How high is the Chattahoochee River Above Roswell, GA right now?

The Chattahoochee River Above Roswell, GA is currently flowing at 811 cubic feet per second with a gage height of 2.92 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Chattahoochee River Above Roswell, GA normal for this time of year?

Current flow is classified as very low for June 11. Today's discharge is at the 10th percentile compared to the long-term historical record at this gauge.

Is the Chattahoochee River Above Roswell, GA at flood stage?

No — the gage height is 6.08 feet below the NWS flood-stage threshold of 9.0 feet.

What is the historical median flow for the Chattahoochee River Above Roswell, GA on June 11?

The long-term median discharge for this date is 1,710 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 824 to 3,200 cfs.

Where is the Chattahoochee River Above Roswell, GA stream gauge located?

The Chattahoochee River Above Roswell, GA stream gauge is operated by the USGS in Fulton County, GA on the Chattahoochee River. USGS site number 02335450 (coordinates 33.9858, -84.3157).

Chattahoochee River Above Roswell, GA

USGS Site No: 02335450 • Chattahoochee River • Fulton County, GA

Chattahoochee River Above Roswell, GA on the Chattahoochee River is currently at 811 cfs (Very Low — 10th percentile for this date) . Gage height: 2.92 ft.

Reading from 1 week ago

↑ Upstream on Chattahoochee River

Chattahoochee River Near Norcross, GA

Downstream on Chattahoochee River ↓

Chattahoochee River Below Morgan Falls Dam, GA

811

CFS Discharge

2.92

Gage Height (ft)

Very Low

Flow Condition

Normal

Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile	Label	CFS Threshold	Today's Flow
10th	Very Low threshold	824	Today: 811 cfs
25th	Low threshold	1,050
50th (Median)	Normal (median)	1,710
75th	High threshold	2,400
95th	Very High threshold	3,200

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	951	3.07
May 27, 2026	1,820	3.83
May 26, 2026	1,540	3.61
May 25, 2026	1,870	3.86
May 24, 2026	1,110	3.22
May 23, 2026	1,120	3.22
May 22, 2026	984	3.09
May 21, 2026	927	3.03
May 20, 2026	904	3.00
May 19, 2026	877	2.97
May 18, 2026	884	2.98
May 17, 2026	896	2.99
May 16, 2026	905	3.00
May 15, 2026	947	3.05
Apr 21, 2026	752	2.87
Apr 20, 2026	716	2.84
Apr 19, 2026	704	2.81
Apr 18, 2026	748	2.87
Apr 17, 2026	772	2.90
Apr 16, 2026	780	2.91
Apr 15, 2026	772	2.90
Apr 14, 2026	892	3.02
Apr 13, 2026	781	2.91
Apr 12, 2026	758	2.88
Apr 11, 2026	770	2.90
Apr 10, 2026	761	2.89
Apr 9, 2026	760	2.88
Apr 8, 2026	632	2.74
Apr 7, 2026	791	2.92
Apr 6, 2026	1,030	3.17

Station Information

USGS Site No: 02335450
State: GA
County: Fulton County
Coordinates: 33.9858, -84.3157
Drainage Area: 1,220 mi²
Datum (ft): 858.2
HUC Code: 03130001

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 8.0 ft
Flood Stage: 9.0 ft
Moderate Flood: 13.0 ft
Major Flood: 17.0 ft

Currently 6.08 ft below flood stage.

Recent Extremes

Max discharge: 5,620 cfs

May 27, 2025
Min discharge: 626 cfs

Dec 28, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

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12.3 mi · 20 cfs

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Little Stone Mountain Creek Near Stone Mountain, GA
14.8 mi · 3 cfs

Very High
Garner Creek Near Snellville, GA
15.2 mi · 0 cfs

Unknown
Snapfinger Creek Near Decatur, GA
16.3 mi · 9 cfs

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