59 and 60.
asked the Minister of Agriculture, Fisheries and Food (1) if he will state the number of days in the year, averaged over the last five years, that the water on Ullswater has been above normal level; and to what extent agricultural and fishing interests in Westmorland rely on a full and adequate outflow of water in the river below Pooley Bridge; (2) if he will state the known highest and lowest levels of the water on Ullswater, the volume of water outflow at Pooley Bridge at the highest and lowest levels of the lake, respectively, and at normal lake level; and what study has been made of the effect on agriculture of the present proposals to construct a dam at Pooley Bridge so as to hold flood water on the lake at an artificially high level and to
CUMBERLAND RIVER BOARD | ||||
Water Level in Ullswater at Glenridding | ||||
Period | Number of Days | Number of Days | ||
At or less than 475·75 ft. Ordnance Datum | More than 475·75 ft. Ordnance Datum | At or less than 476 ft. Ordnance Datum | More than 476 ft. Ordnance Datum | |
June, 1946—May, 1947 | 72 | 293 | 111 | 254 |
June, 1947—May, 1948 | 110 | 256 | 195 | 171 |
June, 1948—May, 1949 | 34 | 331 | 80 | 285 |
June, 1949—May, 1950 | 125 | 240 | 164 | 201 |
January, 1951—December, 1951 | 76 | 289 | 142 | 223 |
Average number of days in each 12 month period | 83·4 | 281·8 | 138·4 | 226·8 |
The Board has no records of discharges from the Lake at Pooley Bridge, but after a dry period in 1959 the flow at Carleton was 13½ million gallons per day. |