Harrisons Lake Dam dam
Harrisons Lake Dam
Harrisons Lake Dam, located in Twiggs, Georgia, is a private-owned structure with a primary purpose of recreation. Completed in 1955, this Earth dam stands at a height of 11.5 feet and spans 1700 feet in length. The dam has a storage capacity of 765 acre-feet, with a normal storage level of 306.6 acre-feet, providing ample water resources for recreational activities such as fishing and boating on the 84-acre surface area of Harrisons Lake.
Despite its low hazard potential and moderate risk assessment rating, Harrisons Lake Dam has not been formally inspected or rated for its current condition. The dam is designed with uncontrolled spillways and outlet gates, serving as a vital structure for the surrounding community's environmental and recreational needs. The Little Sandy Creek, which the dam impounds, contributes to the local ecosystem and supports various wildlife habitats, making Harrisons Lake Dam a significant feature in the area's water resource management and climate regulation efforts.
Although not regulated by the state, Harrisons Lake Dam plays a crucial role in providing recreational opportunities and supporting the ecological balance of the region. As a notable landmark in the New Haven Church Environs, the dam stands as a testament to human ingenuity in harnessing water resources for community enjoyment while maintaining a balance with nature. Water resource and climate enthusiasts can appreciate the significance of Harrisons Lake Dam in shaping the landscape and fostering a sustainable relationship between humans and the environment.
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 Harrisons Lake Dam -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Ocmulgee River At Macon | 651 cfs | → |
| Tobesofkee Creek Near Macon | 6 cfs | → |
| Oconee River At Milledgeville | 294 cfs | → |
| Oconee River At Avant Mine | 372 cfs | → |
| Falling Creek Near Juliette | 5 cfs | → |
| Buffalo Creek At Ga 272 | 23 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Harrisons Lake Dam.
Boat launches
Campgrounds
- Central City Park - State Fairgrounds
- Warner Robins Afb Military
- Claystone County Park
- Dames Ferry County Park
- Arrowhead County Park
- Lake Sinclair Recreation Area
Fishing spots
- Miller Creek Lake Recreation Area
- Lake Tobesofkee
- Lake Sinclair
- Houston Lake
- Dodge County Public Fishing Area
- Indian Springs State Park Lake
Track Harrisons Lake 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 Harrisons Lake Dam
Where does the data for Harrisons Lake 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 Harrisons Lake Dam.