USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 01365550 CHESTNUT CREEK AT MOUTH AT GRAHAMSVILLE NY

Sullivan County, New York

Hydrologic Unit Code 02020007

Latitude 41°50'56.7", Longitude 74°31'54.6" NAD83

Drainage area 21.5 square miles

Gage datum 841.33 feet above NAVD88

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
2019	2018-10-11	4.62	933
2020	2019-11-01	5.51	1,870
2021	2021-09-23	6.27	2,940⁶
2022	2022-04-07	6.36	3,130
2023	2022-12-23	5.69	1,900⁶
2024	2023-12-18	5.95	2,320

Peak Streamflow Qualification Codes.

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: 2025-07-05 01:58:10 EDT
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