(a) AIR GAP SEPARATION means the unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe or faucet supplying water to a tank, plumbing fixture, or other device and the flood level rim of the receptacle.
(b) APPROVED means that a backflow prevention device or method has been accepted by the supplier of water and the director as suitable for the purposed use.
(c) AUXILIARY WATER SYSTEM means any water system on or available to the premises other than the public water system. These auxiliary water systems shall include used water, process fluids, or water from a source other than the public water system, such as wells, lakes, or streams, or water from another public water system.
(d) BACKFLOW means the flow of water or other liquids, mixtures, or substances into the distributing pipes of a potable water supply from any source other than the intended source of the potable water supply.
(e) BACKFLOW PREVENTER means any assembly, device, method, or type of construction intended to prevent backflow into a potable water system. Where backflow prevention device is used in other rules of this Chapter (OAC 3745-95), this definition applies.
(f) CERTIFIED TESTER/INSTALLER means any individual licensed by the State as a Certified Backflow Tester and Installer.
(g) CONSUMER means the owner or person in control of any premises supplied by or in any manner connected to a public water system.
(h) CONSUMER'S WATER SYSTEM means any water system, located on the consumer’s premises, supplied by or in any manner connected to a public water system. A household plumbing system is considered to be a consumer’s water system.
(i) CONTAINMENT PRINCIPLE BACKFLOW PREVENTER - A backflow preventer that is installed in a consumer's water system that is intended to contain the water within the premises to prevent any polluted or contaminated water from backflowing or backsiphoning into the public water system. Typically, the containment principle backflow preventer is placed at the service connection, unless placement is otherwise specified by rule herein.
(j) CONTAMINATION means an impairment of the quality of water by sewage or process fluid or waste to a degree which could create an actual hazard to the public health through poisoning or through spread of disease by exposure.
(k) CROSS-CONNECTION means any arrangement whereby backflow can occur.
(l) DEGREE OF HAZARD is a term derived from an evaluation of the potential risk to health and the adverse effect on the potable water system.
(m) DIRECTOR means the director of the Ohio Environmental Protection Agency or his duly authorized representative.
(n) DOUBLE CHECK VALVE ASSEMBLY means an assembly composed of two single, independently acting, check valves including tightly closing shutoff valves located at each end of the assembly and suitable connections for testing the water-tightness of each check valve.
(o) HEALTH HAZARD means any condition, device, or practice in a water system or its operation that creates, or may create, a danger to the health of users.
(p) INTERCHANGEABLE CONNECTION means an arrangement or device that will allow alternate but not simultaneous use of two sources of water.
(q) NON-POTABLE WATER means water not safe for drinking, culinary, or personal use.
(r) PERSON means the state, any political subdivision, public or private corporation, individual, partnership, or other legal entity.
(s) POLLUTION HAZARD means the presence of any foreign substance in the water that degrades the water quality so as to constitute a hazard or impairs the usefulness of the water, however does not create an actual public health hazard, but does adversely affect waters for domestic use.
(t) POTABLE WATER means water which is satisfactory for drinking, culinary, and domestic use and meets the requirements of the Ohio Environmental Protection Agency.
(u) PREMISES means any building, structure, dwelling, or area containing plumbing or piping supplied from a public water system.
(v) PROCESS FLUIDS means any fluid or solution which may be chemically, biologically, or otherwise contaminated or polluted in a form or concentration such as would constitute a pollutional, system, health or severe health hazard if introduced into the public water system or portion of a consumer's water system. This includes, but is not limited to:
(1) Polluted or contaminated waters;
(2) Process waters;
(3) Used waters originating from a public water system which may have deteriorated sanitary quality;
(4) Cooling waters;
(5) Contaminated natural waters taken from wells, lakes, streams, or irrigation systems;
(6) Chemicals in solution or suspension;
(7) Oils, gases, acids, alkalis, and other liquid and gaseous fluids used in industrial or other processes, or for firefighting purposes.
(w) PUBLIC WATER SYSTEM has the same meaning as in Section 6109.01 and 6109.02 of the Ohio Revised Code.
(x) REDUCED PRESSURE PRINCIPLE BACKFLOW PREVENTION ASSEMBLY
means an assembly containing a minimum of two independently acting check valves together with an automatically operated pressure differential relief valve located between two check valves. During normal flow and at the cessation of normal flow, the pressure between these two checks shall be less than the supply pressure. In case of leakage of either check valve, the differential relief valve, by discharging to the atmosphere, shall operate to maintain the pressure between the check valves at less than the supply pressure. The unit must include tightly closing shutoff valves located at each end of the device, and each device shall be fitted with properly located test cocks.
(y) SERVICE CONNECTION means the terminal end of a service line from the public water system. If a meter is installed at the end of the service, then the service connection means the downstream end of the meter.
(z) SUPPLER OF WATER means the owner or operator of a public water system.
(aa) SYSTEM HAZARD means a condition posing an actual or potential threat of damage to the physical properties of the public water system or a potable consumer's water system.
(bb) POLLUTIONAL HAZARD means a condition through which an aesthetically objectionable or degrading material, not dangerous to health, may enter the public water system or a potable consumer's water system.
(cc) USED WATER means any water supplied by a supplier of water from a public water system to a consumer's water system after it has passed through the service connection and is no longer under the control of the supplier.
(dd) YARD HYDRANT means a device that is located outside of a building, equipped with a valved mechanism that controls delivery of potable water, and is not designed to supply a fire department pumper.
(Ord. 17-169. Passed 9-11-17.)