North America
Honolulu
United States of America
Quick Answer
Tap water is safe to drink.
Traveling to Honolulu? Stay Hydrated Safely
Even in safe destinations, a portable water filter gives you peace of mind for your adventures.
🛒Get a Travel Water Filter on Amazon→Detailed Guidance
Honolulu tap water meets U.S. standards and is generally safe to drink; bottled water is optional. If you prefer better taste, use a portable filter or buy bottled water for drinking.
Tap Water Usage Guide
Brush Teeth
Yes
Ice Cubes
Safe
Wash Fruit
Yes
Shower
Yes
Restaurants
Varies (often available on request)
Locals Drink
Yes (commonly)
Water Quality Score
Water Quality
Good
Water Source
Oʻahu's water supply is drawn mainly from groundwater aquifers recharged by mountain rainfall and from some surface reservoirs; the Honolulu Board of Water Supply treats and monitors water with filtration, chlorination, and fluoridation under EPA regulations.
Travel Safety Information
Pickpocket Risk
Moderate
Night Safety
Mostly safe
Scam Risk
Moderate
English Level
Native
Best Time to Visit
Year-round (best April–May & September–November)
🛒 Don't Forget Your Travel Essential
Be prepared for your Honolulu trip with a portable water filter. Perfect for travel, hiking, and peace of mind.
View on Amazon→Other Cities in United States of America
New York City
United States of America
New York City tap water is generally safe to drink, so most visitors can drink, brush teeth, and refill bottles from the tap. If you are staying in an older building with old plumbing, consider using a simple lead filter or bottled water as a precaution.
Los Angeles
United States of America
Los Angeles tap water is treated and generally safe to drink, but it can taste chlorinated and is fairly hard; use a small filter or bottled water if you’re sensitive to taste or have a weak stomach.
Chicago
United States of America
Chicago tap water is treated and generally safe to drink, but if you’re staying in an older building or are pregnant/immunocompromised consider using a short-term pitcher or NSF-certified filter or bottled water.
San Francisco
United States of America
San Francisco tap water is treated and safe to drink straight from the tap; if you prefer, use a simple carbon filter for taste or to reduce trace chloramine. Bottled water is widely available if you prefer it.