Data and Tools

Examples of Hydrology Assessments for Watershed Health

This page guides to develop a watershed health index for Hydrology assessment

Examples of Habitat Condition Assessments for Watershed Health

This page guides to develop a watershed health index for habitat assessment

Safer Chemical Ingredients List

EPA's Design for the Environment's evaluates chemicals within its distinct functional class based on health and environmental endpoints

Examples of Landscape Condition Assessments for Watershed Health

This page guides to develop a watershed health index for Landscape assessment

NHDPlus in WATERS

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

MOU for NHDPlus for USGS and EPA

MOU for NHDPlus for the USGS and EPA

Water Financing Tools

Tools for communities to obtain grants and analyze financial impacts.

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.

How to Create a Combined Cycle in ATTAINS

SEMS Search User Guide

Superfund is a program administered by the EPA to locate, investigate, and clean up the worst hazardous waste sites throughout the United States.

GHGRP Newsletter - Spring 2023

GHGRP newsletter with information about resource and data updates, webinars and other events, and other information

Annual Allotment of Federal Funds for States, Tribes, and Territories

EPA is authorized to provide grants to improve drinking water infrastructure in the U.S. territories. The Territorial Program is a component of the Drinking Water State Revolving Fund.

WhAEM2000 BBM Files - Shreveport North, Louisiana

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

WhAEM2000 BBM Files - Natchez, Louisiana

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

WhAEM2000 BBM Files - Ville Platte, Louisiana

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

WhAEM2000 BBM Files - Crystal, Michigan (Lower Penninsula)

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Crystal Lake Quadrangle, Michigan (Lower Peninsula). Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Grayling, Michigan (Lower Penninsula)

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Grayling Quadrangle, Michigan (Lower Peninsula). Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Houghton, Michigan (Lower Penninsula)

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Houghton Lake Quadrangle, Michigan (Lower Peninsula). Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Grand Portage, Michigan (Upper Penninsula)

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Grand Portage Quadrangle, Michigan (Upper Peninsula). Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Battle Lake, Minnesota

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