City Council Agenda
Memo to:
Manteca City Council
From:
Michael Selling, Director of Engineering/City Engineer
Prepared by: Wing Chang, Assistant Engineer;
Somporn Boonsalat, Deputy Director of Engineering
Date: September 15, 2026 Subject: Well 22 Treatment Facility CIP No. 26033
Recommendation:
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Adopt a resolution approving the Plans and Specifications for the Well 22 Treatment Facility Project CIP No. 26033 (District 1: at Walnut Place Park); authorizing a Call for Bids; 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 is a potable water well located in Walnut Place Park. 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 begin compliance monitoring and reporting by 2027. Full compliance with all Maximum Contaminant Levels (MCL) must be achieved before 2029. Water quality testing has detected PFAS compounds in Well 22 at concentrations exceeding the advisory levels set by the EPA.
On October 21, 2025, the City Council was notified b...
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