for situations encountered in the nearshore marine environment. Several changes were required to model food webs in the marine environment.

AQUATOX 3.1 Fact Sheet

AQUATOX Release 3.1 includes numerous enhancements designed to improve model performance, more closely match data requirements with generally available data, improve data manipulation and analysis, and increase user friendliness.

EPA Pacific Southwest (Region 9) RTOC Meeting Materials

Collection of historic and upcoming meeting materials from Region 9 Regional Tribal Operations Committee (RTOC) meetings.

Unacceptable and Acceptable Substitutes Tables

Landing page for substitute tables.

Redevelopment at Federal Facilities

Reusing Federal Facility sites makes a visible difference in communities – enabling job opportunities, strengthening local economies and providing priority services.

Modified Total Direct Cost (MTDC) Base Tool

EPA has provided a Modified Total Direct Cost (MTDC) Base Tool which breaks down cost categories and their allowability. Topics within this tool include but are not limited to supplies, travel, fringe benefits, equipment, and construction.

Allowance Allocation Methodology for 2022

This page describes the steps EPA took to calculate each entity receiving allowances for calendar year 2022. The list of current allowance holders is available on the Issuing Allowance Allocations web page.

Phasedown of Hydrofluorocarbons (HFCs): Issuing Allowance Allocations for 2022

The American Innovation and Manufacturing (AIM) Act was enacted by Congress on December 27, 2020. The AIM Act directs the U.S. Environmental Protection Agency (EPA) to address the environmental impact of HFCs.

Phasedown of Hydrofluorocarbons (HFCs): Issuing Allowance Allocations for 2024

The American Innovation and Manufacturing (AIM) Act was enacted by Congress on December 27, 2020. The AIM Act directs the U.S. Environmental Protection Agency (EPA) to address the environmental impact of HFCs.

Phasedown of Hydrofluorocarbons (HFCs): Issuing Allowance Allocations for 2025

The American Innovation and Manufacturing (AIM) Act was enacted by Congress on December 27, 2020. The AIM Act directs the U.S. Environmental Protection Agency (EPA) to address the environmental impact of HFCs.

EPA Grants Policy Resources

EPA grant policies may impact EPA assistance agreement recipients. Refer to the EPA grant policies below for specific information that may be pertinent to your grants.

Clean Watersheds Needs Survey (CWNS) – 2022 Report and Data

The total wastewater and stormwater management needs for the nation are $298.1 billion as of January 1, 2008.

Clean Watersheds Needs Survey (CWNS) – 2000 Report and Data

The CWNS 2000 Report to Congress summarizes the results of EPA's thirteenth national survey.

Additional Questions for Public Trust Positions – Branching

Supplement to the Standard Form 85P, Questionnaire for Public Trust Positions.

General Conformity Training Module 2.5: Proactive Role for Federal Agencies

Module 2.5 explains how taking a proactive role will allow a federal agency to more effectively participate in newly promulgated programs under the General Conformity Regulations, such as the emission reduction credits and the emission budgets programs.

AQS Memos - Quality Assurance & Audits

FY 2011 Pollution Prevention Grant Results Summary

The Pollution Prevention Program reports the environmental results of grants. These grants produce annual environmental results in pounds of hazardous materials reduced, BTUs of energy, water and dollars saved.