MANUHERIKIA CATCHMENT WATER STRATEGY GROUP

PRESENTATION BY ALLAN KANE

TOIRRIGATION NEW ZEALAND

7-9 APRIL 2014

BACKGROUND

•Prefeasibility recommendations

•5 and 27m raise Falls Dam

•Mt Ida

•Hope Creek

•Dunstan Flats Gravity

MAKE UP OF THE MCWSG

• Independent Chairman

• Farmer irrigators from the Manuherikia and Ida valleys• Existing irrigation companies and the Falls Dam

company• Community interest groups including DoC, Fish & Game,

Forest and Bird, and Central Otago Environmental Society

• Central and local government

SUPPLY AREAS

CURRENT SITUATION

• Six irrigation companies• One operational company (Falls Dam)• 230 mining privileges/deemed permits most of which

expire in October 2021• 15,000 ha fully irrigated and 10,000 ha partially irrigated• Mainly wild flooding and border dyking• Just in case approach

CURRENT IRRIGATION METHOD

CURRENT IRRIGATION METHOD

ICONIC LANDSCAPES

CHALLENGING ENVIRONMENT

PRISTINE WATERWAYS

INDIGENOUS DRYLAND VEGETATION

RECREATION OPPORTUNITIES

ORIGINS OF THE MANUHERIKIA CATCHMENT WATER STRATEGY GROUP

• Formed in July 2011• Background studies• Early Options• Pre-feasibility studies• Feasiblity study

FEASIBILITY STUDY

Involves: Hydrological Investigations Geotechnical & Engineering Hydro Generation Land Tenure and Access Water Quality Environmental Investigations Water Allocation & RMA Matters Economic and Commercial Investigations (on farm and regional) Scheme Ownership & Management Iwi perspectives

FEASIBILITY STUDY continued

• Estimated cost: $1.5 million• Funded by:

• Irrigation Acceleration Fund – 50%• Farmer irrigatiors – 40%• Otago Regional Council – 10%

FEASIBILITY STUDY continued

• Key elements:

• Upgrading one area

• Two new dams for the Ida Valley

• Raising Falls Dam – options range between 5 m and 27 m

FALLS DAM

ISSUES

• Feasibility Study• Culture Change• Farmer involvement• Community involvement• Governance

NEXT STAGE

• End 2014 • Consent ready• Non-binding indication from farmers

• Early 2015• Consent application• Prospectus• Design