Learn the Issues

EPA Releases Explanation of Significant Differences for Moss-American Superfund Site

Formalized change to the existing cleanup plan at the Moss-American Superfund site in Milwaukee, WI. To address a limited area of site contamination, the EPA will use offsite disposal instead of “low temperature thermal desorption” treatment.

Geographic Locations: Wisconsin

Off-site Vapor Intrusion Study Area

In August 2018, EPA asked Amphenol Corporation o outline the approach to the overall vapor intrusion (VI) investigation in the off-Site Study Area, to be proposed to EPA in a Work Plan.

Detroit River AOC

Background information and beneficial use impairments for Detroit River AOC.

Remediation and Restoration Projects for the River Raisin AOC

Table describing remediation work on the St. Louis River and Bay AOC.

River Raisin AOC

Describes history of the AOC, beneficial use impairments and sources of pollution.

Chesapeake Bay Total Maximum Daily Load (TMDL)

In 2010 EPA established the Chesapeake Bay TMDL, a comprehensive "pollution diet" with accountability measures to restore clean water in the bay and local waters. It set limits for nutrients and sediment to meet water quality standards across the watershed

Wetland Program Development Grants: Building State and Tribal Capacity to Protect Wetlands

This brochure highlights just a few examples of the progress being made by states and tribes through the use of the Wetland Program Development Grant funds. Wetland Program Development Grants: Building State and Tribal Capacity to Protect Wetlands

A Guide to Wetlands and Wildlife Sanctuaries in Washington, DC

Volunteer Stream Monitoring: A Methods Manual

Coastal Wetlands Factsheet

A brief overview of coastal wetlands.

Bottomland Hardwoods

Bottomland hardwood forests are river swamps. They are found along rivers and streams of the southeast and south central United States, generally in broad floodplains.

Wet Meadows

Wet meadows are a type of marsh that commonly occurs in poorly drained areas such as shallow lake basins, low-lying farmland, and the land between shallow marshes and upland areas.

Wetlands Restoration Definitions and Distinctions

Ecological restoration is a valuable endeavor that has proven very difficult to define. The term indicates that degraded and destroyed natural wetland systems will be reestablished to sites where they once existed. But, what wetland ecosystems are we talki

Hualapai Tribe Protects Resources through Enhancement of Pivotal Spring (Northern Arizona)

Hualapai Tribe Protects Resources through Enhancement of Pivotal Spring

2019 Redwood City Salt Plant Jurisdictional Determination under CWA Section 404

Special case jurisdictional determination made by EPA for Redwood City site under the 1989 Memorandum of Agreement between EPA and the Department of the Army Concerning the Determination of Geographic Jurisdiction of the Clean Water Act Section 404 Program

Region 9: CWA Section 309(g) Class II Administrative Penalties Public Notices

Notice of Proposed Assessment of Clean Water Act Section 309(g) Class II Administrative Penalties and Opportunity for Public Comment

Region 6: CWA Section 309(g) Class II Administrative Penalties Public Notices

Notice of Proposed Assessment of Clean Water Act Section 309(g) Class II Administrative Penalties and Opportunity for Public Comment

Resources that Support Mitigation Regulations under CWA Section 404

a partial list of web sites of materials (mitigation bank templates, checklists, etc.) that comply with and/or support the mitigation regulations.

Memorandum of Agreement regarding Mitigation under CWA Section 404(b)(1) Guidelines (Signed Document)

1990 MOU between EPA and the Army about mitigation under CWA section 404 b 1 guidelines

Five Star Wetland and Urban Waters Restoration Grants

The Five Star Restoration Program brings together students, conservation corps, other youth groups, citizen groups, corporations, landowners and government agencies to provide environmental education and training through projects that restore wetlands