Is Tønsberg Tap Water Safe To Drink?
Yes! The tap water is safe to drink.
Yes. Tap water in Tønsberg is generally safe to drink and is treated and monitored under Norway’s drinking water regulations.
This applies to homes connected to the municipal water supply. Private wells are not covered by the municipal supply’s routine monitoring and should be tested separately.
Last checked: 2026-10-23
Norway is ranked as number 5 globally with a score of 99.8% in the water quality EPI research conducted by Yale University.
Source of Water in Tønsberg, Norway
Tønsberg’s tap water comes mainly from Lake Eikeren, a regional drinking-water source in Vestfold. The water is treated at the Eidsfoss water treatment plant before entering the supply network.
Vestfold Vann supplies treated water to Tønsberg and nearby municipalities. The local water network delivers it to homes and businesses across the municipality.
Tønsberg Drinking Fountains
Public drinking fountains in Tønsberg are generally safe to use when they are connected to the municipal water supply, which is subject to Norway’s drinking-water standards. Do not drink from a fountain marked non-potable or out of service.
Drinking Water Map
Here is a map showing all the locations of drinking water spots in Tønsberg. You can click on each water drop to open the spot directly in Google Maps for directions. For easy access on the go, download our iOS app to find water fountains nearby.
Nearby Places
About the Author
Hi, I'm Emily Hartman, a researcher and water quality specialist with a background in public health.
I've spent the last few years studying how everyday water systems impact our health, and I'm passionate about making that information clear and useful for everyone.
Safe, clean tap water isn't just my job, it's something I truly care about.