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Big Creek below Hog Wallow at Roswell

National Weather Service gauge RWSG1 · Georgia · Fulton County · 34.0175, -84.3533 · USGS 02335757

Flood levels

Official flood levels at this gauge: action stage begins at 9.0 ft; minor flooding begins at 10.0 ft; moderate flooding begins at 14.0 ft; major flooding begins at 17.0 ft.

Action stage9.0 ft
Minor flooding10.0 ft
Moderate flooding14.0 ft
Major flooding17.0 ft

Highest recorded crests

What the water does

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

9.0 ftBankfull conditions are reached along the creek upstream and downstream from the gage located off Oxbo Drive near the merger of Hog Wallow Creek. Also high water begins to encroach into the Big Creek Park... two miles downstream along Roswell Road and Riverside Road.
10.0 ftFlood Stage is reached. Minor flooding of woodlands and grassy areas begin along the creek upstream and downstream from the gage off Oxbo Drive in the Roswell area. Also high water continues to encroach into the Big Creek Park two miles downstream along Roswell Road and Riverside Road. If the Roswell gage on the Chattahoochee River is 8 feet or higher...then the combination of flows will cause the access road to the Huntcliff horse stables across from Azalea Park to begin to flood.
12.0 ftMinor flooding continues to expand further into the woodlands and grassy areas along the creek upstream and downstream from the gage. Further downstream...where the creek merges with the Chattahoochee River...the Big Creek and Azalea parks near Roswell Road and along Riverside Road and Azalea Drive begin to flood. If the Roswell gage on the Chattahoochee River is 7.5 feet or higher...then the combination of flows will cause the access road to the Huntcliff horse stables across from Azalea Park to flood.
14.0 ftModerate flooding of yards begins along the creek...mainly upstream from the gage off Oxbo Drive. Further downstream...where the creek merges with the Chattahoochee River...minor flooding continues to expand into the Big Creek and Azalea parks...near Roswell Road and along Riverside Road and Azalea Drive. If the Roswell gage on the Chattahoochee River is 7 feet or higher...then the combination of flows will cause the access road to the Huntcliff horse stables across from Azalea Park to flood.
15.0 ftModerate flooding of yards continues along the creek mainly upstream from the gage. Portions of Oxbo Drive will begin to flood. Further downstream...where the creek merges with the Chattahoochee River...minor flooding continues to expand into the Big Creek and Azalea Parks along Riverside Road and Azalea Drive. If the Roswell gage on the Chattahoochee River is 6.5 feet or higher...then the combination of flows will cause the access road to the Huntcliff horse stables across from Azalea Park to flood.
17.0 ftMajor flooding begins with widespread inundation of yards along the creek...mainly upstream from the gage. Water up to two feet deep will be over portions of Oxbo Drive. Further downstream...moderate flooding expands into the Big Creek and Azalea parks along Riverside Road and Azalea Drive. If the Roswell gage on the Chattahoochee River is 6 feet or higher...then the combination of flows will cause the access road to the Huntcliff horse stables across from Azalea Park to flood.

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

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