Water quality in water supply network

According to the Collective Water Supply and Wastewater Disposal Act of 7 June 2001 (Journal Laws no. 06.123.858 - article 12.5) and International Standard ISO 9001:2008 (point 7.2.3.a) Torun Waterworks announces the information about quality of water in the water network in the 4rd quarter of 2018.