Nancy Creek at Johnson Ferry Road, at Chamblee water level

Name: Nancy Creek at Johnson Ferry Road, at Chamblee 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, Nancy Creek, Georgia, United States

Directions

Very low for late October

Water level

3.59ft Steady over the last 24 hours

Measured Oct 21, 2026, 05:30 AM EDT (22 min ago)

Flow: 5.9 cfs
Water temperature: 57 °F

History

7 days 30 days 1 year Years compared

20252026

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

What this means

Low water at Nancy Creek at Johnson Ferry Road, at Chamblee: the gauge reads 3.59 ft, far below normal for late October.

That puts it 0.51 ft below the median of 4.10 ft for late October, based on 14 years of readings. It is 12.41 ft below the flood stage of 16.00 ft. A year ago it stood at 3.55 ft (+0.04 ft).

The level has held steady over the past 24 hours. Without real rain upstream, that is unlikely to change quickly.

Fall is often low-water season on rivers, and it usually takes a few days of steady rain to change that. The sensor also reports a water temperature of 57 °F.

Compared with 14 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 4.10 ft0.51 ft below the median for this date
Normal for this date: 3.64 ft – 4.65 ft8 years in 10 fall in this range (14 years of records)
Same day last year: 3.55 ft+0.04 ft
Lowest and highest in 30 days: 3.19 ft – 5.78 ft
Lowest and highest in 12 months: 3.19 ft – 6.58 ft
Highest on record: 22.50 ftSeptember 21, 2009

Paddling and fishing conditions

At low levels, plan for shorter paddling trips and expect to walk your boat through a few shoals.

For reference, flood stage is 16.00 ft.

What happens at each level

24.00 ft: Record flooding continues upstream and downstream from the gage on Johnson Ferry Road. A large portion of the Marist High School campus will be flooded...including parking lots...the baseball and football fields...and the parking garage under the gym. Major flooding will continue downstream in Fulton County to Rickenbacker Drive. Many homes on East Powderhorn Road...Hitching Post Trail...Pine Forest Road...Valley Brook Drive and Valley Green Drive will flood. The impacts will be similar to September 2004.
23.00 ft: Record flooding occurs upstream and downstream from the gage on Johnson Ferry Road. A large portion of the Marist High School campus will be flooded...including parking lots...the baseball and football fields...and the parking garage under the gym. Major flooding will continue downstream in Fulton County to Rickenbacker Drive. Many homes on East Powderhorn Road...Hitching Post Trail...Pine Forest Road...Valley Brook Drive and Valley Green Drive will flood. The impacts will be similar to September 2009.
22.00 ft: Moderate flooding expands into the woodlands and athletic fields upstream and downstream from the gage on Johnson Ferry Road. A large portion of the Marist High School campus will be flooded...including parking lots...baseball fields...and the parking garage under the gym. Major flooding will develop downstream in Fulton County to Rickenbacker Drive. Many homes on East Powderhorn Road...Hitching Post Trail...Pine Forest Road...Valley Brook Drive and Valley Green Drive will be flooded.
20.00 ft: Moderate flooding begins in the woodlands and athletic fields upstream and downstream from the gage on Johnson Ferry Road. The pedestrian and vehicular bridges to the visitor parking lots on the Marist High School campus will be inundated. The student parking lot and baseball fields will be flooded with 1 to 3 feet of water. Backed up storm drains will likely flood the parking garage under the gym. Moderate flooding continues downstream to Rickenbacker Drive. Some homes will begin to flood near the creek.
19.00 ft: Minor flooding expands further into the woodlands and athletic fields upstream and downstream from the gage on Johnson Ferry Road. The water will be around 3 feet over the pedestrian and vehicular bridges to the visitor parking lots on the Marist High School campus. The student parking lot and portions of the baseball fields will be flooded with 1 to 2 feet of water. Moderate flooding develops in residential yards downstream to Rickenbacker Drive. Some crawl spaces or foundations of homes may flood.
18.00 ft: Minor flooding continues to expand into the woodlands and athletic fields upstream and downstream from the gage on Johnson Ferry Road. The water will be around two feet over the pedestrian and vehicular bridges to the visitor parking lots on the Marist High School campus. The student parking lot will be flooded and the baseball fields will begin to flood. Minor flooding of residential yards will continue downstream to Rickenbacker Drive.
17.00 ft: Minor flooding continues of woodlands and athletic fields upstream and downstream from the gage on Johnson Ferry Road. The water will begin to flow over the pedestrian and vehicular bridges to the visitor parking lots on the Marist High School campus. The student parking lot will begin to flood. Minor flooding of residential yards will continue downstream to Rickenbacker Drive.
16.00 ft: Flood stage is reached. Minor flooding of woodlands and athletic fields occurs upstream and downstream from the gage on Johnson Ferry Road. The water level will be hitting the pedestrian and vehicular bridges to the visitor parking lots on the Marist High School campus. This may cause some backwater and erosion eddies to form to the sides of the bridges. Minor flooding of residential yards will likely begin downstream to Rickenbacker Drive.
15.00 ft: Bankfull conditions are reached upstream and downstream from the gage on Johnson Ferry Road. Water begins to flow into low areas of the woodlands and athletic fields near the creek. The water level will reach the bottom of the pedestrian and vehicular bridges to the visitor parking lots on the Marist High School campus.
3.59 ft: Right now

