Data and Tools
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Drinking Water State Revolving Fund Program Information for the State of Mississippi
Provides cumulative national financial data about the Drinking Water State Revolving Fund (DWSRF)
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Drinking Water State Revolving Fund Program Information for the State of Louisiana
Federal and State investments for Drinking Water Programs for the state of Louisiana
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Drinking Water State Revolving Fund Program Information Report for the State of Missouri
Provides cumulative national financial data about the Drinking Water State Revolving Fund (DWSRF)
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Drinking Water State Revolving Fund Program Information for the State of Kentucky
Federal and State investments for drinking water programs for the state of Kentucky
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Drinking Water State Revolving Fund Program Information for the State of Iowa
Federal and State investments for Drinking Water Programs for the state of Iowa
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Drinking Water State Revolving Fund Program Information for the State of Georgia
Federal and state investments for drinking water programs for the state of Georgia
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Drinking Water State Revolving Fund Program Information for the State of Virginia
Drinking Water State Revolving Fund Program Information for the State of Virginia
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General Conformity Training Module 2.3: Demonstrating Conformity
Module 2.3 explains how an agency demonstrates conformity under General Conformity Regulations.
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General Conformity Training Module 3.4: Federal Agencies' Presumed to Conform Actions
Module 3.4 describes when an agency publishes a list of presumed to conform actions, the federal agency must show that the emissions meet certain criteria.
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EPA Region 4 Sole Source Aquifer Project Review Form - Section B: Determination of Potential Project Impacts to the Sole Source Aquifer
The main purpose of this form is to identify whether the applicant’s project requires an in-depth review by the EPA Region 4 SSA coordinators.
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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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SAM 2022 Chemical Sample Prep Method Summary
Selected Analytical Methods.
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Feedback for Protect Your Tap
Please provide feedback for Protect Your Tap.
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Air Quality System (AQS)
The Air Quality System (AQS) is EPA's repository of ambient air quality data. AQS stores data from over 10,000 monitors, 5000 of which are currently active.
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Purchasing Case Study: Education and Outreach Campaign Reduces Paper Use
Federal Green Challenge Purchasing Case Study: Two separate departments within the U.S. Office of Personnel Management’s Chicago office reduced the amount of paper purchased by 28 percent through an education and outreach campaign.
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Individual Lagoon Tool for Supporting Ammonia WQS Variances
The Individual Lagoon Tool is a screening-level economic analysis tool to help determine whether a water quality standards variance for ammonia based on “substantial and widespread economic and social impacts” may be appropriate.
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Designation and NAAQS Information Related to 8-Hour Ozone (2015)
Designation and NAAQS Information Related to 8-Hour Ozone (2015)
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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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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) 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.