# @chapelboronews on Instagram

- **Type:** Image
- **Original URL:** https://www.instagram.com/p/C8FHoblOUp_
- **Gondola URL:** https://gondola.cc/posts/18964466-chapelboronews-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/thumbnails/dac770f1f8.jpg
- **Posted:** 2024-06-11T15:12:00.000+00:00
- **Account Owner:** Chapelboro.com (@chapelboronews) — https://gondola.cc/chapelboronews

## Caption

After receiving a dam assessment for the pond on town-owned property off Legion Road, Chapel Hill says it plans to convert the area into a constructed wetland.

In a memo sent to Town of Chapel Hill staff on May 31, the Durham-based engineering consultant Tetra Tech shared its report reviewing options for addressing safety issues with the three-acre Legion Pond’s dam, as the local government prepares to develop the land at 1714 Legion Road. Based on how reduced the pond would need to be to meet North Carolina-set safety standards, the group recommended building a wetland area as a smaller water feature — which Chapel Hill Town Manager Chris Blue said his staff will pursue.

Tetra Tech’s assessment came just more than one year after an initial report of the site done by Garrett & Moore, which determined the dam is classified as a “high hazard” to the surrounding area because of its poor condition. The engineers told the town council members that the stream flowing south from the pond presents a significant danger to the surrounding communities if the pond’s dam were to fail, with anticipated damages exceeding $200,000 from any flooding. To bring the man-made water feature up to compliance with state laws, the town will need to drain the pond to identify its water source and then either repair or remove the dam.

Based on those two options and the pond’s condition, the Tetra Tech report said Chapel Hill would either have to significantly lower the height of the dam and reduce the pond size, or eliminate the dam entirely and build a smaller wetland. Factoring in the flooding impact, cost analysis, and considerations requested by town staff, Tetra Tech recommended the constructed wetland option — with the water feature also reaching 14 out of 14 additional benefits Chapel Hill asked to be considered in the assessment, like opportunities for environmental education and chances for biodiversity.

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#biodiversity #manmadepond #wetland #chapelhill #carrboro #pittsboro #hillsborough

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## Tags

pittsboro, carrboro, manmadepond, chapelhill, hillsborough, biodiversity, wetland

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