Stillwater Pond Dam is a concrete dam located in Putnam County, New York, built in 1939. It carries a Low hazard potential classification.
Dam profile
NID height · 42 ft42 ft tall and 320 ft long, taller than 88% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Stillwater Pond Dam
The primary purpose of Stillwater Pond Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Nys Parks & Recreation Taconic (state). It impounds the Stillwater Brook.
The dam stands 42 feet tall and stretches 320 feet across, creates a reservoir covering 55 acres, has a maximum storage capacity of 770 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1939, 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. The most recent inspection on record was 08/18/2016. That was over 10 years ago.
At 42 feet, this dam is taller than 88% of dams nationwide.
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Location
| State | New York |
| County | Putnam |
| Nearest City | None |
| River/Stream | Stillwater Brook |
| Coordinates | 41.44000, -73.82306 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 320 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 770 acre-ft |
| Max Storage | 770 acre-ft |
| Normal Storage | 660 acre-ft |
| Surface Area | 55 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Nys Parks & Recreation Taconic |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/18/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY00311 |
| Federal ID | NY00311 |
| More Info | State Dam Safety Program |