Shallotte Wastewater Lagoon No. 1

About Shallotte Wastewater Lagoon No. 1

Shallotte Wastewater Lagoon No. 1 is a dam in Brunswick, North Carolina. The dam is owned by Brunswick County (local government). It impounds the Shallotte River near Shallotte.

The dam stands 18 feet tall and stretches 1,800 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 100 acre-feet. Completed in 1970, the structure is well into its service life at over 50 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 08/12/2024.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The North Carolina dam safety program can provide more specific information about emergency planning for this structure.

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