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Skip Navigation LinksDNREC : News : Proposed plan to restore Mirror Lake in Dover now available

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Contact:  Melanie Rapp, DNREC Public Affairs, 302-739-9902 

Proposed plan to restore Mirror Lake in Dover now available
Innovative plan will significantly improve health of the lake

DOVER (Feb. 27, 2013) - The Delaware Department of Natural Resource and Environmental Control has announced the proposed plan and specifications for the project that will clean-up and restore Mirror Lake in Dover. The innovative plan, part of a subaqueous lands application, will use activated carbon – the same technology in many water filters – to bind contaminants in lake sediments, significantly improving the health of Mirror Lake.

An example of J-Hook Vane rip-rap for stream and water erosion restorationMirror Lake is a gateway to historic old Dover. The health of the lake has been in decline for several decades due to stormwater runoff and sedimentation, invasive plant species and contaminants in bottom sediments that accumulate in fish.

 In addition to incorporating activated carbon into contaminated sediments of Mirror Lake and the St. Jones River downstream to Court Street, the proposed plan adds native plants to the eastern bank of the lake to improve water quality and enhance the existing wetland habitat. Coir logs, artificial logs made of coconut husks, and a stone rip-rap vane structure will also be utilized to prevent streambank and wetland erosion. 

The proposed plan, developed following public input at an Aug. 22 community workshop and approved by the Dover City Council, is available on DNREC’s website by clicking here.

Coir logs - artificial logs made of coconut husks - will help reduce erosion at Mirror Lake in DoverThe Mirror Lake project is the largest and most ambitious part of the final phase of the Silver Lake Park Revitalization Project, a multi-phased restoration plan to improve water quality and protect the banks of the St. Jones River, Silver Lake, and Mirror Lake. Initiated in 2007, the project is a partnership among: Dover’s Silver Lake Commission; City of Dover; all Divisions within DNREC; University of Maryland Baltimore County (UMBC); and hundreds of citizen volunteers who have spent countless hours clearing invasive plants and planting trees and shrubs. 

Funding for the Mirror Lake remediation and restoration project is made possible by the DNREC Division of Waste & Hazardous Substances and federal clean water grants. 

To learn more about efforts underway, contact Brittany Sturgis at or 302-739-9939.

 Vol. 43, No.63


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