Defense Plant Corp Pond Dam (mill #7) is an earth dam located in Essex County, New York, built in 1942. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 250 ft long, taller than 50% 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 embankment section and the water level is illustrative.
About Defense Plant Corp Pond Dam (mill #7)
Defense Plant Corp Pond Dam (mill #7) is a dam in Essex, New York. The dam is owned by Rhodia, Inc (private). It impounds the Bartlett Brook near Port Henry.
The dam stands 25 feet tall and stretches 250 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1942, 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 07/06/2017.
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Location
| State | New York |
| County | Essex |
| Nearest City | Port Henry |
| River/Stream | Bartlett Brook |
| Coordinates | 44.06333, -73.48667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 250 ft |
| Year Completed | 1942 (84 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 122 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 2,258 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Rhodia, Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/06/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY01127 |
| Federal ID | NY01127 |
| More Info | State Dam Safety Program |