Spooner
Spooner is a rockfill dam located in Litchfield County, Connecticut, built in 1902. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Spooner
The primary purpose of Spooner is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Firstlight Power Services Llc (public utility). It impounds the Housatonic River near Gaylordsville.
The dam stands 17 feet tall and stretches 156 feet across, creates a reservoir covering 120 acres, has a maximum storage capacity of 400 acre-feet, and collects water from a drainage area of 784 square miles. Completed in 1902, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 07/26/2022.
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Location
| State | Connecticut |
| County | Litchfield |
| Nearest City | Gaylordsville |
| River/Stream | Housatonic River |
| Coordinates | 41.67590, -73.51140 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 156 ft |
| Year Completed | 1902 (124 years old) |
Storage & Hydraulics
| NID Storage | 400 acre-ft |
| Max Storage | 400 acre-ft |
| Normal Storage | 400 acre-ft |
| Surface Area | 120 acres |
| Drainage Area | 784 sq mi |
| Max Discharge | 10,900 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | FirstLight Power Services LLC |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/26/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CT00548 |
| Federal ID | CT00548S001 |
| More Info | State Dam Safety Program |