EWG's Tap Water Database: What's in Your Drinking Water?

Below are the results for utilities serving the searched zip code and the surrounding county.

Utility name	City	People served
Aliamanu	Schofield Barracks	Population served: 6,406
Barbers Point	Waikoloa	Population served: 5,256
Camp Stover	Jbpph	Population served: 595
Dillingham Airfield	Honolulu	Population served: 1,800
Dillingham Ranch	Beverly Hills	Population served: 100
Fort Shafter	Schofield Barracks	Population served: 7,067
Honolulu-Windward-Pearl Harbor	Honolulu	Population served: 631,389
Joint Base Pearl Harbor-Hickam	Jbpph	Population served: 65,230
Kahuku	Honolulu	Population served: 2,730
Kahuku Air Base	Kahuku	Population served: 75
Kamehameha Schools	Honolulu	Population served: 4,000
Kipapa Acres C.p.r.	Aiea	Population served: 43
Kunia Village	Kunia	Population served: 650
Laie Water Company	Laie	Population served: 5,577
Marine Corps Base Hawaii	Kaneohe Bay	Population served: 16,300
Mililani	Honolulu	Population served: 50,573
Nctams Eastpac	Jbpph	Population served: 6,470
Poamoho	Honolulu	Population served: 25
Schofield Barracks	Schofield Barracks	Population served: 37,920
The Queen's Medical Center	Honolulu	Population served: 3,440
Tripler Army Medical Center	Schofield Barracks	Population served: 5,555
Wahiawa	Honolulu	Population served: 23,348
Waiahole	Honolulu	Population served: 300
Waialee-sunset Beach	Honolulu	Population served: 4,916
Waialua	Honolulu	Population served: 9,996
Waialua Sugar Pump 2	Wahiawa	Population served: 400
Waiawa Correctional Facility	Pearl City	Population served: 444
Waipahu-Ewa-Waianae	Honolulu	Population served: 217,479
Waipio Heights	Honolulu	Population served: 11,516
Woodlands At Nuuanu	Honolulu	Population served: 48