Utah Admin. Code R309-105-9 - Minimum Water Pressure
(1) Unless
otherwise specifically approved by the Director, no water supplier shall allow
any connection to the water system where the dynamic water pressure at the
point of connection will fall below 20 psi during the normal operation of the
water system. Water systems approved prior to January 1, 2007, are required to
maintain the above minimum dynamic water pressure at all locations within their
distribution system. Existing public drinking water systems, approved prior to
January 1, 2007, which expand their service into new areas or supply new
subdivisions shall meet the minimum dynamic water pressure requirements in
R309-105-9(2) at any point of connection in the new service areas or new
subdivisions.
(2) Unless otherwise
specifically approved by the Director, new public drinking water systems
constructed after January 1, 2007 shall be designed and shall meet the
following minimum water pressures at points of connection:
(a) 20 psi during conditions of fire flow and
fire demand experienced during peak day demand;
(b) 30 psi during peak instantaneous demand;
and
(c) 40 psi during peak day
demand.
(3) Individual
home booster pumps are not allowed as indicated in
R309-540-5(4)(c).
Notes
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