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Hydrograph River at a Glance Download
Big Creek near Alpharetta Stage (ft)Flow (kcfs)Highest Observation: 3.09 ft at 3:15AM Feb 11, 2016Highest Observation: 3.09 ft at 3:30AM Feb 11, 2016Highest Observation: 3.09 ft at 3:45AM Feb 11, 2016Highest Observation: 3.09 ft at 4:00AM Feb 11, 2016Highest Observation: 3.09 ft at 4:15AM Feb 11, 2016Highest Observation: 3.09 ft at 4:30AM Feb 11, 2016Highest Observation: 3.09 ft at 4:45AM Feb 11, 2016Observed: 3.08 ft at 5:00AM Feb 11, 2016Observed: 3.08 ft at 5:15AM Feb 11, 2016Observed: 3.08 ft at 5:30AM Feb 11, 2016Observed: 3.08 ft at 5:45AM Feb 11, 2016Observed: 3.08 ft at 6:00AM Feb 11, 2016Observed: 3.08 ft at 6:15AM Feb 11, 2016Observed: 3.08 ft at 6:30AM Feb 11, 2016Observed: 3.08 ft at 6:45AM Feb 11, 2016Observed: 3.08 ft at 7:00AM Feb 11, 2016Observed: 3.08 ft at 7:15AM Feb 11, 2016Observed: 3.07 ft at 7:30AM Feb 11, 2016Observed: 3.07 ft at 7:45AM Feb 11, 2016Observed: 3.07 ft at 8:00AM Feb 11, 2016Observed: 3.07 ft at 8:15AM Feb 11, 2016Observed: 3.07 ft at 8:30AM Feb 11, 2016Observed: 3.07 ft at 8:45AM Feb 11, 2016Observed: 3.07 ft at 9:00AM Feb 11, 2016Observed: 3.07 ft at 9:15AM Feb 11, 2016Observed: 3.06 ft at 9:30AM Feb 11, 2016Observed: 3.06 ft at 9:45AM Feb 11, 2016Observed: 3.06 ft at 10:00AM Feb 11, 2016Observed: 3.06 ft at 10:15AM Feb 11, 2016Observed: 3.06 ft at 10:30AM Feb 11, 2016Observed: 3.06 ft at 10:45AM Feb 11, 2016Observed: 3.05 ft at 11:00AM Feb 11, 2016Observed: 3.05 ft at 11:15AM Feb 11, 2016Observed: 3.05 ft at 11:30AM Feb 11, 2016Observed: 3.05 ft at 11:45AM Feb 11, 2016Observed: 3.05 ft at 12:00PM Feb 11, 2016Observed: 3.04 ft at 12:15PM Feb 11, 2016Observed: 3.04 ft at 12:30PM Feb 11, 2016Observed: 3.04 ft at 12:45PM Feb 11, 2016Observed: 3.04 ft at 1:00PM Feb 11, 2016Observed: 3.04 ft at 1:15PM Feb 11, 2016Observed: 3.03 ft at 1:30PM Feb 11, 2016Observed: 3.03 ft at 1:45PM Feb 11, 2016Observed: 3.03 ft at 2:00PM Feb 11, 2016Observed: 3.03 ft at 2:15PM Feb 11, 2016Observed: 3.03 ft at 2:30PM Feb 11, 2016Observed: 3.03 ft at 2:45PM Feb 11, 2016Observed: 3.03 ft at 3:00PM Feb 11, 2016Observed: 3.03 ft at 3:15PM Feb 11, 2016Observed: 3.03 ft at 3:30PM Feb 11, 2016Observed: 3.03 ft at 3:45PM Feb 11, 2016Observed: 3.03 ft at 4:00PM Feb 11, 2016Observed: 3.03 ft at 4:15PM Feb 11, 2016Observed: 3.03 ft at 4:30PM Feb 11, 2016Observed: 3.03 ft at 