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Lac de Pareloup
Lac de Pareloup Location within France
Location	Aveyron
Coordinates	44.205408°N 2.757167°E / 44.205408; 2.757167
Type	reservoir
Primary inflows	Vioulou, pumping station at Bage- taking water from the Viaur and the Bage
Primary outflows	Vioulou, lac de Villefranche-de-Panat via the Alrance power station
Catchment area	376 km2 (145 sq mi)
Basin countries	France
Surface area	12.6 km2 (4.9 sq mi)
Water volume	169 million cubic metres (137,000 acre⋅ft)
Surface elevation	805 m (2,641 ft)

Lac de Pareloup (French pronunciation: [lak də paʁəlu]; Occitan: Lac de Paralop; English: Pareloup Lake) is a lake in Aveyron, France. It lies on the Lévézou plateau, 25 km south east of Rodez.

Description

At an elevation of 805 m, its surface area is 12.6 km². The impermeable granite rocks are very suitable for water capture though the undulating landscape alone does not allow the vertical drops needed for power generation. However, in 1950 the barrage was built and a goit dug leading to the Lac de Villefranche-de-Panat where the waters drop 461m vertically to the power station at Le Pouget on the Tarn river.

This is the fifth largest hydroelectric reservoir by area in France having an area of 1260 hectares. It was formed by creating a dam across the Vioulou, and pumping water 6.4 km, up 80 m from the 53-hectare Bage reservoir on the Bage river and water from the 200 ha Pont-de-Salars reservoir on the Viaur.

Waters from Pareloup can be directed either through the downstream Viaur to the power station at Thuries or through a 10.9 km tunnel to the power station at Alrance at the head of the Lac de Villefranche-de-Panat. A small amount (3.5 hm³) is extracted for use as drinking water in Rodez and Ségala. Pareloup has a catchment area of 376 km²: 160 km² from the Vioulou, Gourde and Céor, 216 km² from the Viaur and Bage. The dam at Pareloup is 43.45 m high and 232 m long- it is 15.87 metres thick at its base, tapering to 2.77 m at the rim. It holds back 167 million  m³ of usable water.

Diagram of the linked rivers, reservoirs, dams, pipelines, pumping stations and power stations.

References

Notes

Bibliography

• EDF Production Transport- Energie Midi-Pyrénées (1994). "Présentation de l aménagement hydroélectrique du Pouget et du barrage de Pareloup (Aveyron)". Hydroécol. Appl. (1994) (in French). 6. 31057 Toulouse: EDF: 1–7. doi:10.1051/hydro:1994001. Retrieved 24 Sep 2012.{{cite journal}}: CS1 maint: location (link)

External links

• Media related to Lac de Pareloup at Wikimedia Commons