USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 01402630 Royce Brook at Hamilton Road near Manville NJ

Somerset County, New Jersey

Hydrologic Unit Code 02030105

Latitude 40°30'22", Longitude 74°37'23" NAD83

Drainage area 8.34 square miles

Gage datum 41.18 feet above NGVD29

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
2013	2013-06-08	6.76	666
2014	2014-04-30	8.48	960
2015	2015-01-18	6.31	594
2016	2016-02-25	7.55	798
2017	2017-08-23	6.69	656
2018	2018-04-16	7.55	841
2019	2018-11-25	7.33	800
2020	2020-08-04	6.22	624
2021	2021-09-01	13.87	8,320
2022	2022-04-07	6.94	883
2023	2023-07-25	6.42	686

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

Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2025-07-06 14:59:31 EDT
0.29 0.28 nadww02