4:45PM Feb 11, 2016Observed: 3.03 ft at 5:00PM Feb 11, 2016Observed: 3.04 ft at 5:15PM Feb 11, 2016Observed: 3.03 ft at 5:30PM Feb 11, 2016Observed: 3.04 ft at 5:45PM Feb 11, 2016Observed: 3.04 ft at 6:00PM Feb 11, 2016Observed: 3.04 ft at 6:15PM Feb 11, 2016Observed: 3.04 ft at 6:30PM Feb 11, 2016Observed: 3.04 ft at 6:45PM Feb 11, 2016Observed: 3.05 ft at 7:00PM Feb 11, 2016Observed: 3.05 ft at 7:15PM Feb 11, 2016Observed: 3.05 ft at 7:30PM Feb 11, 2016Observed: 3.05 ft at 7:45PM Feb 11, 2016Observed: 3.05 ft at 8:00PM Feb 11, 2016Observed: 3.05 ft at 8:15PM Feb 11, 2016Observed: 3.05 ft at 8:30PM Feb 11, 2016Observed: 3.05 ft at 8:45PM Feb 11, 2016Observed: 3.05 ft at 9:00PM Feb 11, 2016Observed: 3.05 ft at 9:15PM Feb 11, 2016Observed: 3.05 ft at 9:30PM Feb 11, 2016Observed: 3.05 ft at 9:45PM Feb 11, 2016Observed: 3.05 ft at 10:00PM Feb 11, 2016Observed: 3.05 ft at 10:15PM Feb 11, 2016Observed: 3.05 ft at 10:30PM Feb 11, 2016Observed: 3.05 ft at 10:45PM Feb 11, 2016Observed: 3.05 ft at 11:00PM Feb 11, 2016Observed: 3.05 ft at 11:15PM Feb 11, 2016Observed: 3.05 ft at 11:30PM Feb 11, 2016Observed: 3.05 ft at 11:45PM Feb 11, 2016Observed: 3.05 ft at 12:00AM Feb 12, 2016Observed: 3.05 ft at 12:15AM Feb 12, 2016Observed: 3.05 ft at 12:30AM Feb 12, 2016Observed: 3.05 ft at 12:45AM Feb 12, 2016Observed: 3.05 ft at 1:00AM Feb 12, 2016Observed: 3.05 ft at 1:15AM Feb 12, 2016Observed: 3.06 ft at 1:30AM Feb 12, 2016Observed: 3.05 ft at 1:45AM Feb 12, 2016Observed: 3.05 ft at 2:00AM Feb 12, 2016Observed: 3.05 ft at 2:15AM Feb 12, 2016Observed: 3.05 ft at 2:30AM Feb 12, 2016Observed: 3.05 ft at 2:45AM Feb 12, 2016Observed: 3.05 ft at 3:00AM Feb 12, 2016Observed: 3.05 ft at 3:15AM Feb 12, 2016Observed: 3.05 ft at 3:30AM Feb 12, 2016Observed: 3.05 ft at 3:45AM Feb 12, 2016Observed: 3.05 ft at 4:00AM Feb 12, 2016Observed: 3.05 ft at 4:15AM Feb 12, 2016Observed: 3.05 ft at 4:30AM Feb 12, 2016Observed: 3.05 ft at 4:45AM Feb 12, 2016Observed: 3.05 ft at 5:00AM Feb 12, 2016Observed: 3.05 ft at 5:15AM Feb 12, 2016Observed: 3.05 ft at 5:30AM Feb 12, 2016Observed: 3.05 ft at 5:45AM Feb 12, 2016Observed: 3.05 ft at 6:00AM Feb 12, 2016Observed: 3.05 ft at 6:15AM Feb 12, 2016Observed: 3.05 ft at 6:30AM Feb 12, 2016Observed: 3.05 ft at 6:45AM Feb 12, 2016Observed: 3.05 ft at 7:00AM Feb 12, 2016Observed: 3.05 ft at 7:15AM Feb 12, 2016Observed: 3.05 ft at 7:30AM Feb 12, 2016Observed: 3.05 ft at 