pond aeration #203403 - Ask Extension


pond aeration #203403

Asked July 30, 2014, 11:19 AM EDT

We have a 1-acre pond (approx. 4-6' deep) that has been oxygen depleted and are looking for solutions. It would be nice if we would could temporarily rent/borrow a paddlewheel aerator for this emergency situation. We are located in Brazoria County. Do you know of anyone local that rents these things? Or, do you have any other inexpensive suggestions? Thanks, Bethany C.

Brazoria County Texas

Expert Response

Dear Bethany,
I do not have personal knowledge of any place or person where one can rent or borrow a paddle wheel aerator.

In principal you want to create an oasis for the fish to go to when dissolved oxygen levels are low. This can be achieved by using a submersible pump to pick up the water and spray it into the air, letting it fall back into the pond. An other option is to get a floating pond fountain which does essentially the same thing. These are fairly inexpensive. Finally, if you have a water well to supply water to your pond. The discharge pipe can be used to provide aeration. It would require placing a cap with small holes drilled into the cap. The pressure of the pump would force the water out of the holes creating a stream or spray. The drawback is back pressure on the pump. Therefore, care would need to be taken in the design of this cap.

From pond  management perspective, if your pond is over populated with fish or aquatic weeds or both. Reducing the biological oxygen demand by reducing fish and or plants can help.

If you are feeding your fish daily. Reduce the number of times you feed to twice or three times a weeks.

These are general recommendations based on the information you provided. I'm a phone call or email away if you have further questions. My contact information is below.

John O'Connell Replied July 30, 2014, 1:12 PM EDT

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