Dd No B-2 Reservoir Report
Nearby: Miller Dam Kiefer Dam-1919
Last Updated: December 6, 2025
Dd No B-2 is a vital piece of infrastructure located in Ottawa, Kansas, designed by Agricultural Eng.
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Summary
Assoc. to serve the primary purpose of flood risk reduction along the Blue Creek Maraisdescygnes-Tr river system. Completed in 1988, this earth dam stands at a height of 23.4 feet and has a storage capacity of 250.3 acre-feet, with a normal storage level of 56.2 acre-feet covering a surface area of 11.8 acres. The dam's drainage area is 0.48 square miles, with a maximum discharge capacity of 850 cubic feet per second.
This dam is under the jurisdiction of the Kansas Department of Agriculture, with state-regulated permitting, inspection, and enforcement processes in place to ensure its safety and efficacy. With a hazard potential rated as "high" and a fair condition assessment, Dd No B-2 is subject to regular inspections every three years, the last of which took place in January 2020. Despite its age, this dam continues to play a crucial role in protecting the surrounding area from flood risks, a testament to its design and construction by a local government entity.
As water resource and climate enthusiasts, it's important to recognize the significance of infrastructure like Dd No B-2 in mitigating the impacts of extreme weather events and safeguarding communities against flooding. The data surrounding this dam's construction, maintenance, and performance highlight the collaborative efforts of local government agencies and engineering firms to manage water resources effectively. By understanding and supporting such initiatives, we can contribute to a more resilient and sustainable approach to water management in the face of changing climate patterns.
Year Completed |
1988 |
Dam Length |
1020 |
Dam Height |
23.4 |
River Or Stream |
BLUE CREEK MARAISDESCYGNES-TR |
Primary Dam Type |
Earth |
Surface Area |
11.8 |
Drainage Area |
0.48 |
Nid Storage |
250.3 |
Outlet Gates |
None |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
23 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Marais Des Cygnes R Nr Pomona
|
29cfs |
Marais Des Cygnes R Nr Ottawa
|
76cfs |
Hundred And Ten Mile C Nr Quenemo
|
18cfs |
Salt C At Lyndon
|
9cfs |
Marais Des Cygnes R At Melvern
|
20cfs |
Pottawatomie C At Lane
|
32cfs |
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.
Area Campgrounds
| Location | Reservations | Toilets |
|---|---|---|
Michigan Valley - Pomona Reservoir
|
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Outlet Park - Pomona Reservoir
|
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Pomona State Park
|
Dd No B-2
Pomona Lk Nr Quenemo