North Kona is a large public water system in EPA region 9 that provides tap water for the 96725, 96740, 96750 zip codes. It has 26 facilities where the water supply was tested for 75 chemical contaminants that impact tap water quality and human health.
The maximum reported level of HAA5 (five regulated haloacetic acids) was 1.04 µg/L. The maximum reported level of Manganese was 2 µg/L. There were 2 contamintants found in the North Kona water supply at levels that were above the minimum reporting level.
Holualoa Well Chlorinator
Ground Water (GW)Well BoosterEntry Point to the Distribution System (EP)
Kahaluu Shaft
Ground Water (GW)Kahaluu #3 Tk. OutletEntry Point to the Distribution System (EP)
Keahuolu Well #1 Chlorinator
Ground Water (GW)Keahuolu Tk. Inlet ControlEntry Point to the Distribution System (EP)
Honokohau Well Chlorinator
Ground Water (GW)Honokohau Res. Eff. LineEntry Point to the Distribution System (EP)
Kahaluu Well Field Blend Chlorinator
Ground Water (GW)Tank A (Output All Wells)Entry Point to the Distribution System (EP)
Hualalai Well Chlorinator
Ground Water (GW)Hualalai Res. Eff. LineEntry Point to the Distribution System (EP)
Kalaoa Well Chlorinator
Ground Water (GW)Kalaoa Res. Eff. LineEntry Point to the Distribution System (EP)
Waiaha Well Chlorinator
Ground Water (GW)Waiaha Res. Eff. LineEntry Point to the Distribution System (EP)
Keopu-Puuhonua Well Chlorinator
Ground Water (GW)Keopu-Puuhonua Tank Eff. LineEntry Point to the Distribution System (EP)
Palani Well 1 Chlorinator
Ground Water (GW)Palani Well 1 EPDEntry Point to the Distribution System (EP)
Makalei Estates Well Chlorinator
Ground Water (GW)Puukala Tank EPDEntry Point to the Distribution System (EP)
North Kona Dist
Ground Water (GW)Holualoa SchoolDistribution System (DS)
North Kona Dist
Ground Water (GW)Kealakehe SchoolDistribution System (DS)
Distribution System
Ground Water (GW)Hillcrest ParkMaximum Residence Time (MR)
Keahole Tank Outlet (Bacti Tap)Maximum Residence Time (MR)
Denny's Kailua-KonaMaximum Residence Time (MR)
Kona Acres #2 Tank (Bacti Tap)Maximum Residence Time (MR)
Holualoa Booster StationMaximum Residence Time (MR)
Distribution System
Ground Water (GW)Palani #3 Tank Site-Tap Off High Prs.LineMaximum Residence Time (MR)
Halekii Well
Ground Water (GW)Halekii ReservoirEntry Point to the Distribution System (EP)
HOLUALOA (3657-01)
Ground Water (GW)HOLUALOA (3657-01)UK (UK)
KAHALUU SHAFT 3557-05
Ground Water (GW)KAHALUU SHAFT 3557-05UK (UK)
KAHALUU WELL D 3557-04
Ground Water (GW)KAHALUU WELL D 3557-04UK (UK)
KAHALUU WELL C 3557-03
Ground Water (GW)KAHALUU WELL C 3557-03UK (UK)
KAHUALUU WELL A 3447-01
Ground Water (GW)KAHUALUU WELL A 3447-01UK (UK)
KEAHUOLU WELL #1
Ground Water (GW)KEAHUOLU WELL #1UK (UK)
HALEKII WELL
Ground Water (GW)HALEKII WELLUK (UK)
HONOKAHAU WELL
Ground Water (GW)HONOKAHAU WELLUK (UK)
KALAOA WELL
Ground Water (GW)KALAOA WELLUK (UK)
HUALALAI WELL
Ground Water (GW)HUALALAI WELLUK (UK)
The latest water samples were taken on April 22nd, 2025.