Dam Report

Twilight Pond dam

Georgia, USA Heriot Creek Hazard Low
Today high
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Tonight low
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Dam height
45ft
Hazard rating
Low
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Twilight Pond  -- None dam
Twilight Pond None · Heriot Creek
About this dam

Twilight Pond

Twilight Pond, located in Fort Benning, Georgia, is a recreational water resource managed by the US Army. Built in 1968, this earth dam structure stands at a height of 45 feet and spans a length of 500 feet, with a storage capacity of 537 acre-feet. The pond covers a surface area of 26 acres and is fed by Heriot Creek. Despite being regulated and maintained by the US Army, the dam is categorized as having low hazard potential and a moderate risk assessment.

With its primary purpose being recreation, Twilight Pond offers a serene environment for water and climate enthusiasts to enjoy various outdoor activities. The pond's uncontrolled spillway and buttress core type contribute to its unique features, while the surrounding Chattahoochee County landscape adds to the picturesque setting. Although the dam's condition assessment is currently unavailable, regular inspections ensure its safety and functionality, with an inspection frequency of four years.

Twilight Pond serves as a valuable water resource in the Chattahoochee, Georgia area, offering residents and visitors a tranquil retreat for leisure and outdoor recreation. As a federally owned and operated facility, the pond's management and maintenance are overseen by the US Army, ensuring its continued availability for public enjoyment. As climate change impacts water resources, Twilight Pond stands as a testament to sustainable water management practices and the importance of preserving natural habitats for future generations to appreciate and cherish.

StateNone
River / streamHeriot Creek
NID IDGA01713
Owner typeFederal
Primary purposeRecreation
Dam typeEarth
Year built1968
Dam height45 ft
Dam length500 ft
Max storage537 AF
Normal storage289 AF
Surface area26.0 ac
Hazard potentialLow
ConditionNot Available
Last inspectionTue, 13 Feb 2018 00:00:00 GMT

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.
Detailed forecast

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.

Hourly detail

Next 5 days, hour by hour

Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.

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Deep dive

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.

TimeConditionTemp (°F)Snow (in)Rain (in)Humidity (%)Wind (mps)Wind dir
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Long-term outlook

15-day temperature & precipitation

Daily temperatures, snow, and rain projected over the next two weeks.

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Regional inflow

Nearby streamflow gauges

USGS streamgauges around Twilight Pond -- inflows here typically show up in storage 24-72 hours later.

Track Twilight Pond 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.

FAQ

About Twilight Pond

Where does the data for Twilight Pond 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.

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