Ty Mawr is a reservoir located between Llwyneinion and the Ruabon Moors in Wrexham County Borough, Wales. It is next to Cae Llwyd Reservoir.

Ty Mawr Reservoir
Cronfa Ty Mawr (Welsh)
Overlooking the reservoir
Map showing the location of Ty Mawr Reservoir in Wrexham County Borough
Map showing the location of Ty Mawr Reservoir in Wrexham County Borough
Ty Mawr Reservoir
LocationWrexham, Wales
Coordinates53°01′27″N 3°04′54″W / 53.02420044°N 3.08161472°W / 53.02420044; -3.08161472
TypeArtificial pumped-storage inland raw water reservoir[1]
Primary inflowsEsclusham Mountain, Eglwyseg Mountain and Cae Llwyd Reservoir
River sourcesPentre-bychan Brook catchment
Catchment area19 hectares (0.19 km2)
Surface area8.6 hectares (86,000 m2)
Average depth10 metres (33 ft) (mean)
Water volume593,000 m3 (130,000,000 imp gal)
Salinitymoderate alkalinity
Shore length11.102 kilometres (0.685 mi)
Surface elevation245 metres (804 ft)
SettlementsWrexham, Rhosllanerchrugog, Chirk
References[2][3]
1 Shore length is not a well-defined measure.
The dam wall of Ty Mawr Reservoir

Description

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The reservoir opened in 1908, and is operated today by Hafren Dyfrdwy on behalf of Severn Trent. It is 8.6 hectares (21 acres) in area, of moderate alkalinity, humic and a shallow reservoir of a mean depth of 10 metres (33 ft). It is part of a system of several small reservoirs including the Cae Llwyd Reservoir and Pen-y-Cae Reservoirs. The water of the lake is sourced from the drainage basin of the Pentre-bychan Brook and the Cae Llwyd Reservoir located at a higher elevation to the west of the reservoir. The catchment area of the lake is 19 hectares (47 acres).[4] It holds the greatest continuous embankment length (600 metres (2,000 ft)) of any of the reservoirs operated by Severn Trent, and the embankment is made of a clay core. It can hold a capacity of 593,000 m3 (130 million imperial gallons).[5]

The reservoir supplies Wrexham, Chester and surrounding areas, with it notably popular as a venue for anglers.[6]

See also

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References

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  1. ^ "Ty Mawr Reservoir in Wrexham (Wrecsam)". www.landscapebritain.co.uk. Retrieved 26 April 2022.
  2. ^ "TY MAWR RESERVOIR, WREXHAM (WRECSAM) (LL14 4LF)". OS GetOutside. Retrieved 26 April 2022.
  3. ^ "Ty Mawr Reservoir Water Body ID 34331". eip.ceh.ac.uk. Retrieved 26 April 2022.
  4. ^ Hatton-Ellis, Tristan (2016). Evidence Review of Lake Eutrophication in Wales — 6.21. Ty Mawr Reservoir (PDF). Natural Resources Wales. p. 112.
  5. ^ Maintaining the safety of our reservoirs – Raw water reservoir surveillance training manual (PDF). Severn Trent. 4 March 2019. p. 18.
  6. ^ Hemming, Jez (27 December 2019). "Christmas rubbish dumped at beauty spot - and this councillor's not holding back". North Wales Live. Retrieved 26 April 2022.