8 Ill. Adm. Code 255.160
Connections to the Potable Water Supply
Section 255
Section 255.160 Connections
to the Potable Water Supply
a) General: Potable water supply lines shall not be connected to
process water lines, chemical lines or equipment, unless proper backflow
protection is installed.
b) Water service lines which connect an agrichemical facility or
a non-commercial agrichemical facility to a community public water supply shall
include either a reduced pressure principle backflow preventer or a fixed
proper air gap, in accordance with the Illinois Environmental Protection Agency
Technical Policy Statement (35 Ill. Adm. Code 653.803(c)(4)).
c) Water service lines which connect an agrichemical facility or
a non-commercial agrichemical facility to a potable water supply other than a
community public water supply shall include either a reduced pressure principle
backflow preventer or a fixed proper air gap, in accordance with the Illinois
Plumbing Code (77 Ill. Adm. Code 890).
d) Installation, maintenance and inspection of such backflow
prevention devices shall be carried out in accordance with Illinois
Environmental Protection Agency Technical Policy Statement (35 Ill. Adm. Code
651 and 653) or the Illinois Plumbing Code (77 Ill. Adm. Code 890), whichever
is applicable.