20260123Notice_of_Application_Order_No_36916.pdf

Office of the Secretary
Service Date
January 23,2026
BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION
IN THE MATTER OF INTERMOUNTAIN ) CASE NO. ISW-W-25-02
SEWER AND WATER CORPORATION'S )
APPLICATION TO CHARGE AN INTERIM ) NOTICE OF APPLICATION
RATE FOR SERVICE )
NOTICE OF MODIFIED
PROCEDURE
ORDER NO. 36916
On May 29, 2025, Intermountain Sewer and Water, Corp. ("Company") applied to the
Idaho Public Utilities Commission ("Commission") requesting a Certificate of Public
Convenience and Necessity ("CPCN") authorizing it to provide water service in and around the
Mayfield Spring Planned Community in Elmore County, Idaho ("Service Area"). The Company
also requested authority from the Commission to charge an interim rate for service, as determined
by a calculation proposed by the Company("Application").
The Commission bifurcated the Company's requests and ordered the creation of a separate
docket to consider the Company's request to charge an interim rate for service and the reliability
of the Company's water system, contingent upon the resolution of the Company's request for a
CPCN. Order Nos. 36688, 36772. On September 2, 2025, this case was opened.
On September 29,2025,the Commission issued an order approving the Company's request
for a CPCN in Case No. ISW-W-25-01. Order No. 36772. On October 23, 2025, the Commission
issued the Company's CPCN. Certificate No. 562.
We now issue this Notice of the Company's Application to charge an interim rate of service
and Notice of Intervention Deadline establishing a 21-day intervention period.
NOTICE OF APPLICATION
YOU ARE HEREBY NOTIFIED that, according to the Company, the Service Area water
facilities (including well and distribution facilities) ("Water System") have been built in
accordance with all applicable regulations associated with public drinking water. Application at 3.
The Water System has been reviewed and approved by the Idaho Department of Environmental
Quality.Id.
NOTICE OF APPLICATION
NOTICE OF MODIFIED PROCEDURE
ORDER NO. 36916 1

YOU ARE FURTHER NOTIFIED the Water System will be operated by Valley Hydro,
Inc. Id. The Company states that it has the resources to ensure the Water System can be operated
safely and appropriately.Id.
YOU ARE FURTHER NOTIFIED that the Company currently has no customers, as the
planned community within the Service Area is in development. Id.
YOU ARE FURTHER NOTIFIED that the Company seeks approval of its proposed
interim rate, which is based on calculations provided by the Company. Id. at 4, 409-430. The
Company proposes a monthly flat rate of service for all customers for the first 10,000 gallons of
water used in a month, beginning at $71.00 and decreasing every two years, until the flat rate
reaches $48.00 after the tenth year. Id. at 411. The Company proposes the addition of a $0.0003
per gallon rate for usage above 10,000 gallons in any calendar month.Id. The Company also seeks
approval of non-recurring charges for late payments; reconnection fees; transactions initiated
without sufficient funds; customer requested service calls; and hookup charges. Id. at 412, 430.
YOU ARE FURTHER NOTIFIED that the Application and attachments are available for
public inspection during regular business hours at the Commission's office. The Application is
also available on the Commission's website at www.puc.idaho.gov. Click on the"WATER"icon,
select"Open Cases," and click on the case number as shown on the front of this document.
YOU ARE FURTHER NOTIFIED that all proceedings in this case will be held pursuant
to the Commission's jurisdiction under Title 61 of the Idaho Code, and that all proceedings in this
matter will be conducted pursuant to the Commission's Rules of Procedure, IDAPA 31.01.01.000
et seq.
NOTICE OF MODIFIED PROCEDURE
YOU ARE FURTHER NOTIFIED that the Commission has determined that the public
interest may not require a formal hearing in this matter, and that it will proceed under Modified
Procedure pursuant to the Commission's Rules of Procedure 201-204,IDAPA 31.01.01.201—.204.
The Commission notes that Modified Procedure and written comments have proven to be an
effective means for obtaining public input and participation.
YOU ARE FURTHER NOTIFIED that persons desiring to state a position on this
Application may file a written comment explaining why the person supports or opposes the
Application. Persons who would like a hearing must specifically request a hearing in their written
NOTICE OF APPLICATION
NOTICE OF MODIFIED PROCEDURE
ORDER NO. 36916 2

comments and explain why written comments alone are insufficient. Persons interested in filing
written comments, must do so by February 25, 2026. Comments must be filed through the
Commission's website or by e-mail unless computer access is unavailable. To comment
electronically, please access the Commission's website at hqp://www.puc.idaho.gov/. Click the
"Case Comment Form" and complete the form using the case number as it appears on the front of
this document.
To file by e-mail, persons must e-mail the comments to the Commission Secretary and all
parties at the e-mail addresses listed below. Persons submitting a comment by e-mail must provide
their name, address, and the Case Number under which they are commenting. Persons submitting
a comment by e-mail also acknowledge that submitting a comment in an open case constitutes a
public record under Idaho Code § 74-101(13), and all information provided by such person is
available for public and media inspection.
If computer access is unavailable, then comments may be mailed to the Commission and
the Parties at the addresses below.Persons submitting a comment by mail must provide their name,
address, and the Case Number under which they are commenting. Persons submitting a comment
by mail also acknowledge that submitting a comment in an open case constitutes a public record
under Idaho Code§74-101(13),and all information provided by such person is available for public
and media inspection.
For the Idaho Public Utilities For the Company:
Commission:
Commission Secretary T. Hethe Clark
Idaho Public Utilities Commission Clark Wardle LLP
P.O. Box 83720 251 E. Front Street, Suite 310
Boise, ID 83720-0074 P.O. Box 639
secretary&puc.idaho. og_v Boise, ID 83701
hclark(a,clarkwardle.com
filin clarkwardle.com
Intermountain Sewer and Water, Corp.
P.O. Box 344
Meridian, ID 83680
larry(kwestparkco.com
YOU ARE FURTHER NOTIFIED that the Company must file any reply comments by
March 18, 2026.
NOTICE OF APPLICATION
NOTICE OF MODIFIED PROCEDURE
ORDER NO. 36916 3

YOU ARE FURTHER NOTIFIED that if no written comments or protests are received
within the time limit set, the Commission will consider this matter on its merits and enter its final
order without a formal hearing. If written comments are received within the time limit set, the
Commission will consider them and, in its discretion, may set the same for formal hearing.
ORDER
IT IS HEREBY ORDERED that the Company's Application to charge an interim rate for
service be processed under Modified Procedure. Persons interested in submitting written
comments must do so by February 25,2026.The Company must file any reply comments by March
18, 2026.
IT IS FURTHER ORDERED that parties comply with Order No. 35375, issued April 21,
2022. Generally, all pleadings should be filed with the Commission electronically and will be
deemed timely filed when received by the Commission Secretary.See Rule 14.02. Service between
parties should continue to be accomplished electronically when possible. However, voluminous
discovery-related documents may be filed and served on CD-ROM or a USB flash drive.
DONE by Order of the Idaho Public Utilities Commission at Boise, Idaho this 23rd day of
January 2026.
G
EDWARD LODG , P IDENT
R. HAMMOND JR., COMMISSIONER
DAYN HA IE, COMMISSIONER
ATTEST:
is o nchez
Commission Secretary
I:\Legal\WATER\ISW-W-25-02_interim rates\orders\ISWW2502_ntc_app_modjl.docx
NOTICE OF APPLICATION
NOTICE OF MODIFIED PROCEDURE
ORDER NO. 36916 4