UD Ecology Woods Wetland Mitigation

An off-site wetland mitigation project was constructed at the University of Delaware’s Ecology Woods as part of commercial project located elsewhere in the same watershed. The Marvel Plaza project is a 5.60± acre site that consisted of an entirely wooded tract off of Stanton-Christiana Road which contained 1.11 acres of non-tidal, palustrine forested wetlands, in […]

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Eagle Run Road Connector

Eagle Run Road connector is an award winning project involving a one-mile roadway extension that required stream stabilization for two bridge spans, extensive environmental services, and design for one mile of roadway widening. The project won the engineering excellence Conceptor Award in 2020 for the work completed by Landmark’s staff who performed integrated science and […]

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Sallie Mae Stormwater Pond Retrofit

This award winning project for a pond retrofit features a 950-foot long walking path around the 300-foot wide, landscaped stormwater pond. A walkway crosses over the pond on a dramatic 6-foot high stone weir that creates an 8,000-gallon upper pond that feeds water to the 96-foot wide waterfall to the lower pond retaining over 1 […]

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