Joel Marsh Wla, located in Polk, Wisconsin, is a state-regulated water resource that serves as a vital component in managing the water levels of the North Branch Beaver Brook.
Wind
Humidity
This earth dam stands at 7 feet high with a hydraulic height of 4.7 feet, and a length of 800 feet, providing a maximum storage capacity of 3,586 acre-feet. The dam's controlled spillway, with a width of 308 feet, ensures the safe discharge of water during high-flow events, contributing to the overall safety and efficiency of the structure.
With a low hazard potential and a fair condition assessment, Joel Marsh Wla is considered to have a very high risk due to its location and function. The dam has undergone regular inspections, with the last one conducted in July 2013, and is subject to state regulatory oversight, permitting, and enforcement by the Wisconsin Department of Natural Resources. Despite its risk rating, the dam has not required any modifications or emergency action plans as of the most recent data update in March 2021. Water resource and climate enthusiasts will find Joel Marsh Wla to be a fascinating site with important implications for water management and conservation efforts in Wisconsin.
Dam Length |
800 |
Dam Height |
7 |
River Or Stream |
North Branch Beaver Brook |
Primary Dam Type |
Earth |
Surface Area |
585 |
Hydraulic Height |
4.7 |
Drainage Area |
17.3 |
Nid Storage |
3586 |
Structural Height |
7 |
Hazard Potential |
Low |
Nid Height |
7 |
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