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Protecting against surface runoff problems

The incidence of extreme precipitation events in Norway is expected to increase in the years ahead, and one consequence of this will be an increase in surface runoff.

Narvik municipality is planning a range of measures to address the problem of surface runoff. The municipality is already struggling with surface runoff diluting domestic and industrial wastewater, which makes it more challenging to process. They are solving
this by replacing the old pipe network that carries industrial/domestic wastewater and surface runoff with two separate pipe networks. By removing surface runoff from
the wastewater network, the municipality will avoid having to pump clean surface runoff unnecessarily, and will free up capacity for its wastewater network.

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Key figures

Outstanding lending:

NOK 59,2 mn.

Total cost:

NOK 613 mn.

Project period:

2020-2023

Category:

Water and wastewater management