RPZ Certification

The City of Oak Forest requires inspection and certification of any RPZ/ Backflow Preventer at the time of installation and at least once annually thereafter by a licensed Cross Connection Control Device Inspector (CCCDI).  The device is installed for lawn irrigation systems, fire sprinkler systems, and commercial/ industrial occupancies to continually protect water supplies from contamination.

Certifications may be sent  to us  by using one of the following three methods:

Via Mail:
City of Oak Forest
Building Department
15440 S. Central Avenue
Oak Forest, Illinois 60452

Via Fax:

Via Email:
mcassidy@oak-forest.org or cweisenberger@oak-forest.org