Rotterdam Square Impoundment Dam
Rotterdam Square Impoundment Dam is an earth dam located in Schenectady County, New York, built in 1987. It carries a Low hazard potential classification.
About Rotterdam Square Impoundment Dam
The primary purpose of Rotterdam Square Impoundment Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Wilmorite Inc (private). It impounds the Poentic Kill near Schenectady.
The dam stands 14 feet tall and stretches 3,300 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 76 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1987, the structure is 39 years 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. The most recent inspection on record was 08/01/1994. That was over 31 years ago.
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Location
| State | New York |
| County | Schenectady |
| Nearest City | Schenectady |
| River/Stream | Poentic Kill |
| Coordinates | 42.81083, -73.98472 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 3,300 ft |
| Year Completed | 1987 (39 years old) |
Storage & Hydraulics
| NID Storage | 76 acre-ft |
| Max Storage | 76 acre-ft |
| Normal Storage | 48 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 2,740 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | WILMORITE INC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 08/01/1994 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY14796 |
| Federal ID | NY14796 |
| More Info | State Dam Safety Program |