James Thompson
James Thompson is a concrete dam located in Rensselaer County, New York, built in 1927. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About James Thompson
The primary purpose of James Thompson 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 Valley Falls Associates (private). It impounds the Hoosic River near Valley Falls.
The dam stands 19 feet tall and stretches 218 feet across, creates a reservoir covering 70 acres, has a maximum storage capacity of 280 acre-feet, and collects water from a drainage area of 630 square miles. Completed in 1927, the structure is well-established, with more than 75 years of service.
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 07/12/2017.
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Location
| State | New York |
| County | Rensselaer |
| Nearest City | Valley Falls |
| River/Stream | Hoosic River |
| Coordinates | 42.90450, -73.56220 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 218 ft |
| Year Completed | 1927 (99 years old) |
Storage & Hydraulics
| NID Storage | 280 acre-ft |
| Max Storage | 280 acre-ft |
| Normal Storage | 280 acre-ft |
| Surface Area | 70 acres |
| Drainage Area | 630 sq mi |
| Max Discharge | 10,800 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Valley Falls Associates |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/12/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY00164 |
| Federal ID | NY00164 |
| More Info | State Dam Safety Program |