Niagara Rr Dam #1 Reservoir Report
Nearby: Niagara Twp. Dam #2 Little Goose Dam
Last Updated: December 9, 2025
Niagara Rr Dam #1, also known as Old Rr Dam, is a historic structure located in Niagara, North Dakota.
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Summary
Built in 1905, this Earth dam stands at a height of 16 feet and stretches 300 feet in length, serving primarily as a water supply source. The dam holds a storage capacity of 170.4 acre-feet, with a normal storage level of 81.2 acre-feet, covering a surface area of 16.7 acres and draining an area of 2.9 square miles.
Managed by the local government and regulated by the North Dakota State Water Commission, Niagara Rr Dam #1 has a low hazard potential and is classified as having a moderate risk (level 3). While it underwent structural modifications in 1985, its condition is currently not rated. The dam is equipped with an uncontrolled spillway, 50 feet wide, and does not have outlet gates or associated locks. Despite its age, Niagara Rr Dam #1 continues to play a crucial role in water resource management in the region, highlighting the importance of maintaining and monitoring such critical infrastructure in the face of changing climate conditions.
Years Modified |
1985 - Structural |
Year Completed |
1905 |
Dam Length |
300 |
Dam Height |
16 |
River Or Stream |
NORTH BRANCH TURTLE RIVER-TR |
Primary Dam Type |
Earth |
Surface Area |
16.7 |
Drainage Area |
2.9 |
Nid Storage |
170.4 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
16 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
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.
Niagara Rr Dam #1