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Scheduled Maintenance Notice
USGS will be performing maintenance on the time series data processing system beginning at 09:00 EDT on September 10, 2026. During this period, delivery of the latest time series data will be delayed. The maintenance is expected to finish within 2 hours, after which all backlogged time series data will be processed and delivered to WDFN web portals and APIs.

Available data

Select data types to graph from categories based on the way the data were collected.

6 data types available - data from 1985-10-09 to 2026-09-09

7 data types available - data from 1916-05-01 to 2026-09-08

3 data types available - data from 1957-05-10 to 2026-09-04

353 Observed properties (data types) available - with data from 1947-06-22 to 2026-08-26

1955 Sampling activities

2 data types available - with data from 1904-05-28 to 2025-06-02

5 data types available - data from 1916-05-01 to 2026-09-08

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	09251000	n/a
Location name	YAMPA RIVER NEAR MAYBELL, CO	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	40.50273084869771	n/a
Decimal longitude (WGS84)	-108.03344819551852	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - 5 sec.	F
District	Colorado	08
State	Colorado	08
County	Moffat County	081
Country	United States of America	n/a
Altitude of gage/land surface	5904.25 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.08 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Lower Yampa	14050002
Drainage basin	09	n/a
Date of first construction		n/a
Drainage area	3383 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	MST	n/a
Site honors Daylight Saving Time	Y	n/a
National aquifer		n/a
Local aquifer		n/a
Local aquifer type		n/a
Well depth		n/a
Hole depth		n/a
Source of depth data		n/a