Chattahoochee River near Norcross water level

Name: Chattahoochee River near Norcross water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Chattahoochee River, Georgia, United States

Directions

High for mid-October

Water level

3.72ft Up 1.71 ft over the last 24 hours

Measured Oct 20, 2026, 04:15 AM EDT (1 hour ago)

Flow: 2,090 cfs
Water temperature: 53 °F

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %) Minor flood stage

What this means

The Chattahoochee River near Norcross is above normal at 3.72 ft.

That puts it 1.07 ft above the median of 2.65 ft for mid-October, based on 33 years of readings. It is 8.28 ft below the flood stage of 12.00 ft. A year ago it stood at 3.21 ft (+0.51 ft).

It has risen 1.71 ft over the past 24 hours. If the rise continues, low-lying paths and riverside parking can go under water. In the last month it has stayed between 1.70 ft and 4.09 ft.

That stands out in fall, when many rivers are usually near their lowest. The sensor also reports a water temperature of 53 °F.

Compared with 33 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 2.65 ft1.07 ft above the median for this date
Normal for this date: 2.03 ft – 4.58 ft8 years in 10 fall in this range (33 years of records)
Same day last year: 3.21 ft+0.51 ft
Lowest and highest in 30 days: 1.70 ft – 4.09 ft
Lowest and highest in 12 months: 1.73 ft – 6.32 ft
Highest on record: 27.70 ftJanuary 8, 1946

Floating and fishing near Chattahoochee River near Norcross

Experienced paddlers may enjoy higher water, but many outfitters stop rentals once a river runs this high.

Flood stage here is 12.00 ft, 8.28 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

28.00 ft: Record flooding not seen since January 1946 will inundate property along the river upstream and downstream from the gage on Medlock Bridge Road. Flood waters submerge numerous homes to their roofs in the area including those on Marsh Park Drive...Vista Bluff Drive...Hershinger Close and Saint Georgen Common. The Medlock Bridge Road will be under 4 feet of water. The Atlanta Athletic Club Golf Course will be flooded up to 14 feet deep.
24.00 ft: Major flooding expands with widespread inundation of property along the river upstream and downstream from the gage on Medlock Bridge Road. Flood waters submerge numerous homes and access roads in the area including those on Marsh Park Drive...Vista Bluff Drive...Hershinger Close and Saint Georgen Common. The Medlock Bridge Road will begin to flood. Large portions of the Atlanta Athletic Club Golf Course will be flooded up to 10 feet deep.
20.00 ft: Major flooding begins with widespread inundation of property along the river upstream and downstream from the gage on Medlock Bridge Road. Flood waters affect numerous homes in the area including those on Marsh Park Drive...Vista Bluff Drive...Hershinger Close and Saint Georgen Common. Some access roads will be flooded. The Medlock Bridge Park in the Chattahoochee River National Recreation Area and large portions of the Atlanta Athletic Club Golf Course will be flooded up to 8 feet deep.
18.00 ft: Significant flooding expands into the woodlands and numerous residential yards along the river upstream and downstream from the gage on Medlock Bridge Road. Flood waters affect several homes in the area including those on Marsh Park Drive...Vista Bluff Drive...Hershinger Close and Saint Georgen Common. Some access roads will begin to flood. Portions of the Medlock Bridge Park in the Chattahoochee River National Recreation Area and the Atlanta Athletic Club Golf Course will be flooded up to 6 feet deep.
16.00 ft: Moderate flooding begins. Significant flooding occurs in the woodlands and numerous residential backyards along the river upstream and downstream from the gage on Georgia Highway 141 or Medlock Bridge Road. Flood waters begin to enter some homes on Marsh Park Drive...Vista Bluff Drive...Hershinger Close and Saint Georgen Common. Portions of the Medlock Bridge Park in the Chattahoochee River National Recreation Area and the Atlanta Athletic Club Golf Course will be flooded up to 4 feet deep.
14.00 ft: Minor flooding expands into the woodlands and numerous residential backyards along the river upstream and downstream from the gage on Georgia Highway 141 or Medlock Bridge Road. Portions of the Medlock Bridge Park in the Chattahoochee River National Recreation Area and the Atlanta Athletic Club Golf Course will be flooded up to two feet deep.
12.00 ft: Flood Stage is reached. Minor flooding begins in the woodlands and numerous residential backyards of homes along the river upstream and downstream from the gage on Georgia Highway 141 or Medlock Bridge Road. Flood waters will begin to cover a parking lot at Medlock Bridge Park in the Chattahoochee River National Recreation Area. Low lying portions of the Atlanta Athletic Club Golf Course will begin to flood.
9.00 ft: Bankfull conditions occur along the river upstream and downstream from the gage at Georgia Highway 141 or Medlock Bridge Road. The water level reaches the top of the boat ramp of the Medlock Bridge Park in the Chattahoochee River National Recreation Area.
3.72 ft: Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Chance of at least minor flooding in October to December: < 5 %.