7:45AM Feb 12, 2016Observed: 3.04 ft at 8:00AM Feb 12, 2016Observed: 3.04 ft at 8:15AM Feb 12, 2016Observed: 3.04 ft at 8:30AM Feb 12, 2016Observed: 3.04 ft at 8:45AM Feb 12, 2016Observed: 3.04 ft at 9:00AM Feb 12, 2016Observed: 3.04 ft at 9:15AM Feb 12, 2016Observed: 3.04 ft at 9:30AM Feb 12, 2016Observed: 3.04 ft at 9:45AM Feb 12, 2016Observed: 3.03 ft at 10:00AM Feb 12, 2016Observed: 3.03 ft at 10:15AM Feb 12, 2016Observed: 3.03 ft at 10:30AM Feb 12, 2016Observed: 3.03 ft at 10:45AM Feb 12, 2016Observed: 3.03 ft at 11:00AM Feb 12, 2016Observed: 3.02 ft at 11:15AM Feb 12, 2016Observed: 3.03 ft at 11:30AM Feb 12, 2016Observed: 3.02 ft at 11:45AM Feb 12, 2016Observed: 3.02 ft at 12:00PM Feb 12, 2016Observed: 3.02 ft at 12:15PM Feb 12, 2016Observed: 3.02 ft at 12:30PM Feb 12, 2016Observed: 3.02 ft at 12:45PM Feb 12, 2016Observed: 3.02 ft at 1:00PM Feb 12, 2016Observed: 3.01 ft at 1:15PM Feb 12, 2016Observed: 3.01 ft at 1:30PM Feb 12, 2016Observed: 3.01 ft at 1:45PM Feb 12, 2016Observed: 3.01 ft at 2:00PM Feb 12, 2016Observed: 3.01 ft at 2:15PM Feb 12, 2016Observed: 3.01 ft at 2:30PM Feb 12, 2016Observed: 3.01 ft at 2:45PM Feb 12, 2016Observed: 3 ft at 3:00PM Feb 12, 2016Observed: 3.01 ft at 3:15PM Feb 12, 2016Observed: 3.01 ft at 3:30PM Feb 12, 2016Observed: 3.01 ft at 3:45PM Feb 12, 2016Observed: 3.01 ft at 4:00PM Feb 12, 2016Observed: 3.01 ft at 4:15PM Feb 12, 2016Observed: 3.01 ft at 4:30PM Feb 12, 2016Observed: 3.01 ft at 4:45PM Feb 12, 2016Observed: 3.01 ft at 5:00PM Feb 12, 2016Observed: 3.01 ft at 5:15PM Feb 12, 2016Observed: 3.01 ft at 5:30PM Feb 12, 2016Observed: 3.01 ft at 5:45PM Feb 12, 2016Observed: 3.01 ft at 6:00PM Feb 12, 2016Observed: 3.01 ft at 6:15PM Feb 12, 2016Observed: 3.02 ft at 6:30PM Feb 12, 2016Observed: 3.02 ft at 6:45PM Feb 12, 2016Observed: 3.02 ft at 7:00PM Feb 12, 2016Observed: 3.02 ft at 7:15PM Feb 12, 2016Observed: 3.02 ft at 7:30PM Feb 12, 2016Observed: 3.02 ft at 7:45PM Feb 12, 2016Observed: 3.02 ft at 8:00PM Feb 12, 2016Observed: 3.02 ft at 8:15PM Feb 12, 2016Observed: 3.03 ft at 8:30PM Feb 12, 2016Observed: 3.03 ft at 8:45PM Feb 12, 2016Observed: 3.03 ft at 9:00PM Feb 12, 2016Observed: 3.03 ft at 9:15PM Feb 12, 2016Observed: 3.03 ft at 9:30PM Feb 12, 2016Observed: 3.03 ft at 9:45PM Feb 12, 2016Observed: 3.03 ft at 10:00PM Feb 12, 2016Observed: 3.03 ft at 10:15PM Feb 12, 2016Observed: 3.03 ft at 10:30PM Feb 12, 2016Observed: 3.03 ft at 