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A number of years ago, the Town of Littleton received a state grant to revitalize Long Lake; among the measures being implemented with the funding are bioretention cells and rain gardens in the neighborhoods surrounding the Lake. These kinds of stormwater management tools are becoming increasingly popular in communities looking to treat stormwater before it is discharged into storm drains and makes its way to our lakes and streams.
The rain gardens are designed to collect stormwater runoff from roofs and impervious surfaces and allow it to recharge into the ground. These gardens filter out the harmful nutrients that would typically be flushed directly into the Lake. Perennial plants are planted in the garden and thrive off the nutrients left behind. Rain gardens have an additional benefit in reducing the need for large amounts of turf; they create a pleasing landscape that does not require additional watering that a lawn would need.
A wetlands park at the end of Beach Road and Lake Drive was constructed with a boardwalk to provide public access. Porous pavers were installed to allow the stormwater to infiltrate the ground, reducing runoff and increasing recharge into the ground. It has become a natural habitat for birds and other species. A kiosk is being constructed that will provide information on the project and other important environmental issues.
For those interested in learning more about the concepts described, please visit the Low Impact Development Center's website at www.lowimpactdevelopment.org
Construction underway at the boat ramp
A vegetative swale will filter runoff before it enters Long Lake
Construction has been completed at the boat ramp with the installation of porous pavers and crushed stone that will allow water to recharge into the ground
Excavation begins for the rain gardens
Crushed stone is added to allow water to recharge into the ground
Clean fill is added on top of the crushed stone
The perennials are placed in the location where they will be planted
The rain garden is complete
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