Learn the Issues

SDWA Economic Analysis

This page provides information on EPA’s approach to economic analysis when developing standards for drinking water contaminants.

How EPA Regulates Drinking Water Contaminants

This page describes the EPA's methods and processes of regulating contaminants in drinking water.

New York City Locomotive Repowers: Collaborative Efforts to Improve Air Quality

The New York City (NYC) Economic Development Corporation and NYC Department of Small Business Services, in collaboration with the U.S. EPA undertook a project to reduce locomotive emissions in and around NYC with CSX Transportation and Waste Management.

Ports Primer: 8.2 Citizen Science Projects

Communities can demonstrate environmental concerns by providing scientific evidence of environmental impact. Communities may be able to access existing local data and conduct their own analyses or communities may turn to existing studies.

National Coastal Condition Assessment

The NCCA is a collaborative, statistical survey of the nation's coastal waters and the Great Lakes. It is one of four national surveys that EPA and its partners conduct to assess the condition and health of the nation's water resources.

National Coastal Condition Assessment 2015 Results

Results for the National Coastal Condition Assessment 2015, including key findings, national results, and ecoregional results,

National Coastal Condition Assessment 2015 Lab Operations Manual

National Coastal Condition Assessment 2015 Quality Assurance Project Plan

National Lakes Assessment 2017 Site Evaluation Guidelines

Site Evaluation Guidelines for the NLA 2017

National Lakes Assessment 2017 Laboratory Operations Manual

Laboratory Manual for the NLA 2017

National Lakes Assessment 2017 Quality Assurance Project Plan

Quality Assurance Project Plan for the NLA 2017

Isles of Shoals North Disposal Site (IOSN)

Designation of the Isles of Shoals North ODMDS

Massachusetts Bay Industrial Waste Site Restoration Project

Overview of MBDS Expansion Project/IWS Restoration

Informational Webinar on Dredging and Dredged Material Management in Long Island Sound

EPA Region 1 and Region 2 informational webinar on dredging and dredged material management in Long Island Sound. Topics include: dredging permit process, dredged material testing, and dredged material disposal.

Reports of Public Scoping Meetings for the Supplemental Environmental Impact Statement for the Designation of Dredged Material Disposal Sites in Eastern Long Island Sound

These reports provide summaries of the scoping meetings as part of the Supplemental Environmental Impact Statement (SEIS) process for the designation of dredged material disposal sites in Eastern Long Island Sound.