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WATER CATCHMENT AREAS IN SCOTLAND 257 
and converted into an impounding reservoir containing 
347,000,000 gallons of water. The catchment area, 2680 
acres in extent, is held by the Corporation as a freehold, 
and comprises : 
Above 1500 feet elevation . * . : 17 acres, 
Between 1000 and 1500 feet . 3 : ie LOSG.: 
Below 1000 feet . ‘ é : ; Ay SU eye 
Total 5 2680 acres. 
The area, which is uninhabited and of a peaty nature, is 
grazed by sheep, there being no arable land or plantations. 
The water from Loch Finlas, which is very soft and slightly 
brownish from a peaty stain, is conveyed to Knockjarder 
reservoir, where it is mixed with the Milton and Grange 
spring water, the mixture obtained being passed through 
filter beds. No scheme of planting the Loch Finlas catch- 
ment area has been proposed. See description of Ayr 
water supply by John Young, C.E., in Proc. Inc. Assoc. 
Municipal and County Engineers, vol. 32, pp. 82-93 (1906). 
Girvan obtains its water supply from Pinmacher Burn, 
3 miles to the south-east of the town. The catchment 
area consists of 200 acres of hill pasture at 500 to 800 
feet elevation. The Town Council own only the site of the 
reservoir. 
Troon, Prestwick, and the Ayrshire Special Water District, 
which includes many mining villages, are supplied with 
water from Loch Bradan in the southern highlands of Ayr- 
shire. Loch Bradan was raised a height of 8 feet by a 
dam built across the valley, thus making it and the ad- 
joining Loch Lure one continuous sheet of water, 166 acres 
in extent and 986 feet above sea-level. There are five 
other small lakes on the watershed : Lochs Dhu, Breckbowie, 
Skelloch, Cornish, and Girvan Eye. The catchment area, 
3650 acres in extent, is clean hill pasture, absolutely free 
from human habitation. The Troon Town Council own 
only the land covered by Lochs Bradan and Lure, which 
are fenced in. The Loch Bradan area adjoins the Loch 
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