Drinking water quality · 2024
· Verified
What's in Honolulu, HI tap water
0 contaminants were measured in the Honolulu, HI water system's 2024 annual report. Each is shown below against its federal limit.
- Reporting year
- 2024
- Contaminants measured
- 0
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- HI
Where your water comes from · EPA SDWIS
Honolulu, HI buys its drinking water from HNL-WINDWARD-PEARL HARBOR.
Source
Treatment
Distribution
Also buys water from HNL-WINDWARD-PEARL HARBOR.
Compliance history
Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.
People also ask about Honolulu, HI's water
+Is Honolulu, HI tap water safe to drink in 2024?
Every one of the 0 contaminants measured in Honolulu, HI's 2024 Consumer Confidence Report is below its federal limit. "Safe" under the EPA's drinking-water standards is health-based, not aesthetic — but by those standards, no measured contaminant in this report exceeds its enforceable threshold. Individual health concerns (e.g. immunocompromised, infant, pregnancy) may warrant additional filtering regardless of compliance.
+What contaminants are in Honolulu, HI tap water?
0 contaminants were measured in Honolulu, HI's 2024 Consumer Confidence Report. 0 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Where does the data on this page come from?
Every value is transcribed from Honolulu, HI's 2024 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is Honolulu, HI's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2024 report; a new report will replace it once the utility publishes its next annual update.