City Council Agenda
Memo to:
Manteca City Council
From:
Jose Jasso - Assistant City Manager / Interim Director of Public Works
Prepared by:
George Montross - Deputy Director of Public Works / Water Resources
Date:
February 17, 2026
Subject:
Hold a Public Hearing and Approve the 2025 Public Health Goals Report On Drinking Water Quality
Recommendation:
title
Conduct a public hearing and adopt a resolution approving the 2025 Public Health Goals Report.
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Background:
The California Health and Safety Code, Section 116470, requires public water systems serving more than 10,000 water service connections, to prepare a Public Health Goals Report and conduct a public hearing to provide information to consumers on levels of constituents in the City's drinking water. The City of Manteca operates a public water system and serves over 30,000 water connections, so a Public Health Goals Report must be completed.
The 2025 Public Health Goals Report covers the 2022-2025 reporting period. During this period, the City's drinking water quality met all California Division of Drinking Water (DDW) and United States Environmental Protection Agency (USEPA) drinking water standards, except for 1,2,3 Trichloropropane (TCP). On January 1, 2026, the City of Manteca did come into compliance with 1,2,3 TCP's Maximum Contaminate Level (MCL) and will no longer be mailing out quarterly public notices.
Public Health Goals (PHG) are health based recommendations and not enforceable standards. The City's water system detected seven constituents above the PHG at various groundwater wells. The constituents are Arsenic, Chromium 6, 1,2,3 TCP, 1-2 Dibromo-3-chloropropane (DBCP), Tetrachloroethylene (PCE), Gross Alpha and Uranium. Please reference Attachment 2, Public Health Goals Report, for concentration levels of detected constituents.
Analysis:
Based on existing studies and current treatment technologies, elimination of the seven constituents would require highly advanc...
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