WATER CATCHMENT AREAS 221 



a catchment area of 1604 acres, between 450 and 900 

 feet elevation, of which the Corporation own about 111 

 acres. This gathering ground comprises 654 acres of arable 

 land and hill pasture and 950 acres of plantations. There 

 is one storage reservoir at Wentwood, Llanvaches. 



The water is filtered, and prevention of contamination 

 on the gathering grounds is guarded against by " constant 

 inspection and provision of drainage." 



The Corporation intend to extend their water supply by 

 a new scheme in Brecknockshire, involving a large reservoir 

 at Pont Rhyd y bine, 2^ miles from Talybont, with a catch- 

 ment area of 5510 acres at Caerfanell, situated between 

 650 and 2500 feet elevation, none of which is owned by 

 the Corporation. No Parliamentary powers have been yet 

 obtained. 



Tredegar Urban District Council obtains its water supply 

 in part from the Georgetown reservoir, a mile east of the 

 town, with a gathering ground of 160 acres, between 1200 

 and 1500 feet elevation, and comprising 60 acres of arable 

 land, 40 acres of hill pasture, and 60 acres of plantations, 

 with one farmhouse. The water is filtered. 



Abertillery and District Joint Water Board obtain part of 

 their supply from Tillery Brook, with a catchment area of 

 600 acres on the Blaentylery Mountain, between 1125 

 and 1905 feet elevation, all hill pasture and moorland. 

 The Board own 20 acres. The water, which is filtered, is 

 stored in the Cwmtillery reservoir, and was until lately 

 under the control of the Abertillery Urban District Council. 

 The Board are now constructing the Grwyne Fawr reservoir, 

 on the Black Mountain in Brecknockshire, with a gathering 

 ground of 2150 acres, between 1529 and 2660 feet 

 elevation, all hill pasture and moorland, without habitations 

 or farm-steadings. 



Tlie Bristol Waterworks Company obtain their supply 

 from the Mendip Hills, mainly from streams, though a part 

 is deiived from springs. The Yeo reservoir on the head- 



