How high is the Nancy Creek at Johnson Ferry Road, at Chamblee, GA right now?

The Nancy Creek at Johnson Ferry Road, at Chamblee, GA is currently flowing at 17 cubic feet per second with a gage height of 4.08 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Nancy Creek at Johnson Ferry Road, at Chamblee, GA normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 41th percentile compared to the long-term historical record at this gauge.

Is the Nancy Creek at Johnson Ferry Road, at Chamblee, GA at flood stage?

No — the gage height is 11.92 feet below the NWS flood-stage threshold of 16.0 feet.

What is the historical median flow for the Nancy Creek at Johnson Ferry Road, at Chamblee, GA on June 11?

The long-term median discharge for this date is 22 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 5 to unavailable cfs.

Where is the Nancy Creek at Johnson Ferry Road, at Chamblee, GA stream gauge located?

The Nancy Creek at Johnson Ferry Road, at Chamblee, GA stream gauge is operated by the USGS in DeKalb County, GA on the Nancy Creek. USGS site number 02336340 (coordinates 33.8978, -84.3453).

Nancy Creek at Johnson Ferry Road, at Chamblee, GA

USGS Site No: 02336340 • Nancy Creek • DeKalb County, GA

Nancy Creek at Johnson Ferry Road, at Chamblee, GA on the Nancy Creek is currently at 17 cfs (Normal — 41th percentile for this date) . Gage height: 4.08 ft.

Reading from 1 week ago

Downstream on Nancy Creek ↓

Nancy Creek at Rickenbacker Drive, at Atlanta, GA

CFS Discharge

4.08

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	5
25th	Low threshold	7
50th (Median)	Normal (median)	22	Today: 17 cfs
75th	High threshold	45
95th	Very High threshold	0

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	17	4.06
May 27, 2026	52	4.68
May 26, 2026	38	4.47
May 25, 2026	64	4.72
May 24, 2026	40	4.41
May 23, 2026	21	4.08
May 22, 2026	18	3.94
May 21, 2026	14	3.96
May 20, 2026	15	4.02
May 19, 2026	9	3.75
May 18, 2026	4	3.50
May 17, 2026	4	3.50
May 16, 2026	4	3.50
May 15, 2026	4	3.51
Apr 21, 2026	5	3.56
Apr 20, 2026	5	3.54
Apr 19, 2026	5	3.56
Apr 18, 2026	5	3.56
Apr 17, 2026	5	3.57
Apr 16, 2026	5	3.58
Apr 15, 2026	9	3.77
Apr 14, 2026	6	3.64
Apr 13, 2026	6	3.60
Apr 12, 2026	6	3.61
Apr 11, 2026	6	3.61
Apr 10, 2026	6	3.61
Apr 9, 2026	6	3.60
Apr 8, 2026	6	3.62
Apr 7, 2026	8	3.71
Apr 6, 2026	8	3.75

Station Information

USGS Site No: 02336340
State: GA
County: DeKalb County
Coordinates: 33.8978, -84.3453
Drainage Area: 18 mi²
Datum (ft): 837.5
HUC Code: 03130001

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 15.0 ft
Flood Stage: 16.0 ft
Moderate Flood: 20.0 ft
Major Flood: 24.0 ft

Currently 11.92 ft below flood stage.

Recent Extremes

Max discharge: 278 cfs

Feb 27, 2026
Min discharge: 4 cfs

May 18, 2026
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Snapfinger Creek Near Decatur, GA
11.7 mi · 9 cfs

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

Very High
Doolittle Creek at Flat Shoals Road, near Decatur, GA
13.6 mi · 3 cfs

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

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Cobbs Creek at Rainbow Dr, Near Decatur, GA
14.4 mi · 10 cfs

Very High