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DESCRIPTION:

Latitude 40°06'30",   Longitude 106°00'13"   NAD27

Grand County, Colorado, Hydrologic Unit 14010001

Drainage area: 788 square miles

Datum of gage: 7,790.48 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1986-10-01	2025-12-14
Daily Data
Temperature, water, degrees Celsius	2007-09-30	2025-10-27	3863
Precipitation, total, inches	2023-04-01	2025-12-13	597
Discharge, cubic feet per second	1981-10-01	2025-12-13	16145
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2021-06-24	2025-10-27	2211
Dissolved oxygen, water, unfiltered, milligrams per liter	2021-06-23	2025-10-27	2221
pH, water, unfiltered, field, standard units	2021-06-23	2025-10-27	2214
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2021-06-23	2025-10-27	2069
Daily Statistics
Temperature, water, degrees Celsius	2007-09-30	2024-09-30	1107
Discharge, cubic feet per second	1981-10-01	2025-04-16	15904
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2021-06-24	2024-09-30	558
Dissolved oxygen, water, unfiltered, milligrams per liter	2021-06-23	2024-09-30	559
Monthly Statistics
Temperature, water, degrees Celsius	2007-09	2024-09
Discharge, cubic feet per second	1981-10	2025-04
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2021-06	2024-09
Dissolved oxygen, water, unfiltered, milligrams per liter	2021-06	2024-09
Annual Statistics
Temperature, water, degrees Celsius	2007	2024
Discharge, cubic feet per second	1982	2025
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2021	2024
Dissolved oxygen, water, unfiltered, milligrams per liter	2021	2024
Peak streamflow	1982-07-03	2024-06-12	43
Field measurements	1983-06-13	2025-11-25	439
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1981-11-13	2023-11-16	296
Water-Year Summary	2005	2024	20
Revisions	Loading...

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