USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 02203960 SNAPFINGER CR AT THOMPSON MILL RD NR LITHONIA, GA

Dekalb County, Georgia

Hydrologic Unit Code 03070103

Latitude 33°41'48", Longitude 84°11'55" NAD83

Drainage area 32.6 square miles

Gage datum 749.26 feet above NAVD88

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
2013	2013-05-05	10.06	1,250^C
2014	2014-04-07	10.66	1,370^C
2015	2015-01-04	10.85	1,410^C
2016	2015-12-24	17.15	2,990^C
2017	2017-01-21	13.52	2,080^C
2018	2018-02-04	9.35	1,110^C
2019	2019-04-19	15.67	2,580^C
2020	2020-09-17	13.31	2,000^C
2021	2020-10-11	17.54	3,080^C
2022	2021-12-30	13.11²	1,990^2,C
2023	2023-08-29	10.59	1,370^C
2024	2024-09-27	17.09	3,340^C

Peak Gage-Height Qualification Codes.

Peak Streamflow Qualification Codes.

2 -- Discharge is an Estimate
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: 2026-01-11 09:08:29 EST
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