How Much Does A Drywell Cost?
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What is a Drywell?
A drywell is a subterranean temporary storage unit designed for displacing water runoff. It can be as simple as a large hole in the ground or a prefabricated chamber with perforated sides to allow water to seep back underground. We all know that standing water in your yard can kill your grass and invite mosquito infestation. If you have a problem with standing water a drywell could be the perfect solution. With a proper drywell, runoff from your roof, excess ground water, and precipitation from large storms will be collected and return to the water table underground.
Drywell Costs
An average-sized drywell will cost $2,000. This will include the labor, the drainage stones for the base of the drywell, and the prefabricated chamber if that is the option you are going for. You might think that a hole in the ground would be a cheaper solution than a pre-fab chamber, but the amount of drainage stones you need in the hole offsets the savings. The major factor that will affect the cost is how deep the well has to be. You should consult with your city’s environmental service. They usually have charts on how far down the water table is in your area and suggestions on how deep your drywell should be.
How Much Does Drywell Installation Cost?
In some cases, calling in a specialist to advise you towards the best drywell solution and the placement of it may be necessary. This may only be $100 to $200 and it is well worth the cost in the long run.
After a period of time it may be necessary to clean out your drywell and remove any debris that may be clogging proper drainage. This can be done by the homeowner or you can have a professional come and clean it for you. Routine maintenance is unavoidable. It beats having to pay for a new drywell if your old one is unusable due to negligence with regards to maintenance.