FAQ Topic: Lead Service Line Inventory

What about commercial businesses?

While the Lead and Copper Rule Revisions primarily focus on residences, schools, and daycare centers, commercial businesses and business centers with service lines less than two inches are also included in the service line inventory.

How do I know whether my drinking water contains lead?

Several factors can be considered to determine whether your plumbing contains lead. Because it is colorless and tasteless, lead is not readily apparent in water. In 1986, the use of plumbing materials and fixtures with lead was banned in California. Therefore, homes built after 1986 do not have lead service lines due to changes in … Continued

How is the inventory conducted?

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, … Continued

Why are we checking/taking inventory of water service lines?

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 … Continued

Who is responsible for maintaining water service lines?

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.

What is a Water Service Line? 

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 … Continued

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