Us 77 Road Fill Dam Reservoir Report
Last Updated: December 14, 2025
The Us 77 Road Fill Dam, also known as Ksnoname 1815, is a vital water resource structure located in Riley, Kansas.
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Summary
Constructed in 1967 by the USDA NRCS, USDA SCS, and Highway Commission, this earth dam serves multiple purposes including fire protection, stock or small fish pond, flood risk reduction, and others. With a height of 29 feet and a length of 1455 feet, the dam has a storage capacity of 234 acre-feet and covers a surface area of 1.41 acres.
Managed by the Kansas Department of Agriculture, the Us 77 Road Fill Dam is regulated, inspected, and enforced by state authorities to ensure its safety and functionality. Despite being classified as having a high hazard potential, the dam is currently in fair condition and undergoes inspections every three years. With a spillway width of 0 feet and no outlet gates, the dam plays a crucial role in managing water resources in the North Otter Creek-TR watershed, providing essential support to the local ecosystem and community.
Owned by the state and situated within the Kansas City District, the Us 77 Road Fill Dam is a key component of the region's infrastructure. With its strategic location and design, this earth dam continues to serve as a vital resource for water storage, flood control, and ecosystem management in Riley County. As water resource and climate enthusiasts, it is essential to recognize and appreciate the importance of such structures in safeguarding our environment and ensuring sustainable water management practices for future generations.
Year Completed |
1967 |
Dam Length |
1455 |
Dam Height |
29 |
River Or Stream |
NORTH OTTER CREEK-TR |
Primary Dam Type |
Earth |
Surface Area |
1.41 |
Hydraulic Height |
17 |
Drainage Area |
0.24 |
Nid Storage |
234 |
Structural Height |
18 |
Outlet Gates |
None |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
29 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Fancy C At Winkler
|
8cfs |
L Blue R Nr Barnes
|
103cfs |
Black Vermillion R Nr Frankfort
|
43cfs |
Big Blue R At Marysville
|
119cfs |
Big Blue R Nr Manhattan
|
384cfs |
Republican R At Clay Center
|
122cfs |
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.
Us 77 Road Fill Dam
Gardiner Road Riley County