Asia
Ulsan
South Korea
Quick Answer
Tap water is safe to drink.
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Ulsan's tap water is treated to national standards and is generally safe to drink, brush your teeth with, and use for washing produce. If you are sensitive to chlorine taste, use bottled or filtered 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
Ulsan's municipal supply is drawn from nearby rivers and reservoirs (part of the Nakdong/Taehwa river systems) and treated at modern water treatment plants using filtration and disinfection; regular monitoring and treatment meet South Korean national standards.
Travel Safety Information
Pickpocket Risk
Low
Night Safety
Mostly safe
Scam Risk
Low
English Level
Moderate
Best Time to Visit
April to June and September to November
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View on Amazon→Other Cities in South Korea
Seoul
South Korea
Seoul's tap water is treated to international standards and is generally safe to drink; many visitors, however, choose bottled or filtered water for taste. You can safely brush your teeth, shower, and use tap water for ice and washing produce.
Busan
South Korea
Busan tap water is treated to meet national standards and is generally safe to drink; some visitors prefer bottled water or a filter for taste. You can safely brush your teeth and use tap water for washing fruit and ice, but carry bottled water if you are sensitive to a slight chlorine taste.
Incheon
South Korea
Tap water in Incheon is treated to strict standards and is generally safe to drink and use for brushing teeth; ice is safe. If you are staying in an older building or have a sensitive stomach, consider bottled water or using a hotel/room filter.
Daegu
South Korea
Daegu's tap water is treated to national and international standards and is generally safe to drink; many residents use household filters for taste. If you have a sensitive stomach or prefer better-tasting water, opt for bottled or filtered water.