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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.

7 data types available - data from 2013-12-06 to 2016-12-22

6 data types available - data from 2013-12-05 to 2016-12-19

2 data types available - data from 2013-12-05 to 2016-11-16

12 Observed properties (data types) available - with data from 2014-09-08 to 2016-09-14

6 Sampling activities

2 data types available - with data from 2014-03-06 to 2016-03-06

1 data types available - data from 2013-12-05 to 2016-12-19

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	11285500	n/a
Location name	TUOLUMNE R A WARDS FERRY BR NR GROVELAND CA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	37.8783333333333	n/a
Decimal longitude (WGS84)	-120.294722222222	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	California	06
State	California	06
County	Tuolumne County	109
Country	United States of America	n/a
Altitude of gage/land surface	760 feet	n/a
Method altitude determined	Interpolated from topographic map.	M
Altitude accuracy	25 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Upper Tuolumne	18040009
Drainage basin		n/a
Date of first construction		n/a
Drainage area	1267 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	PST	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