USGS - science for a changing world

Sacramento River Basin NAWQA Program

Water-Quality Assessment of the Sacramento River
Basin, California: Water-Quality, Sediment and Tissue
Chemistry, and Biological Data, 1995-1998
(Open-File Report 2000-391)

Feather River near Nicolaus, California

Mercury in unfiltered water

Number of significant figures do not reflect analytical method reporting levels.

Method reporting levels of all analytes

[ng/L - nanograms per liter]


Date Time Mercury in unfiltered water (ng/L)
2/23/96 1020 9.63
3/19/96 1330 4.93
4/4/96 1520 8.15
5/14/96 0940 4.1
6/11/96 1030 5.83
7/26/96 1000 3.47
8/15/96 0930 2.27
9/11/96 1030 3.18
10/7/96 1040 3.47
11/5/96 1030 3.92
12/18/96 1430 6.68
1/28/97 1000 46.19
2/13/97 1030 19.68
3/12/97 1050 7.332
4/15/97 1100 4.312
5/19/97 1050 3.563
6/19/97 1020 3.890
7/15/97 1100 6.826
8/14/97 1100 6.050
9/19/97 1000 4.596
10/28/97 1030 4.50
11/24/97 1000 3.47
12/8/97 1100 14.53
1/12/98 1100 24.40
2/17/98 1100 8.37
3/24/98 1100 5.82
4/20/98 1020 10.18