921.31 WHERE PROTECTION IS REQUIRED.
   (a)   An approved backflow prevention device shall be installed on each service line to a consumer's water system serving premises, where there is, in the judgment of the Director of the Water Department or the Ohio E.P.A., a real or potential health, pollution or system hazard to the public water system.
   (b)   An approved backflow prevention device shall be installed on each service line to a consumer's water system serving premises where the following conditions exists:
      (1)   Premises having an auxiliary water system, unless such auxiliary system is accepted as an additional source by the Director and the source is approved by the Ohio E.P.A.;
      (2)   Premises on which any substance is handled in such a fashion as to create an actual or potential hazard to a public water system. This shall include premises having sources or systems containing process fluids or waters originating from a public water system which are no longer under the control of the water purveyor;
      (3)   Premises having internal cross connections that, in the judgment of the Director, are not correctable or intricate plumbing arrangements which make it impracticable to determine whether or not cross connections exist;
      (4)   Premises where, because of security requirements or other prohibitions or restrictions, it is impossible or impractical to make a complete cross connection survey;
      (5)   Premises having a repeated history of cross connections being established or re-established; or
      (6)   Others specified by the Director or the Ohio E.P.A.
   (c)   An approved backflow prevention device shall be installed at any point of connection between a public water system or a potable consumer's water system and an auxiliary water system, unless such auxiliary system is accepted as an additional source by the Director and the source is approved by the Ohio E.P.A.
(Ord. 91-1404. Passed 11-5-91.)