Eglwys Nunydd
Eglwys Nunydd is located in Neath Port Talbot
Eglwys Nunydd
Eglwys Nunydd
LocationMargam, Wales
Coordinates51°32′58″N 3°44′22″W / 51.54944°N 3.73944°W / 51.54944; -3.73944
Typereservoir
Basin countriesUnited Kingdom

The Eglwys Nunydd is a 260-acre (110 ha) supply reservoir[1] in Margam, Wales. It was originally constructed in 1963 to provide cooling water for the cold rolling mills at the nearby Port Talbot steelworks.[2] [3]

Description

Eglwys Nunydd covers 260 acres (110 ha),[4] and has a shore line two thirds of which is in the form of a concrete bowl.[3] It is around 14 feet (4.3 m) deep.[2]

Birdlife

Eglwys Nunydd has shallow, alkaline water with a bed that comprises mainly silt and cobbles. The fertility of the bed encourages weed growth, which in turn promotes a productive insect population.[4] It was originally designated as a Site of Special Scientific Interest for its birdlife in 1972, and this was confirmed in 1982. The site is notable for its breeding birds which include great crested grebe, little grebe, mallard, gadwall and Eurasian coot.[5] Other species normally present include tufted duck and common pochard, and among local birdwatchers it has a reputation for producing locally rare birds such as goosander, smew, long-tailed duck, greater scaup and great northern diver.[6]

Killer shrimp

In 2010 it was reported that the invasive amphipod Dikerogammarus villosus had been found in the reservoir.[7] Anglers have observed that these crustaceans form a major part of the diet of the reservoir's rainbow trout stock, and have been told to be aware of biosecurity when fishing, so that they do not transfer the "killer shrimp" to other waters.[4]

Recreation

The lake supports a trout[1] and coarse fishery managed by Tata Game Angling.[3] It is also used for dinghy sailing run by the Tata Sailing Club.[2]

References

  1. 1 2 "Fisharound - Eglwys Nunydd reservoir". Fisharound. Retrieved 24 March 2020.
  2. 1 2 3 "Eglwys Nunydd Reservoir, Margam (414947)". Coflein. RCAHMW. Retrieved 24 March 2020.
  3. 1 2 3 "History". Tata Game Fishing Club. Retrieved 24 March 2020.
  4. 1 2 3 "Eglwys Nunydd Reservoir (Tata Game Angling)". The Wye & Usk Foundation. Retrieved 24 March 2020.
  5. ↑ "Eglwys Nunydd Reservoir" (PDF). Natural Resources Wales. 12 July 2009. Retrieved 24 March 2020.
  6. ↑ "Birding Neath Port Talbot". The Fat Birder. Retrieved 24 March 2020.
  7. ↑ "Invasive 'killer' shrimp found at two sites in Wales". BBC. 29 November 2010. Retrieved 24 March 2020.
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