How high is the Big Creek Below Hog Wallow Creek at Roswell, GA right now?

The Big Creek Below Hog Wallow Creek at Roswell, GA is currently flowing at 118 cubic feet per second with a gage height of 3.08 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Big Creek Below Hog Wallow Creek at Roswell, GA normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 60th percentile compared to the long-term historical record at this gauge.

Is the Big Creek Below Hog Wallow Creek at Roswell, GA at flood stage?

No — the gage height is 6.92 feet below the NWS flood-stage threshold of 10.0 feet.

What is the historical median flow for the Big Creek Below Hog Wallow Creek at Roswell, GA on June 11?

The long-term median discharge for this date is 73 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 29 to 367 cfs.

Where is the Big Creek Below Hog Wallow Creek at Roswell, GA stream gauge located?

The Big Creek Below Hog Wallow Creek at Roswell, GA stream gauge is operated by the USGS in Fulton County, GA on the Big Creek. USGS site number 02335757 (coordinates 34.0175, -84.3533).

Big Creek Below Hog Wallow Creek at Roswell, GA

USGS Site No: 02335757 • Big Creek • Fulton County, GA

Big Creek Below Hog Wallow Creek at Roswell, GA on the Big Creek is currently at 118 cfs (Normal — 60th percentile for this date) . Gage height: 3.08 ft.

Reading from 1 week ago

↑ Upstream on Big Creek

Big Creek Near Alpharetta, GA

118

CFS Discharge

3.08

Gage Height (ft)

Normal

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	29
25th	Low threshold	52
50th (Median)	Normal (median)	73
75th	High threshold	191	Today: 118 cfs
95th	Very High threshold	367

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	248	3.60
May 27, 2026	513	4.31
May 26, 2026	1,170	5.95
May 25, 2026	1,250	6.17
May 24, 2026	415	3.96
May 23, 2026	207	3.38
May 22, 2026	71	2.76
May 21, 2026	35	2.49
May 20, 2026	35	2.49
May 19, 2026	36	2.51
May 18, 2026	38	2.52
May 17, 2026	40	2.54
May 16, 2026	41	2.55
May 15, 2026	45	2.58
Apr 21, 2026	35	2.50
Apr 20, 2026	35	2.49
Apr 19, 2026	37	2.51
Apr 18, 2026	41	2.55
Apr 17, 2026	46	2.60
Apr 16, 2026	49	2.61
Apr 15, 2026	52	2.64
Apr 14, 2026	50	2.63
Apr 13, 2026	50	2.62
Apr 12, 2026	52	2.64
Apr 11, 2026	55	2.67
Apr 10, 2026	56	2.67
Apr 9, 2026	58	2.69
Apr 8, 2026	60	2.71
Apr 7, 2026	68	2.76
Apr 6, 2026	92	2.92

Station Information

USGS Site No: 02335757
State: GA
County: Fulton County
Coordinates: 34.0175, -84.3533
Drainage Area: 103 mi²
Datum (ft): 922.3
HUC Code: 03130001

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 9.0 ft
Flood Stage: 10.0 ft
Moderate Flood: 14.0 ft
Major Flood: 17.0 ft

Currently 6.92 ft below flood stage.

Recent Extremes

Max discharge: 1,250 cfs

May 25, 2026
Min discharge: 15 cfs

Sep 23, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Sweetwater Creek at Club Drive Near Lilburn, GA
15.0 mi · 20 cfs

Normal
Little Stone Mountain Creek Near Stone Mountain, GA
17.8 mi · 3 cfs

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

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

Normal
Pew Creek at Patterson Road, Near Lawrenceville, GA
19.2 mi · 2 cfs

Low