South River at Forrest Park Road, at Atlanta, GA

USGS Site No: 02203655South River • Fulton County, GA

South River at Forrest Park Road, at Atlanta, GA on the South River is currently at 79 cfs (High — 85th percentile for this date) . Gage height: 3.67 ft.

Reading from

79
CFS Discharge
3.67
Gage Height (ft)
High
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 6
25th Low threshold 9
50th (Median) Normal (median) 18
75th High threshold 42
95th Very High threshold 115 Today: 79 cfs

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.

1k 502 0 cfs Apr 4 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 25
May 27, 2026 48
May 26, 2026 105
May 25, 2026 122
May 24, 2026 22
May 23, 2026 37
May 22, 2026 17
May 21, 2026 21
May 20, 2026 20
May 19, 2026 15
May 16, 2026 13
May 15, 2026 13
Apr 21, 2026 15
Apr 20, 2026 14
Apr 19, 2026 14
Apr 18, 2026 15
Apr 17, 2026 15
Apr 16, 2026 15
Apr 15, 2026 15
Apr 14, 2026 16
Apr 13, 2026 16
Apr 12, 2026 16
Apr 11, 2026 16
Apr 10, 2026 16
Apr 9, 2026 16
Apr 8, 2026 17
Apr 7, 2026 17
Apr 6, 2026 19
Apr 5, 2026 30
Apr 4, 2026 17

Station Information

USGS Site No
02203655
State
GA
County
Fulton County
Coordinates
33.6789, -84.3581
Drainage Area
23 mi²
Datum (ft)
748.4
HUC Code
03070103
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
12.0 ft
Flood Stage
15.0 ft
Moderate Flood
18.0 ft
Major Flood
21.0 ft

Currently 11.33 ft below flood stage.

Recent Extremes

Max discharge
390 cfs
Jun 27, 2025
Min discharge
13 cfs
May 16, 2026
Days at flood stage
0

Computed from the local daily-values archive.