(A) (1) Each customer, owner and/or occupant of premises receiving water service shall prevent backflow of water or any other substance into the water mains of the village from any cause within the premises and shall prevent and remove all cross-connections. No customer, owner and/or occupant shall make, cause, allow or permit any cross-connection on the premises or any backflow of water or any other substance from the premises to the village’s water mains.
(2) An approved reduced pressure principle backflow prevention device (“RPZ”) shall be installed on:
(a) Each commercial or industrial service line;
(b) All other customers’ service lines when the following conditions exist:
1. The premises has an auxiliary water supply;
2. The premises has an underground lawn sprinkler system; or
3. The premises has a reported history of cross-connections being established or reestablished.
4. The premises has a hot water or steam heating system.
(c) All fire protection systems connected to the village’s water supply, when any of the following conditions exist:
1. The system contains antifreeze, fire retardant or other chemicals;
2. Water is pumped into the system or can be pumped into the system from another service;
3. Water flows into the fire safety system by gravity from a non-potable service; or
4. There is a connection whereby water can be pumped into the fire safety system from any other source.
(B) All RPZ required by these rules shall be approved by the Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California, American Water Works Association, American Society of Sanitary Engineers, or American National Standards Institute, or certified by the National Standards Institute or the National Sanitation Foundation to be in compliance with applicable industry specifications.
(C) Installation of an RPZ shall be made in accordance with applicable regulations of the State Pollution Control Board, the State Plumbing Code and Illinois Environmental Protection Agency, and only as specified by the Foundation for Cross-Connection Control and Hydraulic Research of the University of Southern California, American Water Works Associates, American Society of Sanitary Engineers, of American National Standards Institute. In addition, installation shall be subject to the following conditions:
(1) The device shall be accessible for maintenance and testing;
(2) Minimum clearances recommended by the manufacturer shall be used;
(3) The device shall be protected against flooding and freezing;
(4) Relief ports shall not be plugged. A drain which will remain free-flowing under all conditions shall be provided;
(5) A collection system with an air gap under the relief port drain shall be installed with ceiling level units;
(6) No reduction shall be made in the size of the relief port drain; and
(7) A bypass and second RPZ shall be installed if there is only one service line and the water service cannot be interrupted. Bypass lines without RPZ shall not be installed.
(D) It shall be the duty of the customer, owner and occupant of any premises on which an RPZ is installed to inspect, test, maintain and repair the device at least annually or more frequently if recommended by the manufacturer.
(1) Inspection, testing, maintenance and repair shall be performed by a licensed plumber who has been approved by the Illinois Environmental Protection Agency as competent to service the device. Proof of approval shall be in writing.
(2) Each RPZ shall have a tag attached listing the date of most recent test, name of inspector, and type and date of repairs.
(3) A maintenance log shall be maintained and include:
(a) Date of each test;
(b) Name and approval number of licensed plumber approving test;
(c) Test results;
(d) Repairs or servicing required;
(e) Repairs and date completed; and
(f) Servicing performed and date completed.
(4) Whenever RPZ are found to be defective, they shall be repaired or replaced at the customer’s expense without delay.
(5) RPZ shall not be bypassed, made inoperative or removed.
(6) After the test, the information in division (D)(3) above shall be submitted to the village on the form provided by the village for its records.
(E) Installation of RPZ; their inspection, testing and maintenance; and reports to the village shall be at the customer’s expense.
(F) Where a booster pump has been installed on the service to or within any premises, the pump shall be equipped with a low pressure cut-off device designed to shut off the booster pump when the pressure in the service line on the suction side of the pump drops to 20 psi or less. It shall be the duty of the customer to maintain the low pressure cut-off device in proper working order and to certify to the village, at least once a year that the device is operable.
(G) On request of a representative of the village, the customer shall furnish information regarding the piping system or systems or water use within the customer’s premises. The customer’s premises shall be accessible at all reasonable times to village staff for the verification of information submitted by the customer to the village regarding cross-connection and RPZ installation and maintenance results and for the verification of compliance with these rules.
(Ord. 18-04-01, passed 4-24-2018)