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Historically, no lead piping has been found by city employees throughout the course of installation, replacement, inspections and upgrades to the city’s water system.

There will be no further correspondence sent to properties that have service lines identified as non-lead.

When the City of Sonoma performed site inspections, we found that your water service from the meter to your home to be galvanized iron. Galvanized iron is a material that has the potential to absorb lead over time. We currently do not have any city-owned lead water services within the City of Sonoma. Records show...

View/Download the notice (coming soon) to learn more and explore next steps.

The City of Sonoma is gathering information about service line material while installing new water meters as part of the in-progress Advanced Metering Infrastructure (AMI) project. A map showing up-to-date identification of all water services is located on the Lead Service Line Inventory webpage. In addition to field inspections, data from existing records, utility maps,...

The water service line inventory is part of a national effort to ensure public water systems are reducing lead exposure to their customers. The U.S. EPA requires all large public water purveyors to complete a Lead Service Line Inventory (LSL Inventory). The objective of the LSL Inventory is to determine if there are any lead...

The City of Sonoma is responsible for the public portion of the service lines (the pipes that go from the main line to your water meter) and property owners are responsible for the portion that goes from water meter to the home or building on the property.

The water service line is the pipe infrastructure that supplies water from the City's main to the customer's building. This line begins at the main connection and connects to the building inlet. The City operates and maintains the pipe from the main up to and including the water meter. The customer's responsibility begins after the...