Lake Jean Dam dam
Lake Jean Dam
Lake Jean Dam, located in Columbia, Georgia, is a key flood risk reduction structure along Bettys Branch. Owned and operated by the local government, this earth dam stands at 21 feet high with a storage capacity of 67 acre-feet. The dam's primary purpose is flood risk reduction, serving to protect the surrounding area from potential inundation during heavy rainfall events.
Although the dam is categorized as having a low hazard potential and a moderate risk assessment, it has not been rated for its current condition. With uncontrolled spillways and outlet gates, Lake Jean Dam is designed to manage water levels efficiently. Despite its unknown construction date, the dam continues to play a crucial role in safeguarding the local community from the impacts of flooding. Enthusiasts of water resources and climate will find Lake Jean Dam to be a valuable asset in maintaining water resources and managing the effects of climate change in the region.
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 Jean Dam -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Augusta Canal Nr Augusta (Upper) | 2,300 cfs | → |
| Butler Creek Below 7th Avenue | 8 cfs | → |
| Spirit Creek At Us 1 | 10 cfs | → |
| Stevens Creek Near Modoc | 35 cfs | → |
| Savannah River At Augusta | 4,350 cfs | → |
| Brier Creek Near Waynesboro | 219 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Lake Jean Dam.
Boat launches
- Mccormick County
- Columbia County
- Lake Springs Road Columbia County
- Saint John's Road, Clarks Hill
- Ridge Road 5943, Columbia County
- Burnettown
Campgrounds
- Petersburg - Strom Thurmond Lake
- Wildwood County Park
- Ridge Road - Strom Thurmond Lake
- Lake Leitner Military
- Bussey Point Wilderness Area
- Modoc - Strom Thurmond Lake
Fishing spots
Track Lake Jean Dam 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 Jean Dam
Where does the data for Lake Jean Dam 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 Low 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 Jean Dam.