HUITTISTEN PUHDISTAMO OY front page Company Cleaning process frequently asked Contact information For more efficient wastewater treatment Huittisten Puhdistamo Oy's wastewater treatment plant treats wastewater from Sastamala, Huittinen and Punkalaitum at least to the level required by the environmental permit conditions. When a company treats wastewater, an economic-technological benefit is achieved compared to a situation where each municipality / city would treat its wastewater itself. The company was established in 2011 to be responsible for the construction of the central wastewater treatment plant. In 2013, the Punkalaidun-Huittinen transmission sewer was completed, in 2016, Sastamala-Huittinen and Vampula-Huittinen. The wastewater treatment plant was put into operation in the summer of 2016 and the treatment plant was completed in its entirety in January 2017. Puhdistamo Oy is responsible for and manages the treatment plant and transfer sewers. The emphasis has shifted from construction to wastewater treatment. The refinery has a population equivalent of almost 80,000, due to the food industry in Huittinen. Treatment plant on call: 044 780 8170 Bulletin board Huittinen | Punkalaidun | Sastamala

HUITTISTEN PUHDISTAMO OY front page Company frequently asked Contact information Area of operation Wastewater cooperation project Design material Central treatment plant Project presentation Company OWNERS Huittisten Puhdistamo Oy is a company founded in 2011 that provides wastewater treatment services. The company's ownership is divided as follows: City of Huittinen 48% City of Sastamala 47% Municipality of Punkalaitumen 5% GOVERNMENT Membership: • Heikki Virtanen, Chairman, Huittinen • Kari Oksanen, Sastamala • Pekka Yli-Mattila, Sastamala • Ulla Ojala, Huittinen • Outi Uusi-Kouvo, Punkalaidun President and CEO: Anna Halinen Secretary to the Board: Outi Jukarainen, Sastamala Huittinen | Punkalaidun | Sastamala

HUITTISTEN PUHDISTAMO OY front page Company frequently asked Contact information For more efficient wastewater treatment Huittisten Puhdistamo Oy's wastewater treatment plant treats wastewater from Sastamala, Huittinen and Punkalaitum at least to the level required by the environmental permit conditions. When a company treats wastewater, an economic-technological benefit is achieved compared to a situation where each municipality / city would treat its wastewater itself. The company was established in 2011 to be responsible for the construction of the central wastewater treatment plant. In 2013, the Punkalaidun-Huittinen transmission sewer was completed, in 2016, Sastamala-Huittinen and Vampula-Huittinen. The wastewater treatment plant was put into operation in the summer of 2016 and the treatment plant was completed in its entirety in January 2017. Puhdistamo Oy is responsible for and manages the treatment plant and transfer sewers. The emphasis has shifted from construction to wastewater treatment. The refinery has a population equivalent of almost 80,000, due to the food industry in Huittinen. Bulletin board Huittinen | Punkalaidun | Sastamala