Data and Tools
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Complete Lesson 1: Environmental Health 101
Introduces broad concept and why children may be particularly at risk from environmental health hazards by focusing on the differences between adults and children, highlighted by examining the four things all need to survive (air, water, food, shelter).
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Complete Lessons 1-9: Children's Health Curriculum
These lessons introduce the broad concept of environmental health and why children may be particularly at risk from environmental health hazards.
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Student Curriculum Downloads
Downloads for the student curriculum.
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Risk Communication at EPA: An Introduction to Practice Training Webinar Archive
This EPA Tools & Resources training webinar, recorded on October 3, 2025, focused on Risk Communication at EPA.
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FY 2014 APR
Presents detailed performance results, as measured against the targets established in EPA’s FY 2014 Annual Plan and Budget.
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Cuyahoga River AOC Boundary Map
Printable boundary map and shapefile of Cuyahoga River AOC.
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Detroit River AOC Boundary Map
This page presents various maps of the Detroit River AOC.
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Chemours Community Updates
Community Updates, Pompton Lakes Study Area, Pompton Lakes, New Jersey
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Computational Toxicology and Exposure APIs: Data Domains
The Computational Toxicology and Exposure APIs (CTX APIs) are organized into sets of “endpoints” by data domain.
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State GHG Emissions and Removals
State GHG Emissions and Removals
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Water Data and Tools
Provides the resources about Office of Water databases and applications as tools for your data research and information.
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Water Finance Clearinghouse
A database of financial assistance sources available to fund a variety of watershed protection projects.
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STOrage and RETrieval Dashboard
This page provides information about and a link to the STORET Warehouse Dashboard
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Frequent Questions about Closeouts
EPA policy defines a closeout as the systematic process by which EPA determines that all required technical work under a grant or cooperative agreement has been completed by the recipient and EPA, and all applicable administrative requirements are met.
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Rainfall Erosivity Factor Calculator
A calculator for determining if small construction projects can obtain a waiver from NPDES stormwater permitting.
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Cornell Mixing Zone Expert System
This page provides an overview Cornell Mixing Zone Expert System water quality modeling and decision support system designed for environmental impact assessment of mixing zones resulting from wastewater discharge from point sources
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Technical Support for DFLOW
This page contains common technical support questions related to DFLOW as well as a contact for further questions.
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DFLOW
A page containing the basic information and resources for DFLOW 3.1, a Windows-based tool developed to estimate user selected design stream flows for low flow analysis and water quality standards.
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Applications and Uses for DFLOW
This page talks about a DFLOW case study and the ability of the EPA and states to evaluate alternative flow statistics.
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HAWQS (Hydrologic and Water Quality System)
A water quantity and quality modeling system to evaluate the impacts of management alternatives, pollution control scenarios, and climate change scenarios on the quantity and quality of water at a national scale.