Upper Kimball Pond Dam, also known as Webb Pond Dam, is a state-owned structure located in Chatham, New Hampshire.
Wind
Humidity
Built in 1800, this earth dam stands at a height of 10 feet and spans 230 feet in length, with a storage capacity of 1145 acre-feet. The primary purpose of the dam is for recreation, offering visitors a serene setting for outdoor activities in the surrounding area.
Despite its historical significance, Upper Kimball Pond Dam poses a high hazard potential and is currently rated in poor condition, with a risk assessment of moderate. The dam is regulated by the New Hampshire Department of Environmental Services Dam Bureau, which conducts inspections every 2 years to ensure its safety and compliance with state regulations. In the event of an emergency, the dam lacks an Emergency Action Plan (EAP) and may require further risk management measures to mitigate potential risks to downstream communities.
With its picturesque location on TR Lower Kimball Pond, Upper Kimball Pond Dam serves as a vital water resource for the region, providing recreational opportunities and supporting the local ecosystem. Climate and water resource enthusiasts will find this dam an intriguing subject for further study, as it highlights the intersection of historical infrastructure, environmental stewardship, and the importance of dam safety in the face of changing climate conditions.
Year Completed |
1800 |
Dam Length |
230 |
Dam Height |
10 |
River Or Stream |
TR LOWER KIMBALL POND |
Primary Dam Type |
Earth |
Surface Area |
169 |
Drainage Area |
8.3 |
Nid Storage |
1145 |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
10 |
Saco River Near Conway
|
315cfs |
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|
48cfs |
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|
1020cfs |
Bearcamp River At South Tamworth
|
152cfs |
Androscoggin River Near Gorham
|
2640cfs |
Little Androscoggin River Near South Paris
|
57cfs |