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!!! CAUTION IN WATERCOURSES !!!
Before After
Normal situation A few seconds later: the water level rises and the current strength increases suddenly. The water may also wash away the banks. DANGER !!!

Sudden rises in water level are due to imperative technical requirements or natural phenomena. They may occur :
  • even in fine weather
  • at any time of the day or night
  • without any warning signs
  • many kilometres downstream of the installations (water intakes, dams)
  • even in dry torrents
Hydroelectric operators decline all responsibility in case of accident
 
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© 2012 Valais Association of Electricity Producers (AVPEE)