Providing reliable, economic and sustainable supply

Waimakariri Irrigation Ltd (WIL) is a run-of-river scheme with resource consent to take water from the Waimakariri River to irrigate 23,000 hectares. It is one of the largest schemes in the South Island. Ensuring farmers actively manage irrigation to guarantee water is being used efficiently is central to the core of WIL.

Environmental stewardship is a vital part of WIL’s daily operations. The company is recognised as a leader in water management, providing access to a reliable, economic and sustainable supply.

January 22, 2019

Promising results for Silverstream denitrification wall trial

Nitrate levels in groundwater have been reduced from 7.1mg/l to 0.5 mg/l at the site of an Institute of Environmental and Scientific Research (ESR)-led denitrification wall… Read More
November 7, 2018

Infiltration trial could solve Silverstream’s nitrate issues

A three-year infiltration trial being carried out by Environment Canterbury and Waimakariri Irrigation Limited (WIL) aims to reduce Silverstream’s nitrate levels by introducing more water into… Read More
September 17, 2018

Promising results from WIL biodiversity stocktake

Over 200 sites of biodiversity interest, along with freshwater mussels have been discovered during a biodiversity stocktake of land and waterways within the Waimakariri Irrigation Limited… Read More