10:45PM Feb 12, 2016Observed: 3.04 ft at 11:00PM Feb 12, 2016Observed: 3.03 ft at 11:15PM Feb 12, 2016Observed: 3.04 ft at 11:30PM Feb 12, 2016Observed: 3.04 ft at 11:45PM Feb 12, 2016Observed: 3.04 ft at 12:00AM Feb 13, 2016Observed: 3.03 ft at 12:15AM Feb 13, 2016Observed: 3.04 ft at 12:30AM Feb 13, 2016Observed: 3.04 ft at 12:45AM Feb 13, 2016Observed: 3.03 ft at 1:00AM Feb 13, 2016Observed: 3.03 ft at 1:15AM Feb 13, 2016Observed: 3.03 ft at 1:30AM Feb 13, 2016Observed: 3.03 ft at 1:45AM Feb 13, 2016Observed: 3.03 ft at 2:00AM Feb 13, 2016Observed: 3.03 ft at 2:15AM Feb 13, 2016Observed: 3.03 ft at 2:30AM Feb 13, 2016Observed: 3.03 ft at 2:45AM Feb 13, 2016Observed: 3.03 ft at 3:00AM Feb 13, 2016Observed: 3.03 ft at 3:15AM Feb 13, 2016Observed: 3.03 ft at 3:30AM Feb 13, 2016Observed: 3.03 ft at 3:45AM Feb 13, 2016Observed: 3.03 ft at 4:00AM Feb 13, 2016Observed: 3.03 ft at 4:15AM Feb 13, 2016Observed: 3.04 ft at 4:30AM Feb 13, 2016Observed: 3.04 ft at 4:45AM Feb 13, 2016Observed: 3.04 ft at 5:00AM Feb 13, 2016Observed: 3.04 ft at 5:15AM Feb 13, 2016Observed: 3.04 ft at 5:30AM Feb 13, 2016Observed: 3.04 ft at 5:45AM Feb 13, 2016Observed: 3.04 ft at 6:00AM Feb 13, 2016Observed: 3.04 ft at 6:15AM Feb 13, 2016Observed: 3.04 ft at 6:30AM Feb 13, 2016Observed: 3.04 ft at 6:45AM Feb 13, 2016Observed: 3.03 ft at 7:00AM Feb 13, 2016Observed: 3.03 ft at 7:15AM Feb 13, 2016Observed: 3.03 ft at 7:30AM Feb 13, 2016Observed: 3.02 ft at 7:45AM Feb 13, 2016Observed: 3.03 ft at 8:00AM Feb 13, 2016Observed: 3.02 ft at 8:15AM Feb 13, 2016Observed: 3.02 ft at 8:30AM Feb 13, 2016Observed: 3.02 ft at 8:45AM Feb 13, 2016Observed: 3.02 ft at 9:00AM Feb 13, 2016Observed: 3.02 ft at 9:15AM Feb 13, 2016Observed: 3.01 ft at 9:30AM Feb 13, 2016Observed: 3.02 ft at 9:45AM Feb 13, 2016Observed: 3.01 ft at 10:00AM Feb 13, 2016Observed: 3.01 ft at 10:15AM Feb 13, 2016Observed: 3.01 ft at 10:30AM Feb 13, 2016Observed: 3 ft at 10:45AM Feb 13, 2016Observed: 3 ft at 11:00AM Feb 13, 2016Observed: 3 ft at 11:15AM Feb 13, 2016Observed: 3 ft at 11:30AM Feb 13, 2016Observed: 2.99 ft at 11:45AM Feb 13, 2016Observed: 2.99 ft at 12:00PM Feb 13, 2016Observed: 2.99 ft at 12:15PM Feb 13, 2016Observed: 2.99 ft at 12:30PM Feb 13, 2016Observed: 2.98 ft at 12:45PM Feb 13, 2016Observed: 2.98 ft at 1:00PM Feb 13, 2016Observed: 2.98 ft at 1:15PM Feb 13, 2016Observed: 2.98 ft at 1:30PM Feb 13, 2016Observed: 2.98 ft at 