Balderhead Reservoir

Balderhead Reservoir is a reservoir in Baldersdale, County Durham, England. It is one of a chain of three reservoirs on the River Balder, a tributary of the River Tees, which it joins at Cotherstone, about 5 miles (8 km) to the east. Balderhead Reservoir was commissioned by the Tees Valley and Cleveland Water Board (TVCWB) to increase water supply to Teesdale and Teesside.