Level of the Lake

Chattahoochee River near Cornelia

No flooding

USGS 02331600 · NWS DCNG1 · Habersham County

186cfs

USGS · 10:45 AM EDT

Gage height

0.03 ft

Share of river inflow

73%

Streamflow · past 7 days

310588865Sep 22Sep 25Sep 29
Streamflow, past 7 days, latest 186 cfs, peak 897 cfs on Sep 22, 8 PM (60 of 668 readings, evenly spaced, first and latest included)
TimeFlow (cfs)
Sep 22, 12 PM294
Sep 22, 2 PM479
Sep 22, 5 PM657
Sep 22, 8 PM897
Sep 22, 11 PM748
Sep 23, 2 AM573
Sep 23, 5 AM487
Sep 23, 7 AM423
Sep 23, 10 AM383
Sep 23, 1 PM352
Sep 23, 4 PM337
Sep 23, 7 PM319
Sep 23, 10 PM308
Sep 24, 12 AM305
Sep 24, 3 AM297
Sep 24, 6 AM289
Sep 24, 9 AM280
Sep 24, 12 PM283
Sep 24, 2 PM275
Sep 24, 5 PM272
Sep 24, 8 PM272
Sep 24, 11 PM270
Sep 25, 2 AM272
Sep 25, 5 AM270
Sep 25, 7 AM262
Sep 25, 10 AM259
Sep 25, 1 PM259
Sep 25, 4 PM264
Sep 25, 7 PM254
Sep 25, 10 PM254
Sep 26, 12 AM251
Sep 26, 3 AM254
Sep 26, 6 AM246
Sep 26, 9 AM238
Sep 26, 12 PM230
Sep 26, 3 PM228
Sep 26, 5 PM228
Sep 26, 8 PM230
Sep 26, 11 PM218
Sep 27, 2 AM220
Sep 27, 5 AM220
Sep 27, 8 AM208
Sep 27, 10 AM213
Sep 27, 1 PM204
Sep 27, 4 PM204
Sep 27, 7 PM211
Sep 27, 10 PM204
Sep 28, 12 AM202
Sep 28, 3 AM206
Sep 28, 6 AM202
Sep 28, 9 AM195
Sep 28, 12 PM191
Sep 28, 3 PM191
Sep 28, 5 PM193
Sep 28, 8 PM191
Sep 28, 11 PM197
Sep 29, 2 AM204
Sep 29, 5 AM200
Sep 29, 8 AM189
Sep 29, 10 AM186

15-minute readings · USGS · provisional

NWS flood stages

Major flood21.00 ftModerate flood18.00 ftMinor flood14.00 ftNear flood11.00 ft0.00 ftnow · 0.03 ft

now = USGS gage height · 10:45 AM EDT

Forecasts are issued routinely year-round.

Historic crests

  • Oct 11, 202020.63 ft28,686 cfs
  • Mar 12, 196320.55 ft26,400 cfs
  • May 28, 197320.30 ft25,800 cfs
  • Aug 23, 196718.83 ft22,000 cfs
  • May 29, 197617.95 ft21,100 cfs
  • Jan 27, 199616.68 ft21,500 cfs
  • Dec 28, 201815.53 ft19,548 cfs
  • Feb 6, 202014.29 ft17,706 cfs

What floods at each stage

National Weather Service impact statements for this gauge, lowest stage first.

11.00 ftBankfull conditions are reached upstream and downstream from the gage on Duncan Bridge Road. ›

Bankfull conditions are reached upstream and downstream from the gage on Duncan Bridge Road.

14.00 ftFlood Stage is reached with minor flooding along the river upstream and downstream from the gage on Duncan Bridge Road.›

Flood Stage is reached with minor flooding along the river upstream and downstream from the gage on Duncan Bridge Road.

18.00 ftModerate Flood Stage is reached with additional flooding along the river upstream and downstream from the gage on Duncan Bridge Road. Water may be 1 to 3 feet deep on the right bank, near Wildwood Outfitters, and approach the building. ›

Moderate Flood Stage is reached with additional flooding along the river upstream and downstream from the gage on Duncan Bridge Road. Water may be 1 to 3 feet deep on the right bank, near Wildwood Outfitters, and approach the building.

20.00 ftModerate Flooding expands upstream and downstream from the gage on Duncan Bridge Road. Water may be 3 to 5 feet deep along the right bank, and will begin to enter the Wildwood Outfitters building.›

Moderate Flooding expands upstream and downstream from the gage on Duncan Bridge Road. Water may be 3 to 5 feet deep along the right bank, and will begin to enter the Wildwood Outfitters building.

21.00 ftMajor Flooding begins upstream and downstream from the gage on Duncan Bridge Road. Significant flooding will be occurring, and ater may be 5 to 7 feet deep along the right bank, and will be 1 to 3 feet deep in the Wildwood Outfitters building. ›

Major Flooding begins upstream and downstream from the gage on Duncan Bridge Road. Significant flooding will be occurring, and ater may be 5 to 7 feet deep along the right bank, and will be 1 to 3 feet deep in the Wildwood Outfitters building.