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Diascund Reservoir repairs planned

Info on spillway repairs at Diascund Reservoir in 2014

Media Contact
2013 Jul 30

Spillway repairs are planned at Diascund Reservoir beginning in the late spring or early summer of 2014 and are expected to last about 9-12 months.

During a routine inspection of the dam and spillway, staff observed a problem with the concrete slabs that carry the water downstream when the main spillway overflows. In response, Waterworks intentionally lowered the level of the reservoir in order to inspect and evaluate the situation and also to reduce or eliminate overflow at the spillway. It is anticipated that the reservoir level will remain lowered for about 2 years. This repair will ensure the continued stability and safety of the dam.

A second issue arose following Tropical Storm Andrea in June which required Waterworks to lower the reservoir level even further. Maintenance work is underway near the reservoir pumping station’s intake. The fish population and the sterile grass carp should not be impacted. Unfortunately, during this time some boating access is temporarily limited. We anticipate that within a few weeks, following the completion of our work, the water level will be returned to the previous level of about 18 inches below full (weather permitting).

The reservoir, located off Route 60, straddles James City County and New Kent County. It is owned and maintained by Newport News Waterworks as part of its source water system. A state-owned public boat ramp is located at the reservoir. According to Andrew Rich, Waterworks watershed property administrator, “While this has some impact on recreation activities in the reservoir, the lower lake levels will encourage the growth of plants within the protective buffer surrounding the reservoir. Diascund remains a beautiful part of the rural landscape and an important water source for the Lower Peninsula.”

Repair costs are not known as yet. Project updates will be posted on Waterworks’ web site at


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