National Program for Inspection of Non-Federal Dams. Sunrise Lake Dam (NH 00310), Piscataqua River Basin, Middleton, New Hampshire, Phase I Inspection Report.
CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV
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The dam is 19 ft. high and is 665 ft. long. It is an earthen embankment with a downstream vertical dry stone masonry wall. The dam is in poor condition. There are some major concerns which should be implemented. Based on size and hazard classifications in accordance with Corps guidelines, the test flood is the Probable Maximum Flood.
- Civil Engineering