The length of the water mains network is around 270 km. During 2011, a total of 2,050,000 m 3 of household water, an average of around 5,500 m 3 per day, was pumped into the network. The length of the wastewater sewer network is around 230 km and the length of stormwater sewer network 120 km. The Kullaanvuori wastewater treatment plant treats a total of 3,700,000 m 3 of wastewater per year and the Siuro wastewater treatment plant 30

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