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A lead service line (LSL, also known as lead service pipe, [1] and lead connection pipe [2]) is a pipe made of lead which is used in potable water distribution to connect a water main to a user's premises. Lead exposure is a public health hazard as it causes developmental effects in fetuses, infants, and young children. It also has other health ...
That funding includes $15 billion to cover lead service line replacement and another $11.7 billion that was earmarked to help states to comply with another program, the Safe Drinking Water Act.
It's the water pipe that connects the water main in the street to your property. Modern water mains aren't made of lead, but some service lines are, often those installed before about 1950.
Most U.S. cities would have to replace lead water pipes within 10 years under strict new rules proposed by the Environmental Protection Agency as the Biden administration moves to reduce lead in ...
An expert on water treatment and corrosion, Edwards's research on elevated lead levels in Washington, DC's municipal water supply gained national attention, changed the city's recommendations on water use in homes with lead service pipes, and caused the Centers for Disease Control and Prevention to admit to publishing a report so rife with ...
In homes with copper pipes, the median water lead level dropped from 3.0 micrograms per liter (μg/L) to <1 μg/L; galvanized steel service lines dropped from a median water lead level of 7.2 μg/L to 1.9 μg/L, and lead service lines dropped from a median water lead level of 9.9 μg/L to 2.3 μg/L. [172] 1 μg/L is equivalent to 1 part per ...
The use of lead has been banned in water systems since 1986, and most water pipes are now made of copper or plastic. Both Pasco and Richland public works departments have sent letters to residents.
As hot water is more likely than cold water to contain higher amounts of lead, only cold water from the tap should be used for drinking, cooking, and making baby formula. Since most of the lead in household water usually comes from plumbing in the house and not from the local water supply, using cold water can avoid lead exposure. [223]