]> 2026-04-16T03:58:16+00:00 Case study:Restoration of Vakkolankoski Torrent 500 en Approved Building of submerged weirs and pits Introduction of gravel Creation of fish passes Centre for Economic Development, Transport and the Environment for Uusimaa Fenno-Scandian Shield Regional ELY-centre Regional Environment Institute Municipality of Askola No No Yes Restoration of Vakkolankoski Torrent construction of the fishway.JPG Construction of the fishway 60.516715150168,25.581277277124 Olli Centre for Economic Development, Transport and the Environment for Uusimaa Jaakonaho Building of submerged weirs and pits, Introduction of gravel, Creation of fish passes,,, ,,, 1066 Vakkolankoski.JPG 2008-01-01Z 2454466.5 Complete Vakkolankoski torrent was restored as a part of the Porvoonjoki River restoration project for migrating fish. The power plant and the dam in the torrent has been obstacle for fish migration to the upstream reaches. The aim of the project was to enable fish migration by constucting the bypass channel to pass the dam. Slight meanders were excavated and stones and gravel were placed to increase the biodiversity of the brook and to create fish habitats. The restoration took place in 2008-2009 and the project was accomplished in co-operation between Centre for Economic Development, Transport and the Environment for Uusimaa and the municipality of Askola and NGO´s. Costs of the whole restoration was 232 000 euros. Restoration of Vakkolankoski Torrent restoration of vakkolankoski torrent Porvoonjoki River Basin Vakkolankoski Torrent vakkolankoski torrent Vakkolankoski Torrent vakkolankoski torrent Vakkolankoski Torrent Habitat and biodiversity 232 100 - 500 k€ 2009-01-01Z 2454832.5 2012-08-10T14:00:05Z 2456150.0833912 2017-06-02T08:37:02Z 2457906.8590509 Restoration of Vakkolankoski Torrent 500 1 plainlist 5 [[Category:Case study]] [[Project title::!Restoration of Vakkolankoski Torrent]] [[Subcatchment title::Vakkolankoski Torrent]] Restoration of Vakkolankoski Torrent# QUERYc3dbd05d93c7250ec0d7888e16acdeb5