Problems found at 2 NC Duke Energy dams; issues repaired, state says

Marshall Steam Station on Lake Norman. Photo from Duke Energy website

RALEIGH, NC State environmental officials say leaking and a sinkhole found at or near dams for two Duke Energy facilities have been addressed and the dams appear to be structurally sound.

Staff from the Department of Environmental Quality, or DEQ, have been on the scene throughout the weekend and continue to monitor locations across the state to assess the potential impact of the rain storms that are moving through North Carolina, state officials said in a press release.

Related news: Threat of flooding at NC dam reduced as water levels lowered

In the first incident, Duke Energy reported Saturday afternoon that clear water was coming from a 1-inch seepage at an embankment on the dam at the Belews Creek Steam Station in Stokes County. State Dam Safety officials in the agency’s Winston-Salem offices responded quickly to the site after receiving the reports on Saturday.

The water seeping was clear and does not appear to be from the coal ash facility. Officials determined the integrity of the dam is intact. DEQ and Duke Energy officials are continuing to monitor the site and no changes were reported today.

In the second incident, Duke Energy reported Saturday afternoon that a sinkhole had formed at the base of the dam at the Marshall Steam Station on Lake Norman. The sinkhole was on the side slope of a roadside ditch near the dam. Duke Energy responded by excavating the site, placing a liner in the hole and then filling the sink hole with crushed stone.

State Dam Safety officials responded quickly after they were notified, and reported that there appears to be no threat to the dam. State officials continue to monitor the site and are receiving updates from Duke Energy. No changes were reported today.

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