23

D.—l

TABLE No. 7-continued. Schedules of Schemes under Investigation.

Scheme. i Source of Supply. River Discharge (Minimum). Main Canals Discharge (Maximum), as per Design. Rainfall (Average for Five Years). -p . ... Area I Length of Length of Expenditure isSr commanded j Main Distribu- to 31st lazl - (Gross). ! Canals. taries. March, 1922. J I Estimate to complete. Remarks. I I I Last Chance Water-race Maniototo Cusecs. Cusecs. Shingle Creek, Gorge 9 15 Creek, and Chasm Creek Taieri River and storage 25 500 dam Cusecs. 15 500 Inches. No records Inches. Acres. No records 4,300 Miles. 30 60 Miles. £ 1,139 66 £ 7,000 Water available for 1,800 acres only. Modified scheme for complete irrigation of 5,000 acres is possible without storage, or for reasonable partial irrigation of 15,000 acres. Boaring Meg Stieam : This will iirigate 3,750 acres, and may be reduced in cost by charging £11,350 to possible hydro - electric - power development. Kawarau River: A private company is developing this portion of scheme. These schemes include the whole of irrigable lands in Manuherikia Valley, White Sow Valley, and part Maniototo Plains about Ranfurly. For complete irrigation depends entirely on storage dams, but a useful partial irrigation supply might be installed without dams for majority of area. Dams to follow later. Survey proceeding. To irrigate Arrow Flats, Miller's Flat, Speargrass Flat, and Frankton. Survey proceeding. 20-10 (Ewebum) .„„. 18-34 100,000 Cromwell Flat and Lowburn - Roaring Meg Stream 29 40 (gravity), Kawarau 3,000 River (pumping) 40 21-75 (Luggate) 22-33 15,000 10 30 39,700 Upper Manuherikia schemes - ManuherikiaandDunstan ! 77 Several, Rivers, two storage i not fixed dams in Manuherikia River, and one in Dun- j stan River 17-59 (Clyde, Ophir, and Blackstone Hill) 17-21 90,000 325 Arrow Biver scheme j Arrow River .. .. 100 3218 (Queenstown) 24-96 (Maungawera) 21-75 (Luggate) 28-65 6,536 17 24 93,598 Hawea Flat scheme Timaru Creek.. .. 20 30 (About) Lindis River .. .. 50 63 23 03 3,000 10 M. ch. 13 16 M. ch. 15 60 77,500 I Tarras scheme 22-33 7,000 Bendigo Flat scheme .. Lindis River and storage 50 30 dam Teviot River and Lake j 40 80 Onslow dam 21-75 (Luggate) 21-97 (Roxburgh) 22-33 3,000 Miles. 7 Miles. 18 Teviot Biver scheme 22-08 16,400 22 7 Involves enlarging Lake Onslow dam.