Police suspect that the contamination of the municipal water in the city of Nokia next to Tampere may have caused the deaths of two people.
According to an investigation into the crisis, in which treated sewage accidentally leaked into the clean water supply, there are indications that the deaths of an elderly Tampere woman and a middle-aged Nokia man may have been linked with drinking the contaminated water.
Hannu Kallionimemi of the Tampere police that there are aspects that give cause to suspect that the tainted water may contributed to the deaths.
This means that the employee working at the Nokia water works, who opened a valve letting the waste water into the clean water supply, could face two wrongful death charges.
The woman died in hospital in early December, and the man was found dead in his home.
The Nokia water crisis began in late November
The leakage of partially treated sewage into the water supply caused an extensive outbreak of intestinal disorders.
Police initially investigated seven questionable deaths, but in five cases, the role of the contaminated water was ruled out.