USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 02203873 COBBS CREEK AT RAINBOW DR, NEAR DECATUR, GA

Dekalb County, Georgia

Hydrologic Unit Code 03070103

Latitude 33°42'33.9", Longitude 84°14'21.0" NAD83

Drainage area 7.97 square miles

Gage datum 779.22 feet above NAVD88

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
2014	2014-08-09	10.86	2,170^C
2015	2015-01-04	9.44	1,700^C
2016	2015-12-24	12.80	2,850^C
2017	2017-01-21	9.59	1,750^C
2018	2018-05-20	5.99	738^C
2019	2019-04-19	9.94	1,860^C
2020	2020-09-17	7.21	1,050^C
2021	2020-10-10	13.33	3,040^C
2022	2021-12-30	7.68	1,170^C
2023	2023-08-07	7.82	1,210^C
2024	2024-09-26	11.90	2,530^C

Peak Streamflow Qualification Codes.

C -- All or part of the record affected by Urbanization, Mining, Agricultural changes, Channelization, or other

U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Peak Streamflow
URL: https://staging.waterdata.usgs.gov/nwis/peak?

Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2026-01-21 06:58:58 EST
0.43 0.37 staging