Waikato River arsenic levels found to be within normal range
In this story Watercare, Hamilton City Council

Water testing between Lake Ōhakuri and Rangiriri shows arsenic levels in the Waikato River are within expected ranges. This follows reports from Watercare and Hamilton City Council regarding elevated arsenic levels detected at two treatment facilities. Watercare reported river samples measured between 0.0189 and 0.0256 milligrams per litre.

