Görvälns vattenverk, Waterworks in Järfälla Municipality, Sweden
Görvälns vattenverk sits on Skäftingeholmen island in Lake Mälaren and cleans water through modern filtration and purification processes. The plant draws water from different lake depths and treats it with chlorine and other methods before distributing it through a large pipeline network.
The facility began operations in 1929 to address groundwater scarcity in northern Stockholm. Over time it was expanded and modernized to serve more municipalities across the region.
The waterworks preserves a former fisherman's cottage from 1904 on its grounds. This building shows how the island was once inhabited before it became dedicated to drinking water production.
Access to the facility is limited since it is an active drinking water operation with security measures in place. Visitors should check ahead about which areas are accessible or if guided tours are available.
The plant uses water from two different lake depths, which allows for stable quality and temperature control. This method protects against contamination from surface influences.
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