Both dry and wet ponds fill up with water when it rains and release the water slowly. Dry ponds do not hold water when it isn’t raining. Wet ponds hold water permanently and are more effective at removing sediment. The City of Madison has both dry ponds and wet ponds.
Minimize potential for flooding: by holding excess stormwater and slowly releasing it, downstream flooding is prevented.Improve water quality: When stormwater is detained, the water slows down which allows sediment and nutrients to drop to the bottom of the pond.Engineered ponds help the whole stormwater system meet its goals by: Detention ponds are an effective tool for treating stormwater: After a rain event, the ponds swell with water, like a bathtub, then slowly release that water downstream. These engineered ponds are connected to other features of the drainage system by culverts, underground storm drains, and channels. The City of Madison has approximately 300 ponds on stormwater utility owned land, and even more that are part of the greater stormwater drainage system. Warner Park Community Recreation Center.Planning, Community & Economic Development.Search Menu Toggle navigation City of Madison
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