Science & Technology
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National Rivers & Streams Assessment 2018-19 Field Operations Manual Non-Wadeable
The Field Operations Manual for the NRSA 2018-19 Non-Wadeable
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History of the National Aquatic Resource Surveys
Under the Clean Water Act (CWA), the U.S. Environmental Protection Agency must periodically report on the condition of the nation's water resources by summarizing water quality information provided by the states.
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National Rivers & Streams Assessment 2018-19 Quality Assurance Project Plan
The Quality Assurance Project Plan for the NRSA 2018/19
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New: EPA OIG Hotline Information
The EPA OIG Hotline receives complaints of fraud, waste, and abuse in EPA programs and operations including mismanagement or violations of law, rules, or regulations by EPA employees or program participants.
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EPA Research In Your State
EPA researchers are working hard to protect communities across the nation. Find out what EPA scientists have done in your state.
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Final Rule - Cadmium Aquatic Life Criterion Applicable to Oregon Fresh Waters
EPA has finalized a freshwater acute aquatic life criterion for cadmium in Oregon to protect aquatic life from the effects of exposure to harmful levels of cadmium.
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Federal Water Quality Standards Requirements
40 CFR 131 establishes requirements for states and tribes to review, revise and adopt water quality standards (WQS); and procedures for EPA to review, approve, disapprove and promulgate WQS pursuant to section 303 (c) of the Clean Water Act.
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Templates for Narrative Downstream Protection Criteria in State Water Quality Standards
These narrative templates are intended as suggestions that states and tribes may use as starting points to customize the downstream protection provisions in their water quality standards.
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Designation and NAAQS Information Related to Lead (2008 Standard)
Designation and NAAQS Information Related to Lead (2008 Standard)
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Data & Data Products: Envirofacts – Radnet Widget
Information about and embed code for EPA's Envirofacts – Radnet Widget
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National Emissions Inventory (NEI)
detailed estimate of air emissions of both criteria and hazardous air pollutants from all air emissions sources.
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Region 2 2013 Title V Operating Permits Database
Region 2 2013 Title V Permits Database
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Region 2 2015 Title V Operating Permits
Title V Permits Public Petitions Deadlines
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Region 2 2012 Title V Operating Permits Database
Region 2 2013 Title V Permits Database
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Region 2 2014 Title V Operating Permits Database
Region 2 2014 Title V Permits Database
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EPA Research in Vermont
EPA researchers are working hard to protect communities across the nation. Learn about some of the work EPA researchers are doing in Vermont.
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Draft Risk Evaluation for 1,3-Butadiene
EPA designated 1,3-butadiene as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.
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Risk Evaluation for Phosphoric Acid, Triphenyl Ester (TPP)
EPA designated triphenyl ester (TPP) as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.
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EPA awards $1,687,013,000 to Florida for water infrastructure resiliency
EPA awards $1,687,013,000 to Florida for water infrastructure resiliency