WATER CATCHMENT AREAS IN IRELAND 301 
gathering grounds unknown and not included). One hun- 
dred and twelve acres owned by two local authorities. 
Nenagh: gathering ground of about 4000 acres, on the 
headwaters of the Newtown River, between 300 and 1517 
feet elevation, extending from the reservoir east of Pallas 
More, westward to Tountinna Mountain, and comprising 
2400 acres of arable land in grass, 1500 acres of mountain 
pasture, and 100 acres of plantations. There are 12 
dwelling-houses on the gathering ground, all at a consider- 
able distance from the stream; and in the opinion of the 
County Surveyor the area is so free from pollution that the 
water supply does not require filtration. The Council own 
none of the gathering ground. 
Templemore: supply from Kilduff stream at 672 feet 
elevation ; gathering ground of 1000 acres, between 700 
and 1200 feet elevation, comprising 900 acres of mountain 
grazing and 100 acres of plantations, with four dwelling- 
houses. Intercepting drains at Kilwardy House discharge 
below the reservoir. The Council own none of the gather- 
ing ground. The water is filtered. 
Thurles: supply from small stream and adjoining springs 
in Knockalough townland, 7 miles west of the town, at 
975 feet elevation; area of gathering ground unknown. 
The Council own 24 acres. The water is filtered. 
Tipperary: gathering ground from springs at 1952 feet 
elevation in Galtee Mountains, oozing from a moraine 
beside a lake ; catchment area 20 acres, not owned by the 
Council. Water very pure and no risk of contamination. 
Large plantation below the gathering ground. 
Carrick-on-Suir: gathering ground of 400 acres in 
Comeragh Mountains, Co. Waterford, at Crotty’s Lake, 
between 700 and 2400 feet elevation, all mountain pasture, 
without dwelling-houses or farmsteads. Only six well 
sites, covering less than + acre, are owned by the Council. 
The supply is from springs, and no filtration is required. 
