Chlorinating Christchurch's drinking water could cost $100m - council123RF.COM A Government report has condemned water regulation across New Zealand. Chemically treating Christchurch's water to make it extra safe for drinking would cost ratepayers more than $100 million, city council officials believe. But medical experts believe Christchurch, which has long-resisted suggestions its drinking water should be treated, is a "special case" because its water quality is so good. JOHN KIRK-ANDERSON/STUFF Much of Christchurch's drinking water is drawn from deep aquifers, fed mainly by the Waimakariri River. Most of Christchurch's drinking water is drawn from deep aquifers beneath the city, fed primarily by the Waimakariri River.

Source: Stuff December 06, 2017 06:22 UTC