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

Highest crests on record

Rank	Level	Date
1	22.50 ft	September 21, 2009
2	17.84 ft	September 27, 2024
3	17.61 ft	August 9, 2017
4	17.21 ft	October 11, 2020
5	16.48 ft	August 30, 2023
6	16.20 ft	June 6, 2013
7	16.19 ft	December 28, 2018

Weather at the gauge

No rain in the last 3 days.

20 Tue 74° 43° – Wind 7 mph

21 Wed 74° 46° – Wind 8 mph

22 Thu 77° 56° – Wind 6 mph

23 Fri 75° 58° – Wind 9 mph

24 Sat 71° 54° – Wind 13 mph

25 Sun 71° 53° – Wind 11 mph

26 Mon 72° 53° – Wind 6 mph

Forecast: Open-Meteo

Sunrise 07:48 AM Sunset 06:58 PM Daylight 11 hr, 10 min Waxing gibbous 76%

Map

Other gauges on Nancy Creek

Gauge	Level	Compared with normal	24 hours	Distance
Nancy Creek at Rickenbacker Drive, at AtlantaRiver gauge, Nancy Creek	1.19 ft	High	+0.03 ft	2.8 mi
Nancy Creek at West Wesley Road, at AtlantaRiver gauge, Nancy Creek	1.77 ft	Normal	±0	7 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
North Fork Peachtree Creek at Briarwood Road, near AtlantaRiver gauge, North Fork Peachtree Creek	2.04 ft	Low	−0.24 ft	4.1 mi
N.f. Peachtree Creek, Buford Highway, near AtlantaRiver gauge, N.f. Peachtree Creek, Buford Highway	3.65 ft	Low	−0.25 ft	4.6 mi
Chattahoochee River below Morgan Falls DamRiver gauge, Chattahoochee River	811.30 ft	Low	+0.01 ft	5.3 mi
Chattahoochee River at Morgan Falls DamReservoir, Chattahoochee River	863.86 ft	Very low	−0.10 ft	5.3 mi
Chatt River at Powers Fy and I-285 near AtlantaRiver gauge, Chatt River	3.63 ft	Low	±0	5.6 mi
Chattahoochee River above RoswellRiver gauge, Chattahoochee River	3.23 ft	Normal	−0.03 ft	6 mi
Peachtree Creek at AtlantaRiver gauge, Peachtree Creek	2.11 ft	Very low	−0.22 ft	6 mi
Rottenwood Creek at Interstate N Pkwy, near SmyrnaRiver gauge, Rottenwood Creek	2.17 ft	Normal	+0.03 ft	6 mi

Questions and answers

How does Nancy Creek at Johnson Ferry Road, at Chamblee compare with last year?

It is 0.04 ft higher than on the same day last year, when the reading was 3.55 ft.

What is flood stage for Nancy Creek at Johnson Ferry Road, at Chamblee?

The official flood stage is 16.00 ft. The level is currently 12.41 ft below it.

What is a normal level for Nancy Creek at Johnson Ferry Road, at Chamblee in late October?

The median for late October is 4.10 ft. In 8 years out of 10 the reading falls between 3.64 ft and 4.65 ft, based on 14 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 Nancy Creek at Johnson Ferry Road, at Chamblee today?

On Oct 21, 2026, 05:30 AM EDT, the water level was 3.59 ft. Steady over the last 24 hours.

Is Nancy Creek at Johnson Ferry Road, at Chamblee rising or falling?

Steady over the last 24 hours. Up 0.20 ft over the last 7 days.

Is the level of Nancy Creek at Johnson Ferry Road, at Chamblee normal?

Very low for late October. Compared with 14 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:02336340 (Agency page)
Coordinates: 33.89775, -84.34525 (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	3.59 ft	2026-10-21 09:30	Provisional
Flow	5.9 cfs	2026-10-21 09:30	Provisional
Water temperature	57 °F	2026-10-21 09:30	Provisional

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How to cite

U.S. Geological Survey: Nancy Creek at Johnson Ferry Road, at Chamblee (usgs:02336340). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/georgia/nancy-creek-at-johnson-ferry-road-at-chamblee

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