Mill Creek 13b Reservoir Report
Nearby: Mill Creek 13a Mill Creek 1b
Last Updated: December 5, 2025
Mill Creek 13b, also known as Durst, is a locally owned earth dam located in Richland, Wisconsin.
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Summary
Built in 1962 by the USDA NRCS, this dam serves multiple purposes including flood risk reduction, debris control, and recreation. With a height of 30 feet and a hydraulic height of 14 feet, Mill Creek 13b has a storage capacity of 150 acre-feet and covers a drainage area of 1 acre.
This dam, situated on the East Branch of Mill Creek, is regulated by the Wisconsin Department of Natural Resources and undergoes regular inspections to ensure its safety and functionality. While its condition is assessed as fair, the hazard potential is considered significant. Despite the moderate risk level, the dam has not been modified in recent years and does not have an Emergency Action Plan in place. With a maximum discharge capacity of 73 cubic feet per second, Mill Creek 13b plays a crucial role in managing water resources and protecting the surrounding community from potential flooding events.
Year Completed |
1962 |
Dam Length |
560 |
Dam Height |
30 |
River Or Stream |
TR EAST BRANCH MILL CREEK |
Primary Dam Type |
Earth |
Surface Area |
1 |
Hydraulic Height |
14 |
Drainage Area |
1 |
Nid Storage |
150 |
Structural Height |
30 |
Hazard Potential |
Significant |
Nid Height |
30 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Wisconsin River At Muscoda
|
4800cfs |
Kickapoo River At La Farge
|
219cfs |
Kickapoo River At Steuben
|
392cfs |
Kickapoo River At State Highway 33 At Ontario
|
149cfs |
Lemonweir River At New Lisbon
|
261cfs |
Wisconsin River Near Wisconsin Dells
|
3240cfs |
Dam Data Reference
Condition Assessment
SatisfactoryNo existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.
Hazard Potential Classification
HighDams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
Mill Creek 13b