DEP Home : Water : Restoration Projects : White Oak Neighborhood Stormwater Retrofits
White Oak Neighborhood Stormwater Retrofit
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This marks one of the first multi-facility LID projects to be undertaken in the county to reduce stormwater pollution and flows on a small neighborhood scale. These small scale stormwater management facilities are designed to provide water quality treatment for smaller storm events (1.0 inch of rain), which, due to their higher frequency of occurrence, account for a significant proportion of the total pollution to our streams. Roadway LID facilities are designed to intercept water as it flows along the curb and route it through dense vegetation slowing the rate of flow and allowing the water to soak into the permeable soil mix comprised of topsoil, sand and mulch. As water passes through the vegetation and soil, pollutants are filtered out before the water flows out via an underdrain. The underdrain is connected to the existing stormdrain system.
View a larger cross sectional view of a typical LID stormwater management facility.
LID facilities constructed at White Oak will provide environmental benefits, improve the aesthetics of the properties where reasonably possible with appropriate landscaping, and provide opportunities for community education. Maintenance of the facilities will be provided by DEP with funds from the Water Quality Protection Charge.
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