D._i

28

TABLE No. 7— continued. IRRIGATION AND WATER-SUPPLY— continued. Schedule of Schemes under Investigation— continued.

Scheme. Source of Supply. Main Canals River Discharge Average Rainfall Discharge (Maximum), from (Minimum). as per Records available. Design. Rainfall, 1923 I I I Area Length of Length of Expenditure Estimate commanded Main Distribu- to 31st to (f-rionV Canal. taries. March, 1924.' complete. Remarks. Hawea Flats (later alternative Chapman's Gully Hawea River (pumping) Cusecs. Cusecs. Inches. 2 97 (Hawea Flat) Inches. 21-80 12-76 16-90 Acres. Miles. Miles. 17,600 .. 100 3,000 7 £ £ 71,720 Latest tentative proposal. Electric power not necessary, but water to be pumped by direct apphcation ol power generated by low-pressure turbines at outlet of Lake Hawea. This appears preferable to alternative No. 1, and appears to be a promising scheme. Further closer survey and estimates are necessary. 1,165 May yet be amalgamated with Last Chance scheme or possible scheme from Conroy's Gully. £ 71,720 Butcher's Creek, Conroy's Creek, and storage dam 14-78 (Alexandra) Bendigo Flat Lindis River and storage dam Teviot River and Lake Onslow dam 40 30 40 80 16-90 (Tarras) 13-80 (Roxburgh East) Teviot River Extension 15-59 20-73 26-19 13,400 2,000 ... 1,200 4,000 i To irrigate Teviot and Ettrick. Involves enlargement of Lake Onslow dam. Some further investigations made, and survey expected to be commenced shortly. Proposed to utilize abandoned race oi Island Block Extended Gold-mining Company. A new and promising proposal, which is about to be placed under survey. To supply water to part of Mount Pisa Settlement lands. Survey about tc proceed. 50,000 For lands about St. Bathan s. Includes £12,000 towards cost of Falls dam, Upper Manuherikia scheme. Miller's Flat Minzionburn 6 ! I Luggate Burn i Luggate Burn 6 12 (after existing rights) 20 2113 (Luggate) 27-83 (St. Bathan's) Scandinavian Tributaries of Manuherikia River and Ewebum Reservoir