Calkins Pond Dam
Calkins Pond Dam is an earth dam located in Hampden County, Massachusetts, built in 1961. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Calkins Pond Dam
The primary purpose of Calkins Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Old Stagecoach Lake Association, Inc. (private). It impounds the Unnamed near Monson.
The dam stands 14 feet tall and stretches 300 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 57 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1961, the structure is well into its service life at over 50 years 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 09/27/2021.
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Location
| State | Massachusetts |
| County | Hampden |
| Nearest City | Monson |
| River/Stream | Unnamed |
| Coordinates | 42.07250, -72.32725 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Length | 300 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 57 acre-ft |
| Max Storage | 57 acre-ft |
| Normal Storage | 45 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 635 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Old Stagecoach Lake Association, Inc. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/27/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA01003 |
| Federal ID | MA01003 |
| More Info | State Dam Safety Program |