Testing for Lead in California Drinking Water Plumbing Products
Plumbing products may be leaching lead into drinking water. Lead can be harmful to humans. Exposure to lead can cause serious adverse health effects, including delays in physical and mental development.
The amount of lead leached into drinking water from plumbing products depends on a number of factors - the amount of lead in the plumbing parts, how large an area of a lead-containing part comes into contact with the water, how long the water is in contact with the lead-containing surface, and the corrosiveness of the water.
California enacted law effective January 2009 to protect members of the public from exposure to lead in drinking water. The law reduces the amount of lead allowed in plumbing components intended to convey or dispense water for human consumption.
The following reports provide additional information on this subject, including protocols for DTSC's testing and evaluation of lead content in the drinking water plumbing product samples.
DTSC's role in implementing the portions of the legislation related to sampling and testing consists of: