Chapin Pond
Chapin Pond is an earth dam located in Hampden County, Massachusetts, built in 1900. It carries a Low hazard potential classification and has a fair condition assessment.
About Chapin Pond
Chapin Pond is a dam in Hampden, Massachusetts. The dam is owned by City Of Westfield (local government). It impounds the Pond Brook near Westfield.
The dam stands 15 feet tall and stretches 225 feet across, creates a reservoir covering 76 acres, has a maximum storage capacity of 322 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1900, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 12/05/2018.
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Location
| State | Massachusetts |
| County | Hampden |
| Nearest City | Westfield |
| River/Stream | Pond Brook |
| Coordinates | 42.16250, -72.69599 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Length | 225 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 322 acre-ft |
| Max Storage | 322 acre-ft |
| Normal Storage | 154 acre-ft |
| Surface Area | 76 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 77 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | City of Westfield |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 12/05/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MA00603 |
| Federal ID | MA00603 |
| More Info | State Dam Safety Program |