Data and Tools
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Updated 7th DWINSA System Level Service Lines
Updated 7th DWINSA System Level Service Lines
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Updated 7th DWINSA State Level Service Lines
Updated 7th DWINSA State Level Service Lines.
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Watershed Academy Webcast - The Condition of U.S. Lakes and Streams: Findings from the National Aquatic Resource Surveys
Archive for the Watershed Academy Webcast titled “The Condition of U.S. Lakes and Streams: Findings from the National Aquatic Resource Surveys” held on March 23, 2017
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Using CAST to Develop Implementation Plans that Meet Loading Targets in the Chesapeake Bay Watershed
Archive for the Watershed Academy Webcast titled “Using CAST to Develop Implementation Plans that Meet Loading Targets in the Chesapeake Bay Watershed” held on November 9, 2017
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Using the Surface Water Toolbox for Estimating Critical Flow Statistics
: Archive for the Watershed Academy Webcast titled “Using the Surface Water Toolbox for Estimating Critical Flow Statistics” held on February 8, 2018
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Watershed Academy Webcast - Model My Watershed: A Tool for Water Resource Management
Archive for the Watershed Academy Webcast titled “Model My Watershed: A Tool for Water Resource Management” held on March 9, 2017
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State Legislation on Ocean & Coastal Acidification Webinar
State Legislation on Ocean & Coastal Acidification
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Lifecycle Analysis of Greenhouse Gas Emissions under the Renewable Fuel Standard
This page provides guidance on how a company may petition EPA for a new renewable fuel pathway.
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IRIS Multi-Year Agenda (Dec 2015)
This page includes supporting files to the IRIS Agenda.
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AQS Wind Speed and direction parameter change
AQS Wind Speed and direction parameter change
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A Set of US Reference Images – Methodology
Find out how visualizations of carbon dioxide can be used to make it 'real' (physical) and not just a number, providing a sense of scale.
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GHGRP Power Plants
Overview and data highlights of 2022 power plant emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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Air Quality - National Summary
National summary of air quality trends and status
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SafeWater Multi-Contaminant Benefit-Cost (MCBC) Model and Associated Files – Final Rule
Webpage for SafeWater Multi-Contaminant Benefit-Cost (MCBC) model files. The SafeWater MCBC model was used to estimate the benefits and costs of the national primary drinking water regulation for per-and polyfluoroalkyl substances (PFAS).
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Access to State-Issued Permits for Region 5
Electronic permits information for air permits issued by Region 5 states (IL, IN, MI, MN, OH, WI).
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PRIA Antimicrobial New Registration - Unregistered Active Ingredient and Products
PRIA fee determination decision tree
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PRIA Antimicrobial Active Ingredient - Other Actions - Science Reassessment
PRIA fee determination decision tree
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PRIA Antimicrobial Active Ingredient - Other Actions - Protocol Rebuttal
PRIA fee determination decision tree
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Cesium’s Movement in the Natural Environment
EPA has studied Cesium’s interactions with the natural environment at the bench, pilot and field-scale.
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Cesium’s Interaction in the Built Environment
EPA experimentally assessed the migration of cesium into urban materials, including asphalt, brick, concrete, limestone, and granite.