Big Creek below Hog Wallow at Roswell

1. 17.00 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.
2. 15.00 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.
3. 14.00 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.
4. 12.00 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.
5. 10.00 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.
6. 9.00 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.

Most recent crests

• September 27, 2024: 12.41 ft
• October 12, 2020: 10.99 ft
• October 11, 2020: 11.21 ft
• February 7, 2020: 11.08 ft
• December 29, 2018: 11.38 ft
• November 14, 2018: 10.25 ft
• September 22, 2009: 15.41 ft
• July 17, 2005: 8.14 ft
• September 17, 2004: 12.50 ft

• UpstreamBig Creek at Alpharetta
• Willeo Creek at GA 120 near Roswell
• Chattahoochee River at Roswell
• Chattahoochee River at Morgan Falls Dam near Roswell
• Crooked Creek at Norcross
• Sewell Mill Creek at GA 120 near Marietta
• Sope Creek at Lower Roswell Road near Marietta
• Nancy Creek at Johnson Ferry Road near Chamblee

Forecasts by the Southeast River Forecast Center. Forecasts are not available. Only observed stages are available for this point. Automated gauge readings are now available, courtesy of the USGS.

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.