Lake Tansi dam
Lake Tansi
Lake Tansi in Cumberland, Tennessee is a privately owned reservoir with a primary purpose of recreation. Built in 1959, this earth dam structure stands at a hydraulic height of 60.1 feet and has a storage capacity of 13,806 acre-feet. With a surface area of 425 acres and a drainage area of 4.45 square miles, the reservoir offers a picturesque setting for water resource and climate enthusiasts to explore.
Managed by the Tennessee Safe Dams Program, Lake Tansi is subject to regular state inspections and enforcement to ensure its safety and regulatory compliance. The dam's hazard potential is classified as high, but its condition is assessed as satisfactory as of the most recent inspection in November 2020. While the risk assessment indicates a moderate level of risk, there are no emergency action plans or inundation maps prepared, suggesting a potential area for improvement in emergency preparedness.
Overall, Lake Tansi presents an opportunity for water resource and climate enthusiasts to appreciate the beauty of this man-made reservoir while also recognizing the importance of proper dam maintenance and emergency preparedness measures. As a popular recreational spot in the area, it serves as a reminder of the delicate balance between enjoying natural resources and ensuring their safety and sustainability for future generations.
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.
- 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.
- 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.
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, environmental 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.
Plan around the weather
Same NOAA / yr.no feed Snoflo's iOS app uses. Watch the precipitation column on the meteogram -- rain on the basin upstream typically lifts inflow 24-72 hours later.
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
5-day forecast table
Every 3 hours, broken out across temperature, snow, rain, humidity, and wind. Each cell is colour-coded relative to the column min/max.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day temperature & precipitation
Daily temperatures, snow, and rain projected over the next two weeks.
Nearby streamflow gauges
USGS streamgauges around Lake Tansi -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Daddys Creek Near Hebbertsburg | 12 cfs | → |
| Calfkiller River At Hwy 111 Below Sparta | 282 cfs | → |
| Clear Creek At Lilly Bridge Near Lancing | 10 cfs | → |
| Sewee Creek Near Decatur | 23 cfs | → |
| Obed River Near Lancing | 599 cfs | → |
| Falling Water River Near Cookeville | 24 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Lake Tansi.
Campgrounds
Paddle runs
- Mill Site To Center Bridge
- I-40 Bridge To Western Boundary Of Catoosa Wildlife Management Area, At Adams Bridge
- Center Bridge To Cumberland-Morgan County Line
- U.S. 127 Bridge To Morgan County Line
- Apalachia Powerhouse (Rm 53.5) To Us411 Bridge (Rm 43.0)
More reservoirs
Track Lake Tansi in the Snoflo app
Save this dam as a favorite and get the local NOAA / yr.no forecast plus regional flow context wherever you are.
About Lake Tansi
Where does the data for Lake Tansi come from?
Structural and regulatory data come from the U.S. Army Corps of Engineers' National Inventory of Dams (NID). Weather forecast comes from NOAA / yr.no -- the same feed Snoflo's iOS app uses.
How often is the report updated?
NID structural data refreshes annually as the Corps publishes updated assessments. The weather forecast refreshes throughout the day.
What does the High hazard rating mean?
The Corps of Engineers' hazard potential classification grades probable consequences if the dam fails: High = probable loss of human life; Significant = no probable loss of human life but possible economic loss / environmental damage; Low = no probable loss of human life, only minor economic / environmental losses. See the Dam Data Reference card above for the full definitions.
What's "% of normal"?
The current storage value compared to the historical average storage on this calendar day. 100% = right on average; values above 100% mean above-normal storage (wet year); values below mean below-normal (dry year or drought).
Can I get alerts when storage crosses a threshold?
Yes -- alerts are managed in the Snoflo iOS app. Favorite this dam, set a threshold, and you'll get a push the moment conditions cross.
Other water bodies near here
Snoflo-tracked reservoirs and dams within driving distance of Lake Tansi.