Mayfield Hinds - Contract area 32,000 hectares | Scheme allocation 16.5 cubic m/sec.

Valetta - Contract area 7,300 hectares | Scheme allocation 4.4 cubic m/sec.

Ashburton Lyndhurst - Contract area 25,000 hectares | Scheme allocation 13.0 cubic m/sec.

Total Area Irrigated 64,380 hectares.

Total Irrigation Water Demand 33.95 cubic m/sec.

Irrigation season 10th September to 9th May, Generation Season 10th May to 9th September.

Montalto - Station capacity 1.8 MW | Operating head 7 metres | Average generation 12 GWh

Highbank - Station capacity 25.5 MW | Operating head 104 metres | Average generation 94 GWh

Ashburton District Ranges from 300 litres / sec to 1500 litres / sec depending on seasonal requirement