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Excellent Water Quality

Honolulu, HI 96821

Honolulu County · Population served: 632,239

Water Systems Serving This Area

🌊
KOHALA RANCH WATER CO.
Groundwater · Pop. 850
PWSID: HI0000151
🌊
HNL-WINDWARD-PEARL HARBOR
Groundwater · Pop. 631,389
PWSID: HI0000331

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
10.8
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

1 detected All below limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFHxS3.0 ppt10 ppt10 pptBelow limit