City Council Agenda
Memo to:
Manteca City Council
From:
Michael Selling, Assistant Director of Engineering/City Engineer
Prepared by:
Wing Chang, Assistant Engineer
Somporn Boonsalat, Deputy Director of Engineering
Date:
May 12, 2026
Subject:
Well 22 Treatment Facility
Recommendation:
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Adopt a resolution approving Amendment No. 1 to Agreement C2026-08 with Kleinfelder, Inc. for the Well 22 Treatment Facility Project CIP No. 26033 in the amount of $733,496 for engineering design services with a total not-to-exceed amount of $933,496 and authorizing the City Manager or designee to take all appropriate actions necessary to carry out the purpose and intent of the resolution.
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Background:
Well 22, located at 376 Victory Ave adjacent to Walnut Place Park is a potable water well. The site is currently equipped with a submersible pump, above-ground discharge piping, and onsite electrical and telemetry infrastructure for system integration and remote monitoring with SSJID surface water blending capabilities.
Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) are a group of synthetic chemicals widely used in various industrial and consumer products for their resistance to water, grease, and stains. Common applications include firefighting foam, non-stick cookware, water-repellent fabrics, and food packaging.
The City of Manteca (City) joined a class action lawsuit against PFAS manufacturers 3M, DuPont, Tyco and BASF. To date, the City has been able to recover $2,638,315.26 to be used towards known PFAS treatment.
In April 2024, the Environmental Protection Agency (EPA) adopted new national drinking water standards for six PFAS compounds. Public water systems must complete initial monitoring and began compliance monitoring and reporting by 2027. Full compliance with all Maximum Contaminant Levels (MCL) must be achieved before 2029. Recent testing has detected PFAS compounds in Well 22 at concentrations exceeding the advisory levels set by th...
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