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Työpajankatu 8
00580 Helsinki
P.O. Box 58213, 00099 City of Helsinki
+358 9 310 22111
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The effects of construction on groundwater are difficult to anticipate, but builders in Helsinki are assisted by data from long-term groundwater studies.
If the water table lowers or the groundwater flow slows in the Helsinki city centre, buildings resting on wooden piles may be damaged. As a result, it is of particular importance to monitor groundwater in this area.
Groundwater observations
The City actively monitors groundwater at observation points located in various parts of the city.