Y-Valve


A plumbing component in some boats directing waste either to an onboard holding tank or overboard; boater ed emphasizes legal usage to avoid illegal discharge in restricted waters.

Related Terms

Federal Regulations

Boating rules set by the US Coast Guard or other federal entities (e.g., EPA for marine pollution...

Read More
Marine Sanitation Device (MSD)

On-board equipment for handling sewage; must meet state or federal pollution regulations (Type I,...

Read More
Overboard Discharge Rules

Laws prohibiting the dumping of trash, oil, or sewage directly into waterways; states and the USC...

Read More
Portable Marine Toilets

Self-contained sanitary devices for smaller boats without a permanent head; proper disposal is re...

Read More
Gate Valves for Seacocks

Valves controlling seawater intake/outflow on inboard engines or toilets. Properly maintained sea...

Read More
Dockside Pump-Out Station

Facilities for boats equipped with holding tanks to properly dispose of sewage (Type III MSD). Re...

Read More