Press Release – Greenpeace New Zealand Greenpeace is conducting free drop-in water testing days in Ashburton and Temuka this coming weekend to enable households to check their bore water for nitrate contamination. 10am – 2pm, Saturday 10th July at Mid Canterbury Community House, 44 Cass St, Ashburton …Greenpeace is conducting free drop-in water testing days in Ashburton and Temuka this coming weekend to enable households to check their bore water for nitrate contamination. 10am – 2pm, Saturday 10th July at Mid Canterbury Community House, 44 Cass St, Ashburton 10am – 2pm, Sunday 11th July at Alpine Energy Community Centre, Fergusson Drive, Temuka Greenpeace is running the testing in conjunction with the Federation of Freshwater Anglers.