zipradar

Lead pipes · ZIP 20001

Lead pipes in Washington, DC

ZIP 20001 (District of Columbia) — lead pipes summary sourced from EPA LCRR + RTI National Lead Pipe Map. Refreshed on the cadence of the primary regulator with every claim cited to the source record.

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. Stale data is flagged, never silently served. Primary source →

Limitations specific to this source

Coverage rolls out state-by-state through 2026-2027 per the federal timeline. Utilities with incomplete inventories are flagged rather than omitted.

District of Columbia context

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.

Full dashboard for ZIP 20001

Lead pipes is one of twelve dimensions zipradar federates per address. See the full federated summary for ZIP 20001:

Open Washington, DC dashboard →