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Installation of a bioinfiltration basin. Photo: Ramsey Washington Metro Conservation District. |
Two year-old installation. Photo: Ramsey Washington Metro Conservation District. |
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Unimproved situation: Storm sewer drains entire parking lot directly into lake. Photo: Dakota County Soil and Water Conservation District. |
Installation of a bioinfiltration basin: Applying 2 feet of sand. Photo: Dakota County Soil and Water Conservation District. |
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Applying 6 inches of compost which is mixed in with the sand. Photos: Dakota County Soil and Water Conservation District. |
Planting native grasses, sedges and flowers in the basin, low shrubs on berm. Photo: Dakota County Soil and Water Conservation District. |
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A 1 inch rain event drained in less than 6 hours. Today, a dry filter box would be installed at the curb cut to catch sediment. Photo: Dakota County Soil and Water Conservation District. |
The entire parking lot now drains into bioinfiltration basin. The shoreline was also restored. Photo: Dakota County Soil and Water Conservation District. |
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