Resolution No.
STOCKTON CITY COUNCIL
ADOPT A RESOLUTION AUTHORIZING CONTRACT AMENDMENT NO. 6 WITH EVOQUA WATER TECHNOLOGIES IN THE AMOUNT OF $200,000 TO PURCHASE HYDROGEN PEROXIDE AND SERVICE SOFTWARE FOR WASTEWATER TREATMENT The Municipal Utilities Department (MUD) is responsible for operating and maintaining wastewater collection and treatment infrastructure for the City of Stockton. MUD operations staff uses ferric chloride and hydrogen peroxide to reduce hydrogen sulfide concentrations in wastewater. Hydrogen Sulfide is a corrosive compound that in high concentrations can cause premature infrastructure failure and costly repairs; and On August 20, 2019, by motion 2019-08-20-1111, the City Council authorized a five-year contract with Evoqua Water Technologies LLC (Evoqua) for $1,648,150. The contract, set to expire on June 30, 2024, included the rental of a hydrogen peroxide storage tank, service software, and the purchase of hydrogen peroxide for wastewater treatment; and The cost per gallon of hydrogen peroxide fluctuates based on raw material and energy prices, supply and demand dynamics, and disruptions in the supply chain. Under City Manager contracting authority, contract change orders and Amendments No. 1 through No. 5 added $281,110 to the contract to cover increases in product unit costs and to extend the contract through June 30, 2026; and Staff recommend that the City Council adopt a resolution to approve Amendment No. 6 with Evoqua Water Technologies LLC (Exhibit 1) adding $200,000 to the contract, and revising the total contract amount to $2,129,260; now, therefore, BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF STOCKTON, AS FOLLOWS:
Amendment No. 6 adding $200,000 to the contract with Evoqua Water Technologies LLC, for a total contract amount of $2,129,260, is hereby approved, and the City Manager is authorized and directed to execute same, a copy of which is attached as Exhibit 1 and incorporated by this reference. //
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The City Manager or designee is hereby authorized to take appropriate and necessary actions to carry out the purpose and intent of this Resolution.
PASSED, APPROVED, and ADOPTED November 4, 2025 .
CHRISTINA FUGAZI
Mayor of the City of Stockton
ATTEST:
KATHERINE ROLAND, CMC, CPMC
City Clerk of the City of Stockton