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I have rain water harvesting pit which is 5 feet in depth.

During the June to October it has water for 3 feet.

November-January , it has water for 4 feet

and rest of the year it has water upto 1 to 1.5 feet.

I'm little worried about water that's stagnating here and what diseases or mosquitoes or insects it might produce.

Should I fill 2 feet with sand or coal or broken brick ? or Should I leave it as it is ?

FYI:

This is a clary area and ground water level goes up , when water starts flowing in river or it's raining.

Update:

Please find the photo of rain water harvesting pit. It's 2 feet circular cement ring well with open bottom

enter image description here

CuriousMan
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2 Answers2

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To solve insects, screening to exclude insects.

To solve "stagnation" either an aerator or a pump so it's not stagnant.

Ecnerwal
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Throw in some mosquito dunks periodically, as necessary.

Huesmann
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