(1)
Water pressures. Under
normal condition of water usage, the pressure (pound per square inch gauge) at
a customer's service line shall be not less than 35 PSIG and not more than 125
PSIG.
At regular intervals, a utility shall make a survey of
pressures in its water system. The survey shall be of sufficient magnitude to
indicate the quality of service being rendered at representative points on its
system. The survey shall be conducted during periods of high usage at or near
the maximum usage during the year. The pressure charts for these surveys shall
show the date and time of beginning and end of the test and the test location.
Records of these pressure surveys shall be maintained at the utility's
principal office in the state and made available to the board upon
request.
(2)
Interruption of water service.
a. A utility shall make a reasonable effort
to prevent interruptions of water service. When an emergency interruption
occurs, the utility shall reestablish service with the shortest possible delay
consistent with the safety of its customers and the general public. If an
emergency interruption affects fire protection service, the utility shall
immediately notify the fire chief or other responsible local
official.
b. When a utility finds
it necessary to schedule an interruption of water service, it shall make a
reasonable effort to notify all customers to be affected by the interruption.
The notice shall include the time and anticipated duration of the interruption.
Interruptions shall be scheduled at hours which create the least inconvenience
to the customer.
c. A utility shall
retain records of interruptions for a period of at least five years.
(3)
Water supply
shortage. The utility shall attempt to furnish a continuous and
adequate supply of water to its customers and to avoid any shortage or
interruption of water delivery.
a. If a
utility finds that it is necessary to restrict the use of water due to a
shortage, it shall equitably apportion its available water supply among its
customers. The utility shall notify its customers and the board of the
following:
(1) The reason for the
restriction.
(2) The nature and
extent of the restriction.
(3) The
effective date of the restriction.
(4) The probable date of termination of the
restriction.
b. The water
use restriction shall not take effect unless approved by the board, except in
cases of emergency.
Notes
Iowa Admin. Code r.
199-21.7
Amended by
IAB
January 15, 2020/Volume XLII, Number 15, effective
2/19/2020