Alexander is a gravity dam located on the Wisconsin River in Merrill, Wisconsin, with a primary purpose of hydroelectric power generation.
Wind
Humidity
Built in 1913, this historic structure stands at a height of 38 feet and has a maximum storage capacity of 6600 acre-feet, serving as a critical water resource in the region. The dam's spillway, with a width of 338 feet, is controlled to manage water flow and prevent flooding, showcasing its importance in water resource management.
Managed by the Federal Energy Regulatory Commission, Alexander is a key player in providing clean energy and recreational opportunities in the area. With a hazard potential rated as high and a risk assessment indicating a very high risk level, the dam's safety and structural integrity are closely monitored. Despite its age, Alexander continues to play a vital role in water resource management, highlighting the importance of maintaining and investing in our existing infrastructure to ensure a sustainable and resilient future for our water resources and climate.
Year Completed |
1913 |
Dam Length |
1481 |
Dam Height |
38 |
River Or Stream |
Wisconsin River |
Primary Dam Type |
Gravity |
Surface Area |
803 |
Hydraulic Height |
23 |
Drainage Area |
2520 |
Nid Storage |
6600 |
Structural Height |
40 |
Outlet Gates |
Tainter (radial) - 11 |
Hazard Potential |
High |
Foundations |
Rock |
Nid Height |
40 |
Wisconsin River At Merrill
|
1490cfs |
Prairie River Near Merrill
|
104cfs |
Rib River At Rib Falls
|
60cfs |
Spirit River At Spirit Falls
|
25cfs |
Eau Claire River At Kelly
|
280cfs |
Wisconsin River At Rothschild
|
2280cfs |
| Location | Reservations | Toilets |
|---|---|---|
Council Grounds State Park
|
||
Camp New Wood County Park Campground
|
||
Camp New Wood County Park
|