West Parish Filter No. 1 Dam
West Parish Filter No. 1 Dam is an earth dam located in Hampden County, Massachusetts, built in 1924. It carries a Significant hazard potential classification and has a fair condition assessment.
About West Parish Filter No. 1 Dam
The primary purpose of West Parish Filter No. 1 Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Springfield Water And Sewer Commission (local government). It impounds the Cook Brook near Westfield.
The dam stands 28 feet tall and stretches 350 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 23 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1924, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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. An emergency action plan is in place for this dam. The most recent inspection on record was 11/13/2023.
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Location
| State | Massachusetts |
| County | Hampden |
| Nearest City | Westfield |
| River/Stream | Cook Brook |
| Coordinates | 42.11907, -72.82944 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Length | 350 ft |
| Year Completed | 1924 (102 years old) |
Storage & Hydraulics
| NID Storage | 23 acre-ft |
| Max Storage | 23 acre-ft |
| Normal Storage | 9 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 108 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Springfield Water and Sewer Commission |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 11/13/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA00608 |
| Federal ID | MA00608 |
| More Info | State Dam Safety Program |