Janakkala.fiContactsJanakkala Water Customer Service Janakkala Water Customer Service Office is open Monday-Friday 9 AM – 3 PM. Janakkala Water 050 509 0485 janakkalanvesi@janakkala.fi Harvialantie 7 B, 2nd floor, 14200 Turenki Office open Mon-Fri 9 AM-3 PM or by appointment.