Thomas L Ryan Dam is an earth dam located in Chenango County, New York, built in 1956. It carries a Low hazard potential classification.
Dam profile
NID height · 7 ft7 ft tall and 115 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 Thomas L Ryan Dam
Thomas L Ryan Dam is a dam in Chenango, New York. The dam is owned by Thomas L Ryan (private). It impounds the Tr-willey Brook near Yaleville.
The dam stands 7 feet tall and stretches 115 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 53 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1956, 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 05/06/1980. That was over 46 years ago.
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Location
| State | New York |
| County | Chenango |
| Nearest City | Yaleville |
| River/Stream | Tr-willey Brook |
| Coordinates | 42.38000, -75.53167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 115 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 53 acre-ft |
| Max Storage | 53 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 182 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Thomas L Ryan |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/06/1980 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY01012 |
| Federal ID | NY01012 |
| More Info | State Dam Safety Program |