Learn the Issues
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EPA/West Virginia Department of Agriculture MOU, February 19, 2020
This MOU formalizes our partnership and expands our collaborative activities related to communication, education, outreach, training, regulatory program coordination, and funding of agricultural practices that benefit the environment.
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San Juan Watershed
How EPA, states, and tribes are implementing long-term water quality monitoring in the San Juan River watershed of the southwestern U.S.
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Common Effects Methodology Regional Stakeholder Meeting January 11 -22, 2010
EPA is exploring how to build on the substantial high quality science developed under both OPP programs to develop additional tools and approaches to support a consistent and common set of effects characterization methods using best available information.
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Fact Sheet: Estuarine and Coastal Marine Waters - Bioassessment and Biocriteria Technical Guidance
Fact Sheet: Estuarine and Coastal Marine Waters: Bioassessment and Biocriteria Technical Guidance
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Common Effects Methodology National Stakeholder Meeting December 1, 2010
EPA is exploring how to build on the substantial high quality science developed under both OPP programs to develop additional tools and approaches to support a consistent and common set of effects characterization methods using best available information.
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Draft Risk Evaluation for Di-ethylhexyl phthalate - (1,2-Benzene- dicarboxylic acid, 1,2- bis(2-ethylhexyl) ester) (DEHP)
EPA designated di-ethylhexyl phthalate - (1,2-Benzene- dicarboxylic acid, 1,2- bis(2-ethylhexyl) ester) as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.
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Overview of Innovative Solutions Projects Funded in FY26
This page provides information about the projects awarded under the Innovative Solutions NOFO.
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Cape Cod Pilot Project Research and Updates
Pilot project updates to Cape Cod waters conducted by EPA and key partners, including the Barnstable Clean Water Coalition.
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2026 Clean Air Act Vehicle and Engine Enforcement Case Resolutions
2026 Enforcement case resolutions such as expedited settlement agreements, administrative settlement agreements, administrative penalty orders, consent agreements and final orders, and consent decrees are listed by respondent name below.
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National Wetland Condition Assessment 2021 Lab Operations Manual
National Wetland Condition Assessment 2021 Lab Operations Manual
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Reports and Data - National Coastal Condition Assessment 2015
Products from the national rivers and streams assessment 2013-2014 including report, technical report, factsheet, data files, and data dashboard
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Illinois River Watershed Events and Activities
This page contains information about Water in Arkansas, including the Illinois River Watershed modeling.
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ACE3 Draft Indicators: Environments and Contaminants
The information on this page was provided by EPA in conjunction with the opportunity for public comment on the draft indicators for ACE3, which ran from March 8 – April 21, 2011. The public comment period is now closed.
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Statistical Analysis Documents for ACE3 Indicators
Statistical Analysis Documents.
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Region 7 - Public Notices
Public Notice Directory for EPA Region 7. Includes Iowa, Kansas, Missouri, and Nebraska.
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Nutrient Pollution
Nutrient pollution is one of America's most widespread, costly and challenging environmental problems, and is caused by excess nitrogen and phosphorus in the air and water.
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Clean Air Act Permit Modeling Guidance
This section provides recommendations on modeling techniques and guidance for estimating pollutant concentrations in order to assess control strategies and determine emission limits.
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Risk Evaluation for Vinyl Chloride
EPA designated vinyl chloride as a high priority chemical in December 2023 and the chemical is currently undergoing risk evaluation.
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Risk Evaluation for Ethylene Dibromide
EPA designated ethylene dibromide as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.
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Superfund Sites in Reuse in Connecticut
Notable sites in reuse and continued use in Connecticut include Cheshire Ground Water Contamination, Solvents Recovery Service of New England, Scovill Industrial Landfill, Raymark Industries, Inc., and Linemaster Switch Corporation.