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Big Haynes Creek at Lenora Road near Snellville

National Weather Service gauge BIGG1 · Georgia · Gwinnett County · 33.8153, -83.9901 · USGS 02207385

Flood levels

Official flood levels at this gauge: action stage begins at 8.0 ft; minor flooding begins at 10.0 ft; moderate flooding begins at 12.0 ft; major flooding begins at 14.0 ft.

Action stage8.0 ft
Minor flooding10.0 ft
Moderate flooding12.0 ft
Major flooding14.0 ft

Highest recorded crests

What the water does

National Weather Service impact statements for this gauge, in the Weather Service's own words.

8.0 ftBankfull conditions are reached upstream and downstream on the creek from the stream gage at Lenora Road.
10.0 ftFlood stage is reached. Minor flooding will occur in the woodlands and pastures near the creek upstream and downstream from the gage on Lenora Road. Some outbuildings near the creek upstream and on the left bank from the bridge may begin to flood.
11.0 ftMinor flooding continues in the woodlands and pastures near the creek upstream and downstream from the gage on Lenora Road. Some outbuildings near the creek upstream and on the left bank from the bridge will be flooded with around one foot of water.
12.0 ftModerate flooding begins. Significant flooding occurs in the woodlands and pastures near the creek upstream and downstream from the gage on Lenora Road. Some outbuildings near the creek upstream and on the left bank from the bridge will be flooded with around two feet of water. The water level will reach the bottom of the single lane wood and steel bridge. County officials may need to close it. This flooding will be worse than March 2003.
13.0 ftSignificant flooding expands further into the woodlands and pastures near the creek upstream and downstream from the gage on Lenora Road. Some outbuildings upstream and on the left bank from the bridge will be flooded with around 3 feet of water. The water level will be hitting the single lane wood and steel bridge. County officials will likely have it closed.
14.0 ftMajor flooding begins. Widespread inundation flooding occurs in the woodlands and pastures upstream and downstream from the gage on Lenora Road. Several outbuildings upstream and on the left bank from the bridge will be flooded with around 4 feet of water. The water will begin top the single lane wood and steel bridge and flood portions of the road. County officials will likely have the road closed.
15.0 ftMajor flooding continues with widespread inundation of the woodlands and pastures upstream and downstream from the gage on Lenora Road. Several outbuildings upstream and on the left bank from the bridge will be flooded with around 5 feet of water. The water will be around one foot deep over the single lane wood and steel bridge and portions of the road. County officials will have the road closed.
17.0 ftFlooding never seen before occurs with widespread inundation of the woodlands and pastures upstream and downstream from the gage on Lenora Road. Several homes...barns and outbuildings near the creek will be gin to flood. The water will be around 3 feet deep over the single lane wood and steel bridge and portions of the road. County officials will have the road closed. The water level will reach the bottom of the USGS gage house which may cause data transmission problems.

Forecast office: NWS Peachtree City · River Forecast Center: Southeast River Forecast Center.

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