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Over the past year, the Deal Lake Commission (DLC) has implemented a variety of stormwater management projects aimed at reducing the volume of stormwater runoff, decreasing total phosphorus loading, and preventing debris, sediment, and pollutants from flowing into waterbodies throughout the Deal Lake, Wesley Lake, and Sunset Lake Watersheds.
These projects encompass a strategic combination of stormwater best management practices (BMPs), including structural BMPs, non-structural controls, and green infrastructure techniques. These stormwater management projects were funded by a Clean Water Act Section 319(h) grant awarded by the New Jersey Department of Environmental Protection to the DLC.
Let’s take a look at some of the recently completed initiatives:
Manufactured Treatment Devices (MTDs) are pre-fabricated stormwater treatment structures used to address stormwater issues in highly developed, urban areas. MTDs capture and remove sediments, metals, hydrocarbons, and other pollutants from stormwater runoff before the runoff reaches surrounding waterbodies and/or storm sewer systems.
This year, Princeton Hydro worked with the DLC and Leon S. Avakian Engineers to design and install three MTDs throughout Asbury Park, NJ with the purpose of improving water quality in Sunset Lake.
Students from the Asbury Park High School Engineering Academy, led by their teacher Kevin Gould, were invited to observe one of the MTD installations. The educational field trip was combined with a presentation from Princeton Hydro’s Senior Aquatic Ecologist Dr. Jack Szczepanski, which was titled, “Ecology and Engineering in Asbury Park.”
Click below to watch one of the recent MTD installations:
Rain gardens are a cost effective, attractive, and sustainable way to minimize stormwater runoff and filter out pollutants. This aesthetic, low-maintenance addition to any outdoor landscape creates a functioning habitat that attracts pollinators, beneficial insects, and birds. And, in a small way, it helps reduce erosion, promote groundwater recharge, and minimize flooding.
The DLC along with the Deal Lake Watershed Alliance, Asbury Park’s Environmental Shade Tree Commission (ESTC), Asbury Park Department of Public Works (DPW) and Princeton Hydro completed a major renovation to an existing rain garden located in front of the Asbury Park bus terminal and municipal building.
The rain garden, which was originally constructed by the ESTC, was not functioning properly due to one of the inlets being completely obstructed by sediment. The DPW helped clear the sediment and regrade it, while the ESTC removed invasive weeds and replanted it with native shrubs, perennials, and flowers.
For more information about rain gardens and instructions on how to build your own, check out our recent blog:
Floating Wetland Islands (FWIs) are a low-cost, effective green infrastructure solution used to mitigate phosphorus and nitrogen stormwater pollution. FWIs are designed to mimic natural wetlands in a sustainable, efficient, and powerful way. They improve water quality by assimilating and removing excess nutrients that could fuel harmful algae blooms; provide valuable ecological habitat for a variety of beneficial species; help mitigate wave and wind erosion impacts; provide an aesthetic element; and add significant biodiversity enhancement within open freshwater environments.
The DLC worked with Princeton Hydro to design and install a total of 12 floating wetland islands, six in Sunset Lake and six in Wesley Lake. A team of volunteers, led by the DLC and Princeton Hydro, planted vegetation in each of the FWIs and launched and secured each island into the lakes.
Clean Water Act Section 319(h) grant related efforts will continue in the Spring of 2022 with the design and installation of “bioscape” gardens and tree boxes. Stay tuned for updates!
To learn more about the Deal Lake Commission, click here. To read about one of Princeton Hydro’s recently completed stormwater management projects, click here.
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