Excavate the Basin
7
S T E P 2 – E X C AVAT E T H E B A S I N
a) Dig a hole that is 20” deep. Use dimensions
below for length and width of the basin.
PF46 - 3’x 3’ Basin
PF88 - 3’ x 4’ Basin
b) Mark a circle on the bottom of the basin
28” diameter (6 inches larger diameter than
base of waterfall well). Dig this area to a
depth of 6”. Taper the hole to fit the bottom of
the waterfall well as shown.
Create Catchment Basin
6”
18”
2”-3”
Ground Level
Decorative Stone level
This middle level is called
the “charge.” It’s where
water is stored when the
water feature is turned off.
The “operational level”
is the level necessary to
keep water supplied to
the pump.
Warning:
Do not use pea gravel in the waterfall basin. Minimum gravel tolerance is 5/8” or 3/4” gravel.
Smaller gravel will block the Waterfall Well intake ports.
Detail View
c) Remove
sharp rocks and roots
that may
puncture the liner
Max Water Level
Operational Level