Data and Tools

EnviroAtlas Data Download

EnviroAtlas National and Community data are made freely available for download.

AQS NO2 and SO2 NAAQS Revisions

AQS Memos - Lead monitors and the analyzing agency

Drinking Water System Operations in Wyoming and on Tribal Lands in EPA Region 8

This website is designed for the use of owners, operators, and administrative staff who work at public water supply systems in Wyoming and on Tribal lands within the jurisdiction of Region 8.

Global Change Explorer

GCX is a collection of EPA research products (tools, data, and approaches) relevant to global change impact assessments and response planning for those impacts.

State, Local and Tribal Inventory Tools

Learn about and download state, local, and Tribal greenhouse gas inventory tools to compile a GHG inventory for your jurisdiction.

Download the Local Greenhouse Gas Inventory Tool

Download the Tribal Greenhouse Gas Inventory Tool

Tribal Greenhouse Gas Inventory Tool

Use EPA's Tribal Greenhouse Gas Inventory Tool to compile a GHG inventory for your entire tribe or for tribal government operations, and to calculate emissions from many sectors.

Local Greenhouse Gas Inventory Tool

Use EPA's Local Greenhouse Gas Inventory Tool to evaluate community greenhouse gas emissions and compile a local- or municipal-level GHG inventory.

How to Share a Cycle with EPA

This explains how an Organization’s Assessment Administrator can choose to share a Draft or Working Copy (In Progress) Assessment cycle with EPA.

MOU for NHDPlus for USGS and EPA

MOU for NHDPlus for the USGS and EPA

How to Create a Combined Cycle in ATTAINS

NHDPlus in WATERS

A national copy of NHDPlus is stored in the WATERS database for use by services, applications and reporting tools.

Water Financing Tools

Tools for communities to obtain grants and analyze financial impacts.

SAM 2022 Chemical Methods Query Results

Selected Analytical Methods

SAM 2022 Radiochemical Methods Query Results

Selected Analytical Methods

United States Environmental Protection Agency Real Property Status Report SF 429

Used by recipients of Federal financial assistance to report real property status or to request agency instructions on real property that was/will be provided as Government Furnished Property (GFP) or acquired (i.e. purchased or constructed)

Key Grant Resources for Applicants and Recipients

Temporary page to assist grant applicants and recipients with locating pertinent resources during our agency web transformation efforts.