Dam Report

Lewis Lake Dam dam

Georgia, USA Unknown Hazard Low
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Tonight low
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Dam height
17ft
Hazard rating
Low
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Lewis Lake Dam -- None dam
Lewis Lake Dam None · Unknown
About this dam

Lewis Lake Dam

Lewis Lake Dam, located in Dodge, Georgia, was completed in 1972 and serves primarily for irrigation purposes. This private earth dam, designed by the SCS, stands at a height of 17 feet with a hydraulic height of 21 feet, providing a storage capacity of 130 acre-feet. The dam spans a length of 750 feet and covers a drainage area of 95 acres, with a surface area of 10 acres.

With a low hazard potential and a moderate risk assessment rating, Lewis Lake Dam has not been rated for its condition assessment as of yet. The dam features uncontrolled spillways and outlet gates, and the last inspection was conducted in December 2004. Despite being privately owned, the dam is regulated by the state and subject to periodic inspections to ensure its structural integrity and safety compliance.

Situated within the Savannah District, Lewis Lake Dam is a vital water resource structure in the region, contributing to agricultural irrigation and water storage needs. Although not federally owned or funded, the dam plays a crucial role in water management in the area. Enthusiasts of water resources and climate will find Lewis Lake Dam a fascinating example of private dam infrastructure in Georgia, showcasing the importance of maintaining and monitoring such structures for sustainable water usage and environmental protection.

StateNone
River / streamUnknown
NID IDGA04209
Owner typePrivate
Primary purposeIrrigation
Dam typeEarth
Year built1972
Dam height17 ft
Dam length750 ft
Max storage130 AF
Normal storage60 AF
Surface area10.0 ac
Drainage area95.0 sq mi
Hazard potentialLow
ConditionNot Rated
Last inspectionWed, 01 Dec 2004 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 Lewis Lake Dam -- inflows here typically show up in storage 24-72 hours later.

Track Lewis 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.

FAQ

About Lewis Lake Dam

Where does the data for Lewis 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.

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