Maulde (river)
See also: Maulde (homonymy)
The Maulde ( Mauda in Occitan) is a small river of the Creuse and High-Vienna. It takes its source in the commune of Gentioux-Pigerolles (Digs) and is thrown, after a East-West way of 70 Kilomètre S approximately, in the Vienna of the commune of Saint-Léonard-with-Noblat to have just upstream fed the stopping of Artige shortly after.
Geography
It crosses the communes of Gentioux-Pigerolles, False-the-Mountain, Royère-with-Vassivière, Saint-Martin-Castle (Creuse), Peyrat-the-Castle, Saint-Julien-the-Small and of Bujaleuf (High-Vienna).
Maulde receives many affluents of which the Langladure, the Tourtoulloux….It is in Saint Martin-Castle, that Maulde becomes, on 3,2 kilometers with a unevenness of 14 measure, the Cascade of Jarrauds which allowed into 1889 to electrify the Town of Bourganeuf.
It feeds the greatest artificial water reserve of the Limousin: the lake of the Dam Vassivière.
Fed stoppings (direction Upstream - Downstream): Vassivière, Mount-Small drainage canal, Martineix, Fleix, Bujaleuf, Langleret, Villejoubert, Artige.
Hydrology
Maulde is a river small, but extremely abundant, in spite of the exiguity of its basin. The Lame of water of flow of its catchment area is worth 793 millimetres indeed, that is to say close to twice and half more than whole France, all confused basins. Its interannual medium flow or module with Peyrat-the-Castle, locality located not far from its confluence, is of 2,44 m ³ a second for a surface of 97 km ² of catchment area.
The river though enough regular presents the seasonal fluctuations of flow typical of the area, with winter risings from December to May included, and low waters of end of summer, from July to September.
In period of low water level, the VCN3 can fall until less than 0,4 m ³. Let us recall that the VCN3 is the past minimal quantity or minimal flow over three days consecutive.
The risings occur without being very important, at least in comparison with the average of the rivers of the department. The QIX 2 and QIX 5 are worth respectively 11 and 14 m ³. They are the flows calculated for a biennial and quinquennial rising. The QIX 10, or calculated flow of decennial rising, is only of 16 m ³ a second (see note). In other words, every two years, Maulde should have a rising of about 11 m ³, and statistically, every ten years, a rising of 16 m ³ must occur, which is hardly high.
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