National Program for Inspection of Non-Federal Dams. Springs Pond Dam (CT 00342), Thames River Basin, Stafford, Connecticut. Phase I Inspection Report.
Abstract
Springs Pond Dam consists of a 77 foot stone masonry spillway and a 73 foot earth embankment with vertical downstream stone masonry wall. At top of dam elevation, the dam impounds 63 acre-feet. The outlet works consist of a 30x42-in stone conduit controlled by a wood slide gate. Under normal conditions, the entire flow, of Middle River discharges over the spillway. This dam has a maximum height of 14.4 feet with the top of dam 4.4 feet above the spillway crest and is classified as small in size with a hazard classification of significant. There are no available records to indicate when construction of the dam took place or the original purpose of the dam. The visual inspection indicates that the water was used for either power or process water at some time but is no longer used. Based upon the visual inspection, the dam is in fair condition with some seepage from the downstream face and some deterioration of the south abutment and approach channel for the outlet works. Some trees and brush are growing on the upstream side of the embankment. There are two outlet structures, neither of which is operable. An outlet at the north end of the dam was originally for control of water for downstream use. There no longer is any apparent need for this outlet. The southerly outlet structure is for use in drawing down the pool. The test flood results in the dam being overtopped by 3.1 feet to an elevation of 487.5 NGVD. At top of dam elevation, the spillway capacity is 2,300 cfs, which is 34 percent of the test flood flow.
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 01, 1981
- Accession Number
- ADA144164
Entities
Organizations
- New England District, U.S. Army Corps of Engineers