Bowater #4 Reservoir Report
Last Updated: December 12, 2025
Bowater #4 is a privately owned dam located in McMinn, Tennessee, along the Tribhawasse River.
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Summary
Built in 1989, this earth dam stands at a structural height of 30 feet and has a hydraulic height of 25 feet. With a storage capacity of 31 acre-feet and a surface area of 2.3 acres, Bowater #4 serves multiple purposes, including water resource management and flood control.
Managed by the Tennessee Safe Dams Program, Bowater #4 has been inspected regularly, with the last assessment conducted in September 2019, revealing a satisfactory condition and low hazard potential. The dam's spillway is uncontrolled, and it has no outlet gates. Despite a moderate risk assessment rating, the dam has not undergone major modifications or emergency action plan updates recently.
Overall, Bowater #4 plays a crucial role in regulating water flow along the Tribhawasse River and contributes to the overall water resource management in the region. With a focus on safety and regulatory compliance, this dam continues to serve its purpose effectively while ensuring minimal risk to surrounding communities.
Year Completed |
1989 |
Dam Length |
400 |
River Or Stream |
TRIBHIWASSE RIVER |
Primary Dam Type |
Earth |
Surface Area |
2.3 |
Hydraulic Height |
25 |
Drainage Area |
0.05 |
Nid Storage |
31 |
Structural Height |
30 |
Outlet Gates |
None |
Hazard Potential |
Low |
Nid Height |
30 |
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.
Bowater #4
McMinn County