Dewey Blackwell Recreation Pond Dam is an earth dam located in Otsego County, New York, built in 1967. It carries a Low hazard potential classification.
Dam profile
NID height · 11 ft11 ft tall and 320 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Dewey Blackwell Recreation Pond Dam
The primary purpose of Dewey Blackwell Recreation Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Dewey Blackwell (private). It impounds the Calhoun Creek near Morris.
The dam stands 11 feet tall and stretches 320 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1967, the structure is well into its service life at over 50 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 05/07/1980. That was over 46 years ago.
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Location
| State | New York |
| County | Otsego |
| Nearest City | Morris |
| River/Stream | Calhoun Creek |
| Coordinates | 42.59500, -75.29167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 320 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 31 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 51 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Dewey Blackwell |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/07/1980 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY01034 |
| Federal ID | NY01034 |
| More Info | State Dam Safety Program |