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Purpose and Background

Applicability of UNDS

What vessels are subject to UNDS requirements?

Where is UNDS applicable?

Timeline

Agencies Associated with UNDS

UNDS Management Approach

Regulatory Development Process

Phase I

Discharges Requiring Control

Discharges not Requiring Control

Phase II

Phase III

UNDS Federal Rulemaking Process

Outreach and Consultation

States

Tribes

Coastal Zone Management Programs

Endangered Species

Publications and Resources

Clean Water Act Section 312

Current Status

Feedback

Acronyms and Definitions

GIS