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Home Projects Stormwater Retrofit Projects

Mentor Lagoons Marina Retrofit

Published: 12 July 2016
Written by Linda Moran
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  MENTOR LAGOONS NATURE PRESERVE AND MARINA GREEN INFRASTRUCTURE GATEWAY PARKING AREA

 
The Mentor Marsh is the centerpiece of a complex ecosystem along six miles of Lake Erie coastline. It includes more than 1,400 acres of ecologically sensitive green space and opportunities for passive recreation. The Marsh ecosystem became a National Natural Landmark in 1966 due to its biological diversity, natural beauty, and importance as a migratory waypoint for birds and butterflies. It became Ohio’s first Nature Preserve in 1971.
 
Green infrastructure, including permeable pavement and bioretention, was installed in spring 2016 to reduce the amount of untreated stormwater runoff to Mentor Marsh and Lake Erie.  These systems mimic natural landscapes by soaking up water, cooling it down, and filtering out pollutants. This green infrastructure project is one of very few in the entire state of Ohio at a marina and serves as a demonstration of cost-effective, environmentally-friendly stormwater management for others to follow.
 

Permeable Pavement
This site has 24,600 square feet of permeable pavement. Stormwater flows into the spaces between the pavers and is filtered through layers of rock before it is slowly released from an underdrain into the native soil to recharge the groundwater and Mentor Marsh. 

Bioretention
3,200 square feet of bioretention was installed to treat drainage from the boat storage facility building and perimeter area. Rainwater is taken up by deep-rooted, native plants and drains through layers of sandy soil and gravel that filter out pollutants. The plants also serve as habitat and food for native pollinators.
 
Permeable pavement and bioretention along the Marina’s boat storage facility treat stormwater runoff Purple coneflower (Echinacea purpurea) is one of the deep-rooted plants that soaks up rainwater in the bioretention 

 

Coastal marsh habitat at Mentor Lagoons Nature Preserve
 
High quality Lake Erie coastal habitat Sensitive wildlife, like this northern leopard frog (Lithobates pipiens),
benefit from reductions in polluted stormwater runoff
The City of Mentor received financial support for this project in the amount of $250,000 from the US EPA through the Great Lakes Restoration Initiative.

 

 
 

Chagrin River Watershed Partners

Mailing address
P.O. Box 229
Willoughby, OH 44096-0229
Phone: 440-975-3870

Office location
38238 Glenn Avenue
Willoughby, OH 44094
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Organized and operated as an Ohio non-profit corporation, Chagrin River Watershed Partners is qualified as a tax exempt entity under Section 501(c)(3) of the Internal Revenue Code, and is a public charity under Section 509(a)(1) and 170(b)(1)(A)(vi) of the Internal Revenue Code. CRWP delivers beneficial services to local decision makers in the context of a watershed approach. CRWP supports these services with on-going studies of watershed functions, and shares and collaborates with organizations and communities facing similar issues statewide. CRWP is funded by annual dues payments from member communities, foundation grants, and grants from State and Federal agencies. Member dues are based on the amount of land in the watershed and the assessed value of the community.

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