1:45PM Feb 13, 2016Observed: 2.98 ft at 2:00PM Feb 13, 2016Observed: 2.97 ft at 2:15PM Feb 13, 2016Observed: 2.97 ft at 2:30PM Feb 13, 2016Observed: 2.97 ft at 2:45PM Feb 13, 2016Observed: 2.97 ft at 3:00PM Feb 13, 2016Observed: 2.97 ft at 3:15PM Feb 13, 2016Observed: 2.97 ft at 3:30PM Feb 13, 2016Observed: 2.96 ft at 3:45PM Feb 13, 2016Observed: 2.96 ft at 4:00PM Feb 13, 2016Observed: 2.96 ft at 4:15PM Feb 13, 2016Observed: 2.96 ft at 4:30PM Feb 13, 2016Observed: 2.96 ft at 4:45PM Feb 13, 2016Observed: 2.96 ft at 5:00PM Feb 13, 2016Observed: 2.96 ft at 5:15PM Feb 13, 2016Observed: 2.96 ft at 5:30PM Feb 13, 2016Observed: 2.96 ft at 5:45PM Feb 13, 2016Observed: 2.96 ft at 6:00PM Feb 13, 2016Observed: 2.96 ft at 6:15PM Feb 13, 2016Observed: 2.96 ft at 6:30PM Feb 13, 2016Observed: 2.96 ft at 6:45PM Feb 13, 2016Observed: 2.96 ft at 7:00PM Feb 13, 2016Observed: 2.96 ft at 7:15PM Feb 13, 2016Observed: 2.96 ft at 7:30PM Feb 13, 2016Observed: 2.96 ft at 7:45PM Feb 13, 2016Observed: 2.96 ft at 8:00PM Feb 13, 2016Observed: 2.96 ft at 8:15PM Feb 13, 2016Observed: 2.96 ft at 8:30PM Feb 13, 2016Observed: 2.96 ft at 8:45PM Feb 13, 2016Observed: 2.96 ft at 9:00PM Feb 13, 2016Observed: 2.97 ft at 9:15PM Feb 13, 2016Observed: 2.97 ft at 9:30PM Feb 13, 2016Observed: 2.97 ft at 9:45PM Feb 13, 2016Observed: 2.97 ft at 10:00PM Feb 13, 2016Observed: 2.97 ft at 10:15PM Feb 13, 2016Observed: 2.97 ft at 10:30PM Feb 13, 2016Observed: 2.97 ft at 10:45PM Feb 13, 2016Observed: 2.98 ft at 11:00PM Feb 13, 2016Observed: 2.98 ft at 11:15PM Feb 13, 2016Observed: 2.98 ft at 11:30PM Feb 13, 2016Observed: 2.98 ft at 11:45PM Feb 13, 2016Observed: 2.97 ft at 12:00AM Feb 14, 2016Observed: 2.98 ft at 12:15AM Feb 14, 2016Observed: 2.98 ft at 12:30AM Feb 14, 2016Observed: 2.97 ft at 12:45AM Feb 14, 2016Observed: 2.98 ft at 1:00AM Feb 14, 2016Observed: 2.97 ft at 1:15AM Feb 14, 2016Observed: 2.97 ft at 1:30AM Feb 14, 2016Observed: 2.97 ft at 1:45AM Feb 14, 2016Observed: 2.97 ft at 2:00AM Feb 14, 2016Observed: 2.97 ft at 2:15AM Feb 14, 2016Observed: 2.97 ft at 2:30AM Feb 14, 2016Observed: 2.97 ft at 2:45AM Feb 14, 2016USGS--Water Resources of the United StatesAPHG1(plotting HGIRG) Graph Created (3:02AM Feb 14, 2016)ObservedLatest observed value: 2.97 ft at 2:45 AM EST 14-Feb-2016. Flood Stage is 7 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Automated gauge readings are now available, courtesy of the USGS.

