Sosiaali- ja terveysministeriön asetus talousveden laatuvaatimuksista ja valvontatutkimuksista / Social- och hälsovårdsministeriets förordning om kvalitetskrav på och kontrollundersökning av hushållsvatten (1352/2015) 17/11/2015

This regulation sets out the quality standards for drinking water in Finland and outlines the requirements for monitoring its safety. It aims to ensure that tap water is safe for consumption and meets health standards. This affects all households and water suppliers in Finland. It details the specific parameters that must be tested and the frequency of these tests to guarantee water quality.