National Program for Inspection of Non-Federal Dams. Drown's Dam (NH 00136), State Number 184.04, Piscataqua River Basin, Nottingham, New Hampshire. Phase I Inspection Report.
CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV
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The dam is 18 ft. high and 235 ft. long. It is an earthen embankment contained between two vertical dry masonry stone walls. The dam is in fair condition. The impounding system has an inadequate spillway discharge capacity. The test flood would overtop the lowest point of the crest by 1.7 ft.
- Civil Engineering