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Level Creek at Suwanee Dam Road near Suwanee

National Weather Service gauge SWAG1 · Georgia · Gwinnett County · 34.0964, -84.0781 · USGS 02334578

Flood levels

Official flood levels at this gauge: action stage begins at 8.0 ft; minor flooding begins at 9.0 ft; moderate flooding begins at 12.0 ft; major flooding begins at 14.0 ft.

Action stage8.0 ft
Minor flooding9.0 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 occur along the creek upstream and downstream from the gage on Suwanee Dam Road.
9.0 ftFlood stage is reached. Minor flooding begins in the woodlands and fields along the creek upstream and downstream from the gage on Suwanee Dam Road.
10.0 ftMinor flooding continues in the woodlands and fields along the creek upstream and downstream from the gage on Suwanee Dam Road. The water level reaches the bottom of the bridge with maximum flow.
11.0 ftMinor flooding expands further into the woodlands and fields along the creek upstream and downstream from the gage on Suwanee Dam Road. The water level begins to hit the bridge with possible erosion to the sides of the road bed.
12.0 ftModerate flooding begins. Significant flooding occurs in the woodlands and fields along the creek upstream and downstream from the gage on Suwanee Dam Road. The water level continues to hit the bridge with possible erosion to the sides of the road bed. Low lying areas of the tennis courts on Gladstone Parkway and the Bears Best Golf Course begin to flood.
13.0 ftSignificant flooding continues in the woodlands and fields along the creek upstream and downstream from the gage on Suwanee Dam Road. The water level continues to hit the bridge with erosion likely to the sides of the road bed. Portions of the tennis courts on Gladstone Parkway and the Bears Best Golf Course will be under a foot of water. The water reaches the bottom of the USGS gage house which may affect data transmission.
14.0 ftMajor flooding begins with widespread inundation of the woodlands and fields along the creek upstream and downstream from the gage on Suwanee Dam Road. Flood waters will top the bridge and road with a possible washout. Portions of the tennis courts on Gladstone Parkway and the Bears Best Golf Course will be under two feet of water. The USGS gage house will be flooded with one foot of water and this will likely cause a loss of data transmission.

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

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