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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 ...
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.
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.
EPA illustration of lead sources in residential buildings Infographic about lead in drinking water. The Lead and Copper Rule (LCR) is a United States federal regulation that limits the concentration of lead and copper allowed in public drinking water at the consumer's tap, as well as limiting the permissible amount of pipe corrosion occurring due to the water itself. [1]
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]
The lead and copper rule improvements would require utilities to replace lead service lines within 10 years regardless of the lead levels that register in water samples.
The US Environmental Protection Agency has proposed a rule that would require water systems across the country to replace lead service lines within 10 years, aiming to accelerate progress toward ...
In (usually older) consumers' premises plumbosolvent water can attack lead pipes, lead service lines, and any lead in solder used to join copper. Plumbosolvency of water can be countered by achieving a pH of 7.5 by increasing the pH with lime or sodium hydroxide (lye), or by providing a protective coating to the inside of lead pipes by the ...