USGS 09047700 KEYSTONE GULCH NEAR DILLON, CO.

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Available data for this site

DESCRIPTION:: Latitude 39°35'40", Longitude 105°58'19" NAD27; Summit County, Colorado, Hydrologic Unit 14010002; Drainage area: 9.14 square miles; Datum of gage: 9,350.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations (availability statement)	1986-10-01	2025-07-18
Daily Data
Discharge, cubic feet per second	1957-10-01	2025-07-17	24761
Daily Statistics
Discharge, cubic feet per second	1957-10-01	2024-09-30	24472
Monthly Statistics
Discharge, cubic feet per second	1957-10	2024-09
Annual Statistics
Discharge, cubic feet per second	1958	2024
Peak streamflow	1958-06-05	2024-06-07	67
Field measurements	1978-06-12	2025-06-11	426
Field/Lab water-quality samples	1964-09-14	2004-02-26	311
Water-Year Summary	2005	2024	20
Revisions	Loading...

OPERATION:: Record for this site is maintained by the USGS Colorado Water Science Center; Email questions about this site to Colorado Water Science Center Water-Data Inquiries

U.S. Department of the Interior | U.S. Geological Survey
Title: NWIS Site Information for USA: Site Inventory
URL: https://nwis.waterdata.usgs.gov/nwis/inventory?

Page Contact Information: Colorado Water Data Support Team
Page Last Modified: 2025-07-18 19:28:57 EDT
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