USGS 06730500 BOULDER CREEK AT MOUTH NEAR LONGMONT, CO

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DESCRIPTION:: Latitude 40°08'19.6", Longitude 105°01'12.8" NAD83; Weld County, Colorado, Hydrologic Unit 10190005; Drainage area: 447 square miles; Datum of gage: 4,860 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations (availability statement)	1986-10-01	2025-06-23
Daily Data
Discharge, cubic feet per second	1927-04-01	2025-06-22	26550
Daily Statistics
Discharge, cubic feet per second	1927-04-01	2025-02-13	26421
Monthly Statistics
Discharge, cubic feet per second	1927-04	2025-02
Annual Statistics
Discharge, cubic feet per second	1927	2025
Peak streamflow	1927-07-29	2024-04-28	73
Field measurements	1983-04-20	2025-06-03	425
Field/Lab water-quality samples	1979-10-24	2004-08-27	228
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://waterdata.usgs.gov/nwis/inventory?

Page Contact Information: Colorado Water Data Support Team
Page Last Modified: 2025-06-23 07:07:25 EDT
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