St. Louis to alert residents whose water lines contain or may contain lead

ST. LOUIS – In compliance with federal laws, the City of St. Louis’s Water Division will soon contact residents whose water service lines are known to contain lead or whose materials are unknown.

City leaders are looking to update their inventory service lines in compliance with the EPA’s Lead and Copper Rule Improvements . In early November, the city will send letters to residents in need of service line improvements or updates to their service line records.

For more than 20 years, the city has treated its water to reduce the of lead absorbed from service lines and plumbing. The Water Division’s regular water testing has helped keep lead levels many homes below the EPA’s current limit of 15 parts per billion, including some below the stricter 10 parts per billion standard coming in 2027.

The Water Division tests water quality daily and samples homes with lead service lines to ensure compliance with EPA standards.

To help the Water Division with its inventory efforts, customers are asked to fill out an online survey to help the Water Division confirm their service line information.

The Water Division estimates that around 9,000 service lines have a status of lead, 46,000 have a status of non-lead, and 58,000 have a status of unknown.

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