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Big Creek near Alpharetta are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - near Cumming Upstream Gauge Downstream Gauge Downstream Gauge - near Roswell
Flood Categories (in feet)
Major Flood Stage: 13
Moderate Flood Stage: 11
Flood Stage: 7
Action Stage: 6
Low Stage (in feet): 0

Historic Crests
(1) 13.05 ft on 02/03/1982
(2) 12.81 ft on 03/17/1990
(3) 12.54 ft on 02/21/1961
(4) 12.50 ft on 09/22/2009
(5) 12.30 ft on 12/06/1983
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 8.92 ft on 01/23/2016
(2) 8.73 ft on 01/16/2016
(3) 7.64 ft on 12/30/2015
(4) 9.92 ft on 12/25/2015
(5) 9.11 ft on 11/20/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.90 ft on 10/11/1974
(2) 1.00 ft on 09/09/1999
(3) 1.08 ft on 09/30/2007
Show More Low Water Records
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
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19 Catastrophic flooding occurs along the creek with water reaching the bottom of Kimball Bridge Road. Webb Bridge Road...McGinnis Ferry Road...Windward Parkway...Haynes Bridge Road...and Georgia 400 will be under a few feet of water. Apartments on Gran Crique Drive and Jameson Pass in Alpharetta and numerous homes on Jade Cove Circle and La View Circle near Roswell will be flooded. Rock Hill Park will be completely under water. Flood waters begin to reach several buildings in the Northpoint Mall complex.
17 Flooding never seen before will affect portions of Alpharetta along the creek. Webb Bridge Road...McGinnis Ferry Road...Haynes Bridge Road...Old Holcomb Bridge Road and Georgia 400 will be under water. Several apartments on Gran Crique Drive and numerous homes on Jade Cove Circle and La View Circle near Roswell will be flooded. Flooding expands in the Rock Hill Park with water covering the concrete pad of the octagon pavilion and half of the parking lot. The Big Creek Greenway is flooded up to 11 feet deep.
15 Record flooding continues upstream and downstream from Kimball Bridge Road. Flooding occurs on Webb Bridge Road...McGinnis Ferry Road...Haynes Bridge Road...Old Holcomb Bridge Road and Georgia 400. Flood waters enter several apartments on Gran Crique Drive and numerous homes on Jade Cove Circle and La View Circle near Roswell. Flooding expands in the Rock Hill Park with water covering the concrete pad of the square pavilion and more of the parking lot. The Big Creek Greenway is flooded up to 9 feet deep.
14 Record flooding occurs upstream and downstream from Kimball Bridge Road. Flooding occurs on Webb Bridge Road...McGinnis Ferry Road...Haynes Bridge Road and Old Holcomb Bridge Road. Flood waters enter several apartments on Gran Crique Drive and numerous homes on Jade Cove Circle and La View Circle near Roswell. Flooding expands in the Rock Hill Park with the water covering the concrete pad of the square pavilion and more of the parking lot. The Big Creek Greenway is flooded up to 8 feet deep.
13 Major flooding begins with water hitting a foot bridge just downstream of the gage on Kimball Bridge Road. Flooding begins on Webb Bridge Road...McGinnis Ferry Road and in the backyards of homes off Society Street. Flood waters reach the foundations of apartments on Gran Crique Drive...and homes on Jade Cove Circle and La View Circle near Roswell. The Big Creek Greenway is flooded up to 7 feet deep. A large portion of Rock Hill Park is flooded and the lower end of the parking lot is affected.
