New solutions are sought for flooding and nutrient pollution in the drainage area of Lake Pitkäjärvi – survey and event for local residents

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The waters of Lake Pitkäjärvi, extending from Espoo to Vantaa, and its drainage area have become eutrophic in places, and flooding is frequent in the area. The problems are being solved by investigating the possibilities for water management in the area and by implementing practical solutions to improve the situation.

Pitkäjärvi

Lake Pitkäjärvi. Photo: Johanna Pollari.

Water management refers, among other things, to the construction of various flood prevention structures, such as wetlands.

The drainage area of Lake Pitkäjärvi stretches from Träskända in Espoo to Keimola in Vantaa. Observations on water-related problems in the area are collected through a map-based survey, in which residents can mark locations where they have observed flooding, eutrophication or other problems. The survey is available on the osallistuvavantaa.fi website (in Finnish) until 25 May.

The project will be presented at a residents’ event open to all held on 25 May from 16:30 to 18:00. The purpose of the event is to provide information on the situation in Lake Pitkäjärvi and the progress of the project and to hear about local residents’ observations concerning the water bodies in the area. The event will be held in the cafeteria of Lähderannan koulu in Espoo (address: Lähdesuoni 4).

Event programme:

16:30 Opening of the event

16:35 Presentation of the project and information on the situation in Lake Pitkäjärvi

17:00 Open discussion


18:00 Closing of the event

The measures to improve the situation in the drainage area of Lake Pitkäjärvi will be implemented in a joint project between the cities of Vantaa and Espoo and the Uusimaa ELY Centre. The project is funded from 2022 to 2024 by the water protection programme of the Ministry of the Environment.

More information about the project (in Finnish)

You can read more about water management on the vesi.fi website (in Finnish)

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