Rank	Level	Date
1	27.70 ft	January 8, 1946
2	27.10 ft	December 10, 1919
3	27.10 ft	December 13, 1919
4	23.40 ft	April 1, 1886
5	22.20 ft	April 7, 1936
6	22.00 ft	March 12, 1952
7	21.40 ft	December 30, 1915
8	21.30 ft	December 23, 1918
9	20.60 ft	March 24, 1903
10	20.40 ft	February 10, 1921

Weather at the gauge

The forecast is not available right now.

Sunrise 07:46 AM Sunset 06:58 PM Daylight 11 hr, 12 min First quarter 67%

Map

Other gauges on the Chattahoochee River

Gauge	Level	Compared with normal	24 hours	Distance
Chattahoochee River near LeafRiver gauge, Chattahoochee River	1.37 ft	Low	±0	51 mi
Chattahoochee River near CorneliaRiver gauge, Chattahoochee River	0.17 ft	Very low	+0.02 ft	50 mi
Chattahoochee River at Buford Dam, near BufordRiver gauge, Chattahoochee River	−0.57 ft	Very low	±0	13 mi
Chattahoochee River near BufordRiver gauge, Chattahoochee River	5.66 ft	No reference yet	−0.02 ft	11 mi
Chattahoochee River above RoswellRiver gauge, Chattahoochee River	2.91 ft	Low	−0.34 ft	7 mi
Chattahoochee River at Morgan Falls DamReservoir, Chattahoochee River	864.06 ft	Very low	−1.50 ft	11 mi
Chattahoochee River below Morgan Falls DamRiver gauge, Chattahoochee River	811.30 ft	Normal	+0.01 ft	11 mi
Chattahoochee River at US 41, at AtlantaRiver gauge, Chattahoochee River	4.28 ft	Low	−0.11 ft	17 mi
Chattahoochee River at AtlantaRiver gauge, Chattahoochee River	2.89 ft	Low	−0.11 ft	17 mi
Chattahoochee River at GA 280, near AtlantaRiver gauge, Chattahoochee River	4.09 ft	Very low	−0.13 ft	20 mi
Chattahoochee River near FairburnRiver gauge, Chattahoochee River	0.46 ft	Low	−0.02 ft	36 mi
Chattahoochee River above Bear Creek, near RicoRiver gauge, Chattahoochee River	0.75 ft	Low	+0.01 ft	41 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Crooked Creek near NorcrossRiver gauge, Crooked Creek	3.49 ft	Low	±0	4.2 mi
Tributary to Bromolow Creek at Pond Road, near NorcrossRiver gauge, Tributary to Bromolow Creek	0.88 ft	Normal	±0	4.3 mi
Beaver Ruin Creek at Mitchell Road, near NorcrossRiver gauge, Beaver Ruin Creek	0.77 ft	Normal	+0.07 ft	5.0 mi
Big Creek near AlpharettaRiver gauge, Big Creek	1.62 ft	Low	−0.01 ft	5.3 mi
N.f. Peachtree Creek at Graves Road, near DoravilleRiver gauge, N.f. Peachtree Creek	3.62 ft	High	±0	6 mi
Dick Creek at Old Atlanta Road, near SuwaneeRiver gauge, Dick Creek	6.34 ft	Very high	−0.01 ft	7 mi
Sweetwater Creek at Club Drive near LilburnRiver gauge, Sweetwater Creek	2.80 ft	Normal	+0.01 ft	7 mi
Chattahoochee R 0.76 Mi Us McGinnis Fy SuwaneeRiver gauge	2.34 ft	Low	+0.59 ft	7 mi

Questions and answers

How does the Chattahoochee River near Norcross compare with last year?

It is 0.51 ft higher than on the same day last year, when the reading was 3.21 ft.

What is flood stage for the Chattahoochee River near Norcross?

The official flood stage is 12.00 ft. The level is currently 8.28 ft below it.

What is a normal level for the Chattahoochee River near Norcross in mid-October?

The median for mid-October is 2.65 ft. In 8 years out of 10 the reading falls between 2.03 ft and 4.58 ft, based on 33 years of records.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Chattahoochee River near Norcross today?

On Oct 20, 2026, 04:15 AM EDT, the water level was 3.72 ft. Up 1.71 ft over the last 24 hours.

Is Chattahoochee River near Norcross rising or falling?

Up 1.71 ft over the last 24 hours. Up 1.11 ft over the last 7 days.

Is the level of Chattahoochee River near Norcross normal?

High for mid-October. Compared with 33 years of daily readings for this time of year.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:02335000 (Agency page)
Coordinates: 33.99722, -84.20194 (WGS84)
Vertical datum: NAVD88
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	3.72 ft	2026-10-20 08:15	Provisional
Flow	2,090 cfs	2026-10-20 08:15	Provisional
Water temperature	53 °F	2026-10-20 08:15	Provisional

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How to cite

U.S. Geological Survey: Chattahoochee River near Norcross (usgs:02335000). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/georgia/chattahoochee-river-near-norcross

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer