Learn the Issues

Watershed-Based Plans in New England

Learn more about Watershed-Based Plans in Region 1.

Federal Roles and Responsibilities: Compensatory Mitigation Decisions

What are the federal agencies roles and responsibilities under the compensatory mitigation rule.

Development of the West Virginia Stream and Wetlands Valuation Metric under CWA Section 404

Consistent unit-based (debit/credit) plane for assessing impacts and mitigation while preserving a rapid approach using best available Science in WV

Stream Behavior and Response to Disturbance

General Stream Principles including stream behavior and response to disturbance

SMCRA's Requirements for Protecting Streams

Federal Agency Roles and Responsibilities under the clean water act section 404 compensatory mitigation decisions

Mountain State Mitigation Credit Company (Banker) under CWA Section 404

MSMCC is a mitigation bank working to restore Buffalo Creek. Buffalo Creek watershed will be successfully restored from the headwaters down to establish complete “watershed restoration” that is consistent with the Mitigation Rule.

Banks and Mitigation In-Lieu of Fees (ILFs) under CWA Section 404

Mitigation Banks and In-Lieu Fee Programs

Off-site Mitigation under CWA Section 404 - University of Louisville Stream Institute

Regional Curve Reports showing; Bluegrass, Eastern Kentucky Coal Field. Eastern Kentucky Coal Field Headwater Streams, Western Kentucky Coal Field, Eastern Mississippi Plateau, Mississippi Embayment

April–June 2025 Newsletter

Check out our newsletter for information about EPA’s work from Guam to the Pacific Southwest states, including keeping children safe from lead and helping small communities protect their drinking water.

2026 Region 6 Brownfields Conference

Join public agencies, developers, community leaders, consultants, and lenders for three days of funding updates, case studies, and practical tools for successful redevelopment.

Date: August 25 - 27, 2026

Underground Injection Control in EPA Region 6 (AR, LA, NM, OK, and TX)

Region specific UIC contact information is provided.

Adaptive Management and Catastrophic Events under CWA Section 404

Adaptive management is used to address: Contingencies; Unforeseen circumstances; Learn from success & failure; Ensure sustainability.

West Virginia and Kentucky HGM Stream Assessment: Development, Validation and Outcomes

West Virginia and Kentucky HGM Stream Assessment Development Validation: Development, Validation, and Outcomes Status Report

Natural Stream Channel Design Techniques and Review

Need for a Review Checklist: Stream restoration problems include; design complexity, many different design methodologies, inconsistency in design deliverables, communication difficulties, many failed projects

Regional Curve Development and Use in Stream Restoration and Hydrologic Assessment in High Gradient Headwater Streams

Introduction to Regional Curves including; regressions relating bankfull channel
characteristics to drainage area, providing estimates of bankfull discharge and channel geometry, validating the selection of the bankfull channel as determined in the field

Functional Objectives for Stream Restoration under CWA Section 404

Functional Objectives for Stream Restoration and the Stream Functions Pyramid

Federal Inter-Agency Agreement for Coal Mining Permitting, Compliance and Enforcement in Tennessee under CWA Section 404 and Other Federal Statutes

TN Interagency workgroup convened to improve communication and Coordination, identify permit requirements, implement concurrent reviews, reduce permit revisions; and develop coordinated JD/Pre-App process