Data and Tools

WATERS Terms of Use and Disclaimer

The Reach Address Database (RAD) stores reach address information for each Water Program feature that has been linked to the underlying surface water features (streams, lakes, etc) in the National Hydrology Database (NHD) Plus dataset.

Dissolved Oxygen

This page introduces the dissolved oxygen module, when to list dissolved oxygen as a candidate cause, ways to measure dissolved oxygen, simple and detailed conceptual model diagrams for dissolved oxygen, and references for this module.

PFAS Science Webinars for EPA Region 1 and State & Tribal Partners

ORD is hosting PFAS Science Webinars on September 16 and 23 for EPA Region 1 and state & tribal partners. The purpose of these webinars is to provide PFAS information and research updates to Region 1 and New England states and tribes.

Watershed Management Optimization Support Tool Webinar Archive

EPA’s Watershed Management Optimization Support Tool (WMOST) is a decision-support tool to facilitate integrated water management at the watershed and community scales.

Research to Support Lead Exposure Mitigation Webinar Archive

This EPA Tools & Resources webinar highlighted EPA research to support actions to reduce lead exposures and related health risks as part of the Federal Action Plan to Reduce Childhood Lead Exposures and Associated Health Impacts.

PFAS Treatment in Biosolids – State of the Science

The presentation provides a summary of EPA’s past, ongoing and proposed research on PFAS in biosolids.

Source Emissions Measurement Methods and Modeling Air Emissions, Transport and Deposition

This presentation provided an update on source emission measurement approaches and methods to support comprehensive emissions characterizations, including industrial, chemical manufacturing and thermal treatment/combustion sources.

PFAS Treatment in Drinking Water and Wastewater – State of the Science

This presentation provides an overview of ORD’s research on drinking water and wastewater treatment, including resources and capabilities that can be helpful to regions and states.

PFAS and Emerging Contaminant Technology Transfer to States and Tribes Webinar Archive

This EPA Tools & Resources webinar, recorded October 18th, provides an overview of Non-Targeted Analysis (NTA) and how it can be/is being used to help states and tribes identify PFAS and other emerging contaminants.

Environmental Resilience Tools Wizard Training Webinar Archive

Webinar archive page for the tools and resources training webinar on the Environmental Resilience Wizard

Food Waste Research Webinar Archive

Archive page of the Food Waste Research webinar hosted by EPA ORD.

GHGRP Supplier Highlights

Fuel and industrial GHG supplier highlights of 2023 emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.

GHGRP: Reporting Year 2021 Data Release Webinar Slides

GHGRP 2021 Data Release webinar slides

GHGRP Newsletters

Landing page for GHGRP newsletters, highlighting the most recent version as well as all archived versions

GHGRP Newsletter - Spring 2024

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

U.S. Priority Tributaries

Ten U.S. tributaries were assigned a target to reduce total annual phosphorus and/or phosphorus during spring (defined as March through July).

WASP8 Download

All of the WASP Installers are listed below. There is a 64 Bit Windows Installer, 64 Bit Mac OS X (Yosemite or Higher), 64 Bit Linux (Built on Ubuntu). You will need to have knowledge on how to install software on your target operating system.

Healthy Watersheds Integrated Assessment Reports

This page provides the assessment reports for healthy watersheds

2017 Preliminary Healthy Watersheds Assessments Files

download PHWA

Water Filter Education: Customize Your Handouts

EPA and its partners have developed educational resources to help community members properly use and maintain water filters, including a toolkit and customizable handouts.