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Lead pipes · District of Columbia

Lead pipes in District of Columbia

Lead pipes (EPA LCRR + RTI National Lead Pipe Map) data for ZIP codes in District of Columbia. Pick a ZIP below to dive into the lead pipes summary.

Last verified 2026-05-13 · methodology

What lands here

Pages show the utility's reported count of lead, galvanized-requiring-replacement, and unknown-material lines, plus the state's reporting compliance status.

Source & refresh

EPA LCRR + RTI National Lead Pipe Map. Refreshed quarterly as state primacy agencies report. Primary source →

District of Columbia top concern

Lead service lines (DC Water), flood

DC Water has documented elevated lead service line replacement obligations under LCRR. The Anacostia + Potomac waterfronts have FEMA AE zones; FBI UCR jurisdictional reporting for DC differs from state UCR aggregations.

See District of Columbia state page for the full state-level rollup across all 12 dimensions.

Read more on lead pipes

Editorial deep-dives explaining the source data, its limits, and how to read it.

2 District of Columbia ZIPs