National Program for Inspection of Non-Federal Dams. Big Island Pond Dam (NH 470), Merrimack River Basin, Derry, New Hampshire. Phase 1 Inspection Report

Abstract

The dam is a stone masonry dam with earth abutments. The dam is 80 ft. long with a maximum height of 10 ft. The dam has an irregular configuration, having experienced various modifications and repairs. It is considered to be in the significant hazard category. The dam is assessed to be in overall fair condition. The owner should repair the gate and monitor the leaks, making repairs as required.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1978
Accession Number
ADA156551

Entities

Organizations

  • New England District, U.S. Army Corps of Engineers

Tags

Communities of Interest

  • Human Systems

DTIC Thesaurus Topics

  • Concrete
  • Construction
  • Dams
  • Drainage Basins
  • Embankments
  • Engineering
  • Engineers
  • Flood Control
  • Floods
  • Gates
  • Masonry
  • New England
  • New Hampshire
  • United States
  • Visual Inspection
  • Warning Systems
  • Water Resources

Readers

  • Hydraulic Engineering.