Dam No 2 (10 Acre Lake) Reservoir Report

Last Updated: December 13, 2025

Dam No 2, also known as 10 Acre Lake, is a private-owned structure located in Linn County, Kansas.


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Summary

Managed by the Kansas Department of Agriculture, this dam on Middle Creek serves primarily for recreation purposes, offering a serene environment for water and climate enthusiasts to enjoy. Designed by Bishop Engineers, this earth-type dam stands at a height of 35.8 feet and stretches 560 feet in length, with a storage capacity of 164.52 acre-feet.

With a low hazard potential and a current condition assessment of "Not Rated," Dam No 2 is a relatively safe and stable structure. Despite lacking specific completion and inspection dates, this dam is regulated by the state and subject to regular inspections for enforcement and permitting purposes. The spillway width of 40 feet ensures sufficient water release capacity during peak discharges, and emergency action plans may also be in place for any unforeseen events.

For water resource and climate enthusiasts seeking a tranquil spot for recreational activities in Kansas, Dam No 2 (10 Acre Lake) provides a picturesque setting amidst the natural beauty of Linn County. With its unique design and purpose, this dam offers a peaceful retreat for visitors to enjoy the outdoors while appreciating the importance of water management in sustaining the local environment. Whether for fishing, boating, or simply relaxing by the waterside, Dam No 2 serves as a valuable asset in fostering a deeper connection with nature and promoting water conservation efforts in the region.

Dam Length

560

Dam Height

35.8

River Or Stream

MIDDLE CREEK-TR

Primary Dam Type

Earth

Drainage Area

0.28

Nid Storage

164.52

Outlet Gates

None

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

36
       
Seasonal Comparison

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Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.