12 Significant flooding expands along the creek as water reaches the bottom of a foot bridge just downstream of the gage on Kimball Bridge Road. Backyards of homes off Seale Drive and Gunter Court and portions of the Golf Club of Georgia are under 3 feet of water. Backyards of homes off Jade Cove Circle and La View Circle near Roswell will be under a foot of water. The Big Creek Greenway is flooded up to 6 feet deep. Flooding covers portions of Rock Hill Park and the YMCA Campground off Preston Ridge Road.
11 Moderate flooding begins and occurs upstream and downstream from the gage on Kimball Bridge Road near Rock Hill Park. Backyards of homes off Seale Drive and Gunter Court and portions of the Golf Club of Georgia are under two feet of water. Backyards of homes off Jade Cove Circle and La View Circle near Roswell begin to flood. The Big Creek Greenway will be flooded up to 5 feet deep and will be closed. A large portion of the YMCA Campground off Preston Ridge Road will be under 3 feet of water.
10 Minor flooding expands along the creek from near Cumming to Alpharetta and Roswell. Backyards of homes off Seale Drive and Gunter Court and portions of the Golf of Georgia are under a foot of water. The Big Creek Greenway experiences significant flooding up to 4 feet deep with closure of the paths. This especially occurs upstream and downstream from the gage on Kimball Bridge Road and Rock Hill Park. A large portion of the YMCA Campground off Preston Ridge Road will be under a two feet of water.
9 Minor flooding expands along the creek from near Cumming to Alpharetta and Roswell. Backyards of homes off Seale Drive and Gunter Court and portions of the Golf of Georgia begin to flood. The Big Creek Greenway experiences significant flooding up to 3 feet deep...which results in closure of most of the paths. This especially occurs upstream and downstream from the gage on Kimball Bridge Road and Rock Hill Park. A large portion of the YMCA Campground off Preston Ridge Road will be under a foot of water.
8 Minor flooding continues to expand further into the woodlands and fields along the creek from near Cumming in south Forsyth County to Alpharetta and Roswell in north Fulton County. Additional portions of The Big Creek Greenway have minor flooding with 1 to 2 feet of water. Most of the walking and biking paths will be closed...especially upstream and downstream from the gage on Kimball Bridge Road and near Rock Hill Park. Portions of the YMCA Campground off Preston Ridge Road will flood.
7 Flood Stage is reached. Minor flooding of woodlands and fields begin along the creek between Cumming in Forsyth County...to Alpharetta and Roswell in North Fulton County. Flooding starts to effect portions of The Big Creek Greenway near Alpharetta and some portions may become closed with around one foot of water...especially upstream and downstream from the gage on Kimball Bridge Road and near Rock Hill Park. Portions of the YMCA Campground off Preston Ridge Road will begin to flood.
6 Bankfull conditions are reached along the creek between Cumming in Forsyth County...to Alpharetta and Roswell in North Fulton County. Some low lying spots along The Big Creek Greenway will begin to flood with a few inches of water upstream and downstream from the gage on Kimball Bridge Road. Water will begin to enter low portions of the YMCA Campground off Preston Ridge Road.
Low Water Impacts Collapse
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120-400 cfs Minimum flow for whitewater kayaking on the 2.6 mile stretch from Grimes Bridge Road to Vickery Creek Park.
55-120 cfs The paddling run from Big Creek (or Vickery Creek) at Oxbow Road to Azalea Drive on the Chattahoochee River is considered a class II-III run. A minimum flow of at least 55 cfs is recommended for paddling.
About This Location Collapse

Latitude: 34.050556° N, Longitude: 84.269444° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 7 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 960.8 ft 967.8 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

Additional Information Collapse
USGS Flood Inundation Mapper for a large portion of Big Creek is available at: http://wimcloud.usgs.gov/apps/FIM/FloodInundationMapper.html?siteno=02335700#app=605a&3b39-selectedIndex=0&26ff-selectedIndex=0
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Peachtree City/Atlanta Weather Forecast Office
4 Falcon Drive
Peachtree City, GA 30269
(770) 486-1133
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Page last modified: 13-Aug-2015 1:57 AM
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