National Program for Inspection of Non-Federal Dams. Gonic Dam (NH 00388) Piscataqua River Basin, Rochester, New Hampshire. Phase I Inspection Report.
CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV
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The Gonic Dam is a concrete gravity structure founded on bedrock and situated in a broad section of the Cocheco River valley. The dam is bounded at both ends by mill buildings. It is about 155 ft. long and 15-12 ft. high. Based on visual inspection and past operational performance, the Gonic Dam is assessed to be in fair condition. The dam is small in size with a significant hazard potential. The test flood is 12 the PMF. There are various remedial measures which should be implemented by the owner. Keywords include Inspection, Dam safety, Piscataqua River Basin, Rochester New Hampshire, and Cocheco River.
- Civil Engineering