Mill Pond Dam is an earth dam located in Suffolk County, New York, built in 1920. It carries a Low hazard potential classification.
Dam profile
NID height · 11 ft11 ft tall and 100 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 Mill Pond Dam
Mill Pond Dam is a dam in Suffolk, New York. The dam is owned by Town of Southampton (local government). It impounds the Mill Creek near Water Mill.
The dam stands 11 feet tall and stretches 100 feet across, creates a reservoir covering 90 acres, and has a maximum storage capacity of 430 acre-feet. Completed in 1920, the structure is over a century 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 12/31/2001. That was over 24 years ago.
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Location
| State | New York |
| County | Suffolk |
| Nearest City | Water Mill |
| River/Stream | Mill Creek |
| Coordinates | 40.91000, -72.35667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 100 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 430 acre-ft |
| Max Storage | 430 acre-ft |
| Normal Storage | 230 acre-ft |
| Surface Area | 90 acres |
| Max Discharge | 81 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Town of Southampton |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/31/2001 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY01432 |
| Federal ID | NY01432 |
| More Info | State Dam Safety Program |