USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

Gwinnett County, Georgia

Hydrologic Unit Code 03070103

Latitude 33°51'46.9", Longitude 84°02'07.5" NAD83

Drainage area 0.20 square miles

Contributing drainage area 0.20 square miles

Gage datum 968.98 feet above NAVD88

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
1987	1987-01-18	5.49	33.0^C
1988	1988-09-11	6.95	96.0^C
1989	1989-07-16	8.37	168^C
1990	1990-08-08	7.81	140^C
1991	1991-05-05	6.21	60.0^C
1992	1992-05-19	7.33	114^C
1993	1992-12-16	5.98	51.0^C
1994	1994-06-27	5.87	47.0^C
1995	1995-08-26	6.52	74.0^C
1996	1995-10-05	6.59	78.0^C
1997	1997-07-24	8.10	154^C
1998	1998-04-09	6.33	65.0^C
1999	1999-07-11	6.20	60.0^C
2000	2000-08-02	6.29	63.4^C
2001	2001-03-15	5.15⁴	23.0^4,C
2002	2002	5.11^4,Bm	23.0^4,Bm,C
2003	2003-07-01	7.00	113^C
2004	2004-09-16	7.23	124^C
2005	2005-07-07	7.05	115^C
2006	2005-10-07	5.31	42.6^C
2007	2007-07-01	5.52	49.8^C
2008	2008-07-22	6.01	69.2^C
2009	2008-10-08	6.67	97.3^C
2010	2009-10-12	6.32	81.9^C
2011	2011-09-23	5.56	51.3^C
2012	2012-07-21	5.83	62.0^C
2013	2012-10-02	6.28	80.2^C
2014	2014-01-11	6.23	78.1^C
2015	2015-08-23	5.56	51.3^C
2016	2015-11-07	6.51	90.4^C
2017	2017	5.47^4,Bd,Bm	48.0^4,Bd,Bm,C
2017	2017-01-21	6.82	104^C
2019	2019-01-19		56.2^2,C

Peak Streamflow Qualification Codes.

2 -- Discharge is an Estimate
4 -- Discharge less than indicated value, which is Minimum Recordable Discharge at this site
Bd -- Day of occurrence is unknown or not exact
Bm -- Month of occurrence is unknown or not exact
C -- All or part of the record affected by Urbanization, Mining, Agricultural changes, Channelization, or other

USGS 02206465 WATSON CREEK TRIB 2, TANGLEWOOD DR, SNELLVILLE, GA