Storm water
Haminan Vesi has previously taken care of stormwater drainage in the area of the city of Hamina.
On 22 of September 2020, the city council decided that the city of Hamina will be responsible for stormwater treatment, starting from 1 of January 2021.
The entire stormwater network was transferred from Haminan Vesi to the property and management of the city of Hamina. Haminan Vesi will no longer charge a basic fee or connection fees for stormwater.