Lead Pipe Map

Hawaii · 24 community water systems

Lead pipes in Honolulu County, HI

24 community water systems serving Honolulu County reported 0 lead and 106 galvanized-requiring-replacement service lines, plus 1,693 of unknown material. The most are in Joint Base Pearl Harbor-Hickam.

<0.1% of these systems' lines are lead or galvanized requiring replacement, lower than the Hawaii average (0.1%) and lower than the national average (3.1%).

0Lead
106Galvanized, replace
1,693Unknown
203,679Non-lead

Water systems serving Honolulu County

Water systemLeadGalv.Unknown% leadPeople
Joint Base Pearl Harbor-HickamPearl Harbor08700.4%65,230
Nctams EastpacWahiawa01535.4%6,470
Waialua Sugar Pump 2Waialua-Haleiwa031092.5%400
Dillingham RanchWaialua-Haleiwa01551.5%100
Schofield BarracksHonolulu County009970%37,920
Barbers PointWaipahu-Ewa-Waianae001780%5,256
Fort ShafterHonolulu County001530%7,067
AliamanuSalt Lake001340%6,406
Kahuku Air BaseKahuku Air Base00240%75
Waiawa Correctional FacilityWaipahu00190%444
Kamehameha SchoolsKapalama00110%4,000
Dillingham AirfieldMokuleia0070%1,800
Tripler Army Medical CNTRMoanalua0030%5,555
Hnl-Windward-Pearl HarborHonolulu-Windward-Pearlharbor0000%631,389
Waipahu-Ewa-WaianaeWaipahu-Ewa-Waianae0000%217,479
MililaniMililani Bws0000%50,573
WahiawaHonolulu County0000%23,348
Marine Corps Base HawaiiKaneohe0000%16,300
Waipio HeightsWaipio0000%11,516
Waialua-HaleiwaWaialua-Haleiwa0000%9,996
Laie Water CompanyLaie0000%5,577
Waialee-Sunset BeachSunset Beach0000%4,916
The Queen'S Medical CenterDowntown Honolulu0000%3,440
KahukuKahuku0000%2,730

Systems that also serve other counties are counted in full. Your water bill names your utility.

What to do if your line is lead or unknown

  1. Check the pipe where water enters your home.
  2. Use a filter certified to NSF/ANSI 53 for lead for drinking and cooking.
  3. Test your water, often free through the utility.
  4. Ask your utility about free or discounted replacement; most lines must be replaced by December 31, 2037.

Check another water system

Questions

Does Honolulu County have lead pipes?

Yes. Water systems serving Honolulu County reported 0 lead and 106 galvanized-requiring-replacement service lines, plus 1,693 of unknown material.

Which Honolulu County water systems have the most lead lines?

Joint Base Pearl Harbor-Hickam (87), Nctams Eastpac (15), Waialua Sugar Pump 2 (3).

How do I check my home in Honolulu County?

Find the water system named on your water bill in the table above, open its page and use its address-level inventory. You can also scratch-test the pipe where it enters your home.