Lead Pipe Map

Hawaii · population 344,967

Lead pipes in Urban Honolulu, HI

No lead lines reported

Most of Urban Honolulu (population 344,967) gets its water from Hnl-Windward-Pearl Harbor, which reported 109,006 service lines and no lead, galvanized or unknown lines.

0% of Hnl-Windward-Pearl Harbor's service lines are lead or galvanized requiring replacement, lower than the Hawaii average (0.1%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
0Unknown material
109,006Non-lead

Latest lead test for Hnl-Windward-Pearl Harbor (Jan 2016–Dec 2018): not detected at the 90th percentile, against a 15 ppb federal action level. Full test history.

Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for Hnl-Windward-Pearl Harbor.

Water systems serving Urban Honolulu

Water systemLeadGalv.Unknown% lead
Hnl-Windward-Pearl HarborMain system0000%

Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.

Check your address in Urban Honolulu

The counts above cover the whole water system. To see whether your line is lead, look up your address on Hnl-Windward-Pearl Harbor's official inventory. Utilities had to make these public by October 16, 2024.

Find the official inventory mapHnl-Windward-Pearl Harbor details

No map yet? Do the 2-minute scratch and magnet test.

Protect your drinking water

If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.

Pitcher filtersCheapest start. Pick one certified to NSF/ANSI 53 for lead, such as Brita Elite, PUR Plus or ZeroWater.See pitchers Faucet-mount filtersFilters straight from the tap. Look for NSF/ANSI 53 lead reduction on the box.See faucet filters Under-sink systemsBest for families. Carbon block (NSF 53) or reverse osmosis (NSF 58) units rated for lead.See under-sink

Choosing a lead-certified filter · Testing your water · Replacement cost

Check another water system

Questions

Does Urban Honolulu, HI have lead pipes?

Hnl-Windward-Pearl Harbor, which serves Urban Honolulu, reported no lead, galvanized or unknown service lines.

Who supplies water to Urban Honolulu?

EPA's service area maps place most of Urban Honolulu in Hnl-Windward-Pearl Harbor's service area (PWSID HI0000331).

How do I check whether my Urban Honolulu home has a lead service line?

Search your address on Hnl-Windward-Pearl Harbor's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.

When will lead pipes in Urban Honolulu be replaced?

EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask Hnl-Windward-Pearl Harbor whether your street is scheduled and whether it covers the private side.