Mali well 80 m deep yielding 5 m³/h: how deep to set the pump?
Mr. Liu
Verified member · Service engineer
Well 80 m deep, static level 22 m, pumping level 45 m during the test.
Yield 5 m³/h, delivered to a tower 200 m away.
Can the pump sit at 60 m, or do we need more margin?
Discussion (3)
Samuel O.Verified member · Service engineer2026-09-05
The pump must sit at least 5 m below the pumping level; 60 m works, but keep 3 m of sand space at the bottom.
Fatou D.Verified member · Procurement lead2026-09-06
Levels drop further in the dry season; design on dry-season data. We once burned a pump running dry.
Ahmed Ben SalahVerified member · Service engineer2026-09-07
Fit a low-level cut-out switch; cheap compared with a pump.
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