The joint municipal authority of the Tampere city region (Finnish: Tampereen kaupunkiseutu, Swedish: Tammerfors stadsregion) consists of eight municipalities: Tampere, Kangasala, Lempäälä, Nokia, Orivesi, Pirkkala, Vesilahti and Ylöjärvi.
The Tampere metropolitan area has a population of about 423,000, making it the second largest region in Finland after Helsinki.
In addition to Tampere, the service area includes Kangasala, Lempäälä, Nokia, Orivesi, Pirkkala, Vesilahti and Ylöjärvi.
It also provides partial services in the municipalities of Nokia, Lempäälä, Kangasala and Ylöjärvi.
Tampere Water is responsible for the supply, treatment and distribution of clean water, the construction and maintenance of networks, the transport of wastewater, rainwater and snowmelt, the maintenance of the sewerage system and the treatment of wastewater.