77 Ill. Adm. Code 820.240
Spray Pools
Section 820
Section 820.240Â Spray Pools
a)        Material. Spray pools shall be constructed of impervious
material with a slip-resistant finish.
b)        Slopes. The floor of a spray pool shall slope at least 1 inch
in 10 feet and not more than 1 foot in 12 feet toward the drain. No
obstructions other than designed play items shall be placed in the spray pool
area.
c)        Drains. The spray pool shall be equipped at its low point
with an unvalved drain. The drain shall be sized and designed so that water
sprayed into the pool will not pond in the pool floor.
d)        Water Supply. The water supply shall meet the requirements of
Section 820.110 or be provided from the water treatment system from another
pool. Alternatively, the water may be circulated from a tank or basin, with a
water treatment system as required for a pool by Section 820.210 and designed
to provide a turnover rate for the tank or basin of no more than two hours.Â
Spray heads shall be installed so that they will not be submerged.
e)        Hose Connection. A hose bibb shall be provided within 75 feet
of the spray pool.
f)        Walk Area. The spray pool shall be entirely surrounded by a
walk constructed of impervious material with a slip-resistant finish.
g)        Barrier. A fence or other effective barrier, at least 3½ feet
in height, shall totally enclose the spray pool and shall separate the spray
pool from other pools. Except with regard to height, the barrier shall comply
with the requirements of Section 820.200(a). Each entrance into the spray pool
enclosure shall be equipped with a self-enclosing, self-latching door or gate.