Available data

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

8 data types available - data from 1994-02-09 to 2025-10-01

0 data types available

2 data types available - data from 2013-01-10 to 2014-01-15

200 Observed properties (data types) available - with data from 1998-10-08 to 2025-07-28

586 Sampling activities

0 data types available

Zoom out to see link to My Favorites

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	11185185	n/a
Location name	SUISUN BAY A MALLARD IS CA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	38.0426978705801	n/a
Decimal longitude (WGS84)	-121.920237408119	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	Contra Costa County	013
Country	United States of America	n/a
Altitude of gage/land surface	0	n/a
Method altitude determined	Interpolated from topographic map.	M
Altitude accuracy	5 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Suisun Bay	18050001
Drainage basin		n/a
Date of first construction		n/a
Drainage area		n/a
Contributing drainage area		n/a
Time zone abbreviation	PST	n/a
Site honors Daylight Saving Time	N	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

Monitoring location Suisun Bay a Mallard IS CA - USGS-11185185