HomeMy WebLinkAboutItem #4 LSL Council Update_081623Lead Service Lateral Replacement Program
August 16, 2023
Miguel Guerrero, General Manger
Water/Sewer Service Lateral Responsibilities
Typical Water Service Lateral
Service Lateral Materials (2018 EAR)
•Total Services = 45,684
•Material
•Copper –37,917
•Galvanized Steel –2,734
•Polyethylene –2,625
•Unknown –2,180
•Ductile Iron –102
•Cast Iron –81
•Steel –45
Health and Safety Code Service Line Inventory
•California Health and Safety code, Section 116885, added by
Senate Bill 1398 (2016) and amended by Senate Bill 427 (2017)
•Community Water Systems must inventory lead service lines in
system by July 1, 2018
–“lead fittings on lead pipe” –0
–“lead fittings not on a lead pipe” –2,734 (galvanized)
–“unknown” –2,180
•Replacement plan must be submitted by July 1, 2020
•Replacement plan updates by April 30 each year until complete
•Execution of replacement plan anticipated by end of 2024
2018 Inventory
2021 Inventory
Program Progress
Year # of Services Notes
2017-2018 4,914 Initial services identified (unknown + galvanized)
2019-2020 1,400 Extensive research, data/records cleanup, field verifications
2021-2022 884 Further refinement by overlaying and updating development
data and 215 widening project
2022 585 Field verifications of San Anselmo area confirmed no lead
services, all copper
2023 585 Contract awarded for potholing, verification, replacement for
278 services; remaining 307 services (ARPA funded Muscoy
area) award fall of 2023
2024 0 Completion anticipated summer 2024