Waste and Sanitation Systems
10.6
10.5 Holding Tank
The holding tank on your boat is installed to hold black
water waste until you can safely dispose of or pump it
overboard. The tank (left side Fig. 10.13) is installed
within the recess between the hull and the shower pan
and can be accessed through the upper panel behind the
toilet (right side Fig. 10.13).
Figure 10.13
IMPORTANT: You must ensure it is legal to empty your
holding tank in the waters you occupy. Some areas
have restrictions on pumping out black water waste!
10.5.3 Holding Tank Operations
The holding tank must be emptied when it approaches
a full state. There are two methods for removing waste
from the holding tank:
Overboard discharge when in waters where it is
legally permitted
Dock side pump-out at a waste facility.
Check with the Coast Guard and local authorities before
discharging waste overboard.
10.5.3.1 Overboard Discharge Operation
To discharge the gravity feed holding tank overboard,
one simply opens the overboard discharge Y-valve. The
valve (Fig. 10.14) is located in the aft cabin and accessed
through the port aft hanging locker drop-in.
1.
2.
Figure 10.14
To close the Y-valve, rotate the handle counterclockwise.
To open the valve to seawater, rotate the valve to the
straight up position.
IMPORTANT: U.S. Coast Guard regulations require that boats
have a sanitation system on board to control pollution. Waste
is to be stored in a holding tank or other device so it can be
properly disposed of at a shore facility. Discharging this waste
overboard in U.S. lakes, rivers, bays, and sounds and within 3
miles of shore in international waters is prohibited. Check with
the Coast Guard regarding regulations in your area.
Failure to close the overboard discharge valve when
not in use could cause the holding tank to fill and
possibly flood the boat.
Waste in the holding tank can form methane gas.
Use suitable precautions when any maintenance is
conducted to the sanitary system.
10.5.3.2 Dock side Waste Removal
To remove waste from the holding tank at a dock side
waste facility, insert the hose from the pump-out facil-
ity into the waste access (Fig. 10.15) located on the
starboard aft side-deck and follow any instructions.
Instructions may vary from one facility to another.
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