We have twenty two reservoirs ranging in size from the largest man-made reservoir in north-west Europe, Kielder Water, to the smallest ones like Hisehope and Smiddy Shaw located on Muggleswick Common in County Durham
Some of our reservoirs form an important component of rare habitats like the upland limestone around Cow Green, home to a rare snail and amazing plants like the Spring Gentian and Teesdale Violet. Due to improvements in our treatment processes and distribution systems there are a number of sites that are no longer in active use – such as Tunstall, Scaling Dam and Lockwood Beck. These sites are however still retained and managed for recreational and wildlife interests.
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Download our environment policy
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