Kailua, HI Water Quality Report

Is Kailua tap water safe? See PFAS and lead contamination levels for Kailua, Hawaii. Compare to EPA limits and get filter recommendations.

Quick Answers

Is Kailua, HI tap water safe to drink? Kailua, HI tap water meets most federal EPA limits, but PFAS compounds have been detected at an average of 0 ppt across 1 compound. A certified pitcher filter or reverse osmosis system is recommended for sensitive populations.

What contaminants are in Kailua, HI water? Top PFAS compounds detected in Kailua water: PFHxS (0 ppt). See the full table for all monitored contaminants and comparison to EPA limits.

What filter should I use in Kailua, HI? Match the filter to what's in Hawaii water: reverse osmosis handles PFAS, lead, and arsenic together (90%+ removal); NSF-53 certified pitchers like Clearly Filtered or ZeroWater cover taps you drink from. A standard Brita pitcher will not remove PFAS.

Kailua, HI Water Quality Summary

EPA testing has detected PFAS "forever chemicals" in Kailua, HI drinking water. Recent monitoring found a peak level of 0 ppt across 1 water system, representing an average of 0 ppt across 1 detected compound.

Contamination Level: LOW – Low contamination – PFAS detected but at lower levels; monitoring continues.

Top Detected Compounds

  • PFHxS: 0 ppt

Lead in Kailua, HI Water

EPA Lead and Copper Rule testing has recorded 3 lead samples for Kailua water systems, with a 90th-percentile high of 0.005094 mg/L (within the EPA 0.015 mg/L action level). There is no safe level of lead for children; if your home was built before 1986, a certified NSF/ANSI 53 lead-removal filter is recommended.

About the Data

These figures come from the EPA's Unregulated Contaminant Monitoring Rule 5 (UCMR5) testing program, 2023-2025. UCMR5 is the most comprehensive national drinking water survey in US history, covering 66,000+ public water systems. Population of Kailua, HI: approximately 50,218.

ZIP Codes Served

96734

What Kailua, Hawaii Residents Should Do

  1. Enter your exact ZIP code at knowyourexposure.com for address-level data
  2. If anyone in your household is pregnant or under 5, prioritize a certified PFAS filter now and consider a home test kit
  3. For long-term protection, an NSF/ANSI 58 reverse osmosis system removes 94-99% of PFAS
  4. Read the Consumer Confidence Report (CCR) your Hawaii utility publishes each year