Arrowhead Pump - Sole Source Documentation

City of El Mirage — Regular Meeting (2026-03-03)

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Utilities Department 
10355 N 121st Avenue, El Mirage 85335 
623-935-6405; Fax 623-935-6184; TDD 623-933-3258 
www.cityofelmirage.org 
 
 
MEMORANDUM 
 
 
TO:  
 
Nick Russo, Public Works Director 
 
 
Valerie, Ojeda, Fiscal Services Administrator 
 
FROM: 
Kyle Huttenhow, Utilities Water Division Supervisor 
 
THROUGH:  Scott Ketchmark, Utilities Superintendent  
 
SUBJECT:  
Arrowhead Pump and Supply LLC 
 
DATE:  
January 20, 2026 
 
The purpose of this memo is to justify using Arrowhead Pump & Supply LLC to replace lift 
station pumps at Grand Village Lift Station. Arrowhead Pump & Supply LLC the sole distributor 
of Vaughan chopper pumps in Arizona (see attached sole source letter). 
Vaughan pumps have been successfully used at Brisas Lift Station, significantly reducing pump 
failures. Additionally, these pumps allow city staff to perform maintenance during preventive 
maintenance rotations, improving reliability and efficiency. 
This purchase order is for three pumps for Grand Village Lift Station: two active pumps and one 
spare.

JAN 20 2026
To Whom It May Concern: 
The appointed Vaughan Co. Inc. Representative and sole source for the 
Industrial & Municipal markets including sales, service and parts in the 
state of Arizona is:  
Arrowhead Pump and Supply LLC 
2452 E Ironside Dr 
Gilbert, AZ 85298  
Phone (623) 606-4275 
Email: kevin.oliver@arrowheadpumpsupply.com 
Please contact them for pricing, information or any other assistance you 
require. 
Sincerely, 
Stefanie Vaughan 
Phone: 360.249.4042 ext. 227 
E-mail: stefanie@chopperpumps.com

AMENDMENT NO. 1 TO PROFESSIONAL SERVICES AGREEMENT 
BETWEEN 
THE CITY OF TOLLESON 
AND 
ARROWHEAD PUMP AND SUPPLY, LLC 
THIS AMENDMENT NO. 1 TO PROFESSIONAL SERVICES AGREEMENT (this “First 
Amendment”) between the City of Tolleson, an Arizona municipal corporation (the “City”) and 
Arrowhead Pump and Supply, LLC, an Arizona limited liability company, (the “Contractor), 
(collectively, the “parties”), is hereby entered into and shall be effective on the last signature 
date set forth below.   
Note: Amendment changes are noted with additions in bold font and deletions in strikeout font. 
RECITALS 
A. 
The City entered into a Professional Services Agreement as of December 14, 2023 (the 
“Agreement”) with the Contractor for professional services related to pumps and 
replacement parts for pump equipment for use by the City’s Utilities Department (the 
“Parts and Services”). The terms of the Agreement are incorporated herein by 
reference. 
B. 
The City has determined that additional Parts and Services are necessary and desires 
to renew the term of the Agreement.  
AGREEMENT 
 
NOW, THEREFORE, in consideration of the foregoing recitals, which are incorporated 
herein by reference, the following mutual covenants and conditions, and other good and valuable 
consideration, the receipt and sufficiency of which is hereby acknowledged, the City and the 
Contractor hereby agree as follows: 
 
1. 
The parties agree to amend Paragraph 1 Term of Agreement of the Agreement, as 
follows: 
 
1. 
Term of Agreement.  This Agreement shall be retroactively effective as of July 1, 
2025, the date first set forth above and shall remain in full force and effect until June 
30, 2024June 30, 2026 (the “Initial Term”), and shall automatically renew for one 
successive one-year term (a “Renewal Term”), unless terminated as otherwise 
provided in this Agreement.  The Initial Term and the Renewal Term are collectively 
referred to herein as the “Term.” Upon renewal, the terms and conditions of this 
Agreement shall remain in  full force and effect.

2. 
The parties agree to amend Pierce Coleman PLLC notice address in Paragraph 
14.14 of the Agreement as follows:  
 
With copy to: 
 
Pierce Coleman PLLC 
7730 E. Greenway Road, Suite 105 
17851 N. 85TH STREET, SUITE 175 
Scottsdale, Arizona 8526085255.  
Attn: Justin Pierce, City Attorney 
 
3. 
Effect of Amendment. In all other respects, the Agreement is affirmed and ratified 
and, except as expressly modified herein, all terms and conditions of the Agreement shall remain 
in full force and effect. 
 
4. 
Non-Default. By executing this Amendment, the Contractor affirmatively asserts 
that (i) the City is not currently in default, nor has it been in default at any time prior to this 
Amendment, under any of the terms or conditions of the Agreement and (ii) any and all claims, 
known and unknown, relating to the Agreement and existing on or before the date of this  
Amendment are forever waived. 
 
5. 
Conflict of Interest. This Amendment and the Agreement may be canceled by the 
City pursuant to A.R.S. § 38-511. 
 
 
[SIGNATURES ON THE FOLLOWING PAGE.] 
 
[REMAINDER OF PAGE TO REMAIN BLANK.]

“City” 
 
CITY OF TOLLESON,  
an Arizona municipal corporation 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Reyes Medrano, Jr., City Manager 
 
 
 
Date 
 
ATTEST: 
 
 
 
 
 
 
 
 
Crystal Zamora, City Clerk 
 
APPROVED AS TO FORM: 
 
 
 
 
 
 
 
 
Justin S. Pierce, City Attorney 
 
 
 
[ADDITIONAL SIGNATURE ON FOLLOWING PAGE.]

“Contractor” 
 
ARROWHEAD PUMP AND SUPPLY, LLC, 
an Arizona limited liability company 
 
By: 
 
 
Name: Kevin Oliver 
 
 
 
 
 
Date 9/24/2025 
Title: President