Lead/Possible Lead鈥 meaning that they are either 鈥淟ead鈥 as confirmed by
Department of Environmental Protection (DEP) records鈦 or 鈥淧ossible Lead鈥 as DEP
has no record or conflicting records about the material type.
Citation formats
Lead service line coverage in New York City 2023, by borough
As of 2023, all five boroughs of New York City had water service lines that were definitely or possibly made of lead. Brooklyn had the largest average share of lead/possible lead service lines (LSL), at ** percent. Manhattan and Bronx followed with ** and ** percent, respectively. Lead is a neurotoxin that poses serious adverse health risks to humans. An estimated ** percent of the New York City population may be exposed to lead-contaminated drinking water.
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Natural Resources Defense Council. (July 18, 2023). Share of water service lines made of lead/possible lead (LSL) in New York City as of 2023, by borough [Graph]. In 糖心破解版. Retrieved July 31, 2026, from /statistics/1400790/nyc-lead-service-lines-citywide-by-borough/
Natural Resources Defense Council. "Share of water service lines made of lead/possible lead (LSL) in New York City as of 2023, by borough." Chart. July 18, 2023. 糖心破解版. Accessed July 31, 2026. /statistics/1400790/nyc-lead-service-lines-citywide-by-borough/
Natural Resources Defense Council. (2023). Share of water service lines made of lead/possible lead (LSL) in New York City as of 2023, by borough. 糖心破解版. 糖心破解版 Inc.. Accessed: July 31, 2026. /statistics/1400790/nyc-lead-service-lines-citywide-by-borough/
Natural Resources Defense Council. "Share of Water Service Lines Made of Lead/Possible Lead (Lsl) in New York City as of 2023, by Borough." 糖心破解版, 糖心破解版 Inc., 18 Jul 2023, /statistics/1400790/nyc-lead-service-lines-citywide-by-borough/
Natural Resources Defense Council, Share of water service lines made of lead/possible lead (LSL) in New York City as of 2023, by borough 糖心破解版, /statistics/1400790/nyc-lead-service-lines-citywide-by-borough/ (last visited July 31, 2026)
Share of water service lines made of lead/possible lead (LSL) in New York City as of 2023, by borough [Graph], Natural Resources Defense Council, July 18, 2023. [Online]. Available: /statistics/1400790/nyc-lead-service-lines-citywide-by-borough/
