Consulting Civil and Environmental Engineers Since 1972

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Mary Griswold Steube Fishway Old Lyme, Connecticut Completed in 1998, the Mary Griswold Steube Fishway at Lower Mill Pond Dam in Old Lyme, Connecticut was constructed as a cooperative venture of the Connecticut River Watershed Council and the Old Lyme Conservation Trust. Named in honor of a generous benefactor of the Old Lyme Conservation Trust who donated the project site, the fishway provides a means for anadromonous fish (alewives) to pass the dam and spawn in the pond and central reaches of the Mill River. The fishway consists of concrete entrance and exit structures, a concrete resting pool with a side viewing window for counting fish transiting the fishway, and an aluminum steep pass structure.

Aesthetics were an important part of the project as the fishway could be seen from a dwelling located immediately across the Mill River from the project. Nathan L. Jacobson & Associates, Inc. received a GreenCircleTM Award in 1999 from the Connecticut Department of Environmental Protection for design and construction administration services for the project.

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