I'm looking for advice on an irrigation pump. Our neighborhood well
has capacity issues and we would like to use the lake for our drip
Since it's a drip system I only need about 30lbs or so of pressure.
It's divided into different segments so there's maybe 100 or so 1
gallon per hour drippers per segment. So my volume requirement is
only a few gpm.
The big (to me anyway) problem is that the lake is about 250 feet
horizontally and 30 or so feet vertically from where I would have to
put the pump. This is because the lake is army corp controlled and
used for flood control. Running wire is not an option both because of
the flood control and the corp won't let you. I'm guessing I can use
check valves to keep the water in the line but I'm not sure how well
So I need a pump that can deal with a long distance and lift from the
water source. Any others familiar with pumps and can suggest what I
ought to be looking at? Of course money is not unlimited so
economical is also a requirement. Thanks all.
As DPB mentions ~33 is your max theorictal suction lift.
Water rights & access issues aside.......
possible soltuions (not in any order)
1) drill another well
2) place your new pump at 250' from the lake BUT in a hole, shaft or
pit ~ 15' deep.
The problem is a pump needs some net positive suction head (NPSH or
NPSHR). Your installation probably will need a foot valve (check
valve at lake inlet)
research pumps in your capaictiy range & find one that requires the
least NPSH. The lower your NPSHR is, the shallower your pit can be.
That was my thought too. If the Corps manages that lake, they own the
water. You need a permit to take it. The fine can get up into 5
As for "sucking" water up 30 feet, it aint gonna happen. You might be
able to run 2 pipes and use a jet head.
I would not do anything until I got the permit from ACOE.
Sounds like the jet pump solution is the only one that would work
because of the distance. That means two pieces of pipe so the cost
I'd ask the corp before I do anything. It's just a 1/4 acre
residential lot so I'm thinking they shouldn't have any issue. I'm
not using it for commercial purposes.
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