Data and Tools
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Water Quality Surveillance and Response
A Water Quality Surveillance and Response System (SRS) is a framework designed to enhance a drinking water utility’s capability to quickly detect and respond to water quality issues.
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Role of Plants in Water Filtration
Exercise for children grade level 4-7 to help them understand the role of plants in filtering the water moving through a watershed.
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Thirstin's Wacky Water Adventure
A booklet of activities and coloring that provides information about drinking water.
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RadTown Radioactive Atom Activity 5: Half-Life
When a radioactive atom decays, it becomes a different element. The amount of time that it takes one half of the atoms present to decay is called “half-life.” Help your students understand half-life with this free classroom activity.
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Region 7 Trash-Free Waters Challenge
The Healthy Environments Challenge is a social media campaign and challenge tool that promotes environmental education, EPA’s role in health and the environment including some fun activies.
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NHDPlus Upper Colorado Data (Vector Processing Unit 14)
NHDPlus data for the Upper Colorado vector processing unit.
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NHDPlus South Atlantic North Data (Vector Processing Unit 03N)
NHDPlus data for the South Atlantic North vector processing unit.
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Soil Gas Sampling
Field Branches Quality System and Technical Procedures: This document describes general and specific procedures, methods and considerations to be used and observed when collecting soil gas samples for field screening or laboratory analysis.
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Computational Toxicology and Exposure APIs: About
About CompTox and Exposure APIs
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Detailed Data
This page provides eGRID data.
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Summary Data
The Emissions & Generation Resource Integrated Database (eGRID) is a comprehensive source of data on the environmental characteristics of almost all electric power generated in the United States.
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Tools about Septic Systems for Homeowners
Tools to help homeowners properly manage their septic systems.
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The Wastewater Information System Tool Flyer
EPA has developed an off-the-shelf user-friendly management tool formatted in Microsoft Access that features web-style buttons, drop-down boxes for data entry, and intuitive use features.
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The Wastewater Information System Tool User Guide
TWIST is designed to track information related to the facility served, permits, site evaluations, system types, services provided, and complaints.
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Clean Watersheds Needs Survey (CWNS) 2004: Regional and EPA Program Area Needs
This document supplements the CWNS 2004 Report to Congress by summarizing federal needs data by various major watershed basins and EPA program areas.
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Clean Watersheds Needs Survey (CWNS) 2008: Regional and EPA Program Area Needs
This document supplements the CWNS 2008 Report to Congress by summarizing federal needs data by various major watershed basins and EPA program areas.
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Clean Watersheds Needs Survey (CWNS) 2008 Reports Help
This document provides information about how to create and use CWNS reports that are available online.
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Generalized Read-Across (GenRA)
Learn about the Generalized Read-across (GenRA) tool.
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FRS on the Exchange Network
The Exchange Network (EN) is a partnership among states, tribes, territories, and EPA for the exchange of environmental information efficiently and securely over the internet.
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Environmental Data Maps for Ohio
Environmental data maps for Ohio