D.—l

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

32

i Main Canals I ' River Discharge Average Rainfall Rainfall Area Length of ; Length of Expenditure Estimate! Seheme. | Source of Supply. Discharge (Maximum), from , q 9( - ' i commanded Main I Distribu- to 31st to ' Remarks. (Minimum). as per Records available. (Gross). Canal. 1 taries. March, 1926. complete. I Design. Cusecs. Cusecs. Inches. Inches. Acres. Miles. Miles. £ £ * Teviot River Extension Teviot River and Lake 40 80 13-95 15*10 13,400 .. .. .. 200 To irrigate Teviot and Ettrick. InOnslow dam (Roxburgh East) (Survey volves enlargement of Lake Onslow only) dam. Some further investigations 4 made, and survey expected to be | commenced next spring. Miller's Plat .. .. Minzionburn .. .. 6 .. .. .. 2,000 .. .. 113 21,000 Proposed to utilize abandoned race of Island Block Extended Gold-mining Company. A new and promising proposal. Survey completed. Luggate Burn .. .. Luggate Burn .. j 6 12 21-32 14-12 1,200 .. .. 263 5,000 To supply water to part of Mount Pisa (after ex- (Luggate) (7 months settlement lands. Detail proposals isting only) in hand. rights) Scandinavian .. .. Tributaries of Manuheri- I 20 28-70 31-93 4,000 .. .. .. 50,000 For lands about St. Bathans. Includes kia River (St. Bathan's) £12,000 towards cost of Falls dam, Upper Manuherikia scheme. Soil Survey (Central Otago) .. I •• •• •• •• •• •• •• 214 1,621 Approximately 370,000 acres surveyed, 88,000 of which are irrigable. 500,000 acres are to be surveyed this year, of which 360,000 are considered irrigable. Investigation of proposed .. .. .. .. .. .. .. .. 199 1,000 Includes the reading of river and rain schemes j gauges. * Put under Teviot River scheme above, with which it will be ultimately amalgamated.