Pöyrysjärvi (Myrskylä)

Pöyrysjärvi is a lake surrounded by the open bog on the border are of the town of Orimattila and municipality of Myrskylä. It is classed as a precious natural reserve in Päijänne Tavastia county. Apart from that the city of Orimattila classifies it as an important object for teaching of marsh types and its fauna.[1]

Pöyrysjärvi
Panorama view from the northern beach
Pöyrysjärvi is located in Finland
Pöyrysjärvi
Pöyrysjärvi
Locationsoutheastern Finland
Coordinates60°42′53.70″N 25°50′6.90″E / 60.7149167°N 25.8352500°E / 60.7149167; 25.8352500
Primary outflowsKoskenkylänjoki
Basin countriesFinland
Surface area0.02 km2 (0.0077 sq mi)
Average depth3 m (9.8 ft)
Max. depth4 m (13 ft)
Surface elevation61.3 m (201 ft)
SettlementsMyrskylä, Orimattila

The other lakes connected to the Myrskylänjoki watershed are Isojärvi, Vähäjärvi, Muttilanjärvi, Siippo, Sopajärvi, Kirkkojärvi and Sulkavanjärvi.

Environmental issues

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The town of Orimattila measures every fifth or sixth year some parametres related to the water. 10 July 2006 the results were:

  • solids: 0,029 g/L
  • oxygen-%: 24.0 (on the surface) / 8.87 mL/L (on the surface), 11.3% (on the bottom) / 1.1 mL/L (on the bottom)
  • Redox pot. (Mv): 307.0
  • pH: 4.2
  • total phosphor: 15 μg/L
  • total nitrogen: 380 μg/L
  • total chlorophyll: 15 μg/L

References

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  1. ^ "Kalatalouden Keskusliitto". www.ahven.net. Archived from the original on 2002-09-17.

Sources

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