20110909UWI to Staff 5, 6.pdf

[phone]
[phone] (Fax)
Via Hand Delivery
Jean Jewell, Secretary
Idaho Public Utities Coinssion
472 W. Washigton St.
Boise, Idaho 83720
McDevitt & Miller LLP
LalVyers
420 W. Bannock Street
P.O. Box 2564-83701
Boise, Idaho 83702
Chas. F. McDevitt
Dean J. (Joe) Miler
September 9, 2011
Re: Case No. UW-W-ll-02
General Rate Case Filng
Dear Ms. Jewell:
~-~(/rr-0
I1.
-03(...o-J
Enclosed for fig, please fid thee (3) copies of United Water Idaho's Response to Coinssion
Staffs First Production Requests No's 5 and 6.
Kidly retu a fie staped copy to me.
DJM/hh
End.
Very Truy Yours,
McDevitt & Mier IL
1)lM\ ~. ~\\\tDean J. Mier \D'Ô "'''
;0m('
UNITED WATER IDAHO INC.CASE UWI-W-ll-02 ZOIl SEP-9
FIRST PRODUCTION REQUEST OF THE COMMISSION STAF~r'iHn PH I: 40
ur/Li'1í~~fN)
Preparer/Sponsoring Witness: Scott Rhead
REQUEST NO.5:
Please provide a copy of United Water's most recent Water System Master Plan. To the extent
not discussed in the Master Plan, please provide copies of other reports or plans that describe
United Water's infrastructure improvement/replacement programs.
RESPONSE NO.5
A copy of United Water Idaho's most recent Water System Master Plan (fie name: #5 Master
Plan 2009-2015 Report.pdf) is enclosed with this response.
RECEIVED
UNITED WATER IDAHO INC.
CASE UWI-W-ll-02 ZUII SEP -9 PH I: 1.0
FIRST PRODUCTION REQUEST OF THE COMMISSION~IAFF¡.Ii .""'" . -u t \....- l "..' L~ :",~
UTILITIES CO.¡',if';;
Preparer/Sponsoring Witness: Greg Wyatt
REQUEST NO.6:
In reference to managing your water system more effciently, please provide all available
information on the lost and unaccounted-for-water in your system and how you are managing the
system to minimize these losses.
RESPONSE NO.6
Attached is the August 201 1 Unaccounted-for- Water (UFW) Report for United Water Idaho.
The report is calculated monthly and the UFW amount and percent is based on a 12-month
rollng basis of the data. The report shows the UFW percentage to be 3.97% at August 2011.
United Water Idaho manages its system to minimize water losses in the following ways:
. Magnetic flow meters are installed at sources of supply and are calibrated on a regular
basis in accordance with manufacturer's recommendations or better.
. Source of supply production data obtained via SCADA is also verified via manual
readings of source of supply meters monthly.
. Virtually all customer meters are located in outside meter pits/vaults ensurng access to
meters for readings and minimizing estimated reads.
. Customer meter reading is also closely managed to ensure routes are read and biled on
schedule.
. The Company has an ongoing customer meter change program and all customer meters
are within 15 years of age.
. Water use at the Company's facilties (plants, office) and in the distribution system
(flushing) are measured or estimated to account for those uses.
. System water use by others (fire deparment, street sweepers) are measured or estimated
to account for those uses.
. The Company issues hydrant meters to contractors for "construction" water use, bils for
those uses, and accounts for the water used.
. The Company has had and continues a main replacement program that targets older,
small, metallc mains for replacement.
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