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)

Sacramento River above Bend Bridge near Red Bluff, California

Mercury in unfiltered water

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

[ng/L - nanograms per liter]

Date	Time	Mercury in unfiltered water (ng/L)
2/13/96	1130	10.69
3/8/96	1020	5.66
4/24/96	1030	1.85
5/30/96	0930	1.85
6/27/96	1000	1.38
7/11/96	1430	2.04
8/29/96	1030	1.09
9/20/96	1300	1.25
10/23/96	1020	1.02
11/22/96	1330	3.66
12/12/96	1700	8.69
1/3/97	1230	32.56
2/20/97	0930	3.98
3/20/97	1000	3.22
4/22/97	0950	3.46
5/30/97	1200	1.82
6/25/97	1000	2.34
7/23/97	1000	1.76
8/21/97	1000	1.38
9/17/97	1000	0.75
10/22/97	1000	2.01
11/19/97	1000	4.04
12/10/97	1000	2.41
1/14/98	1000	11.59
2/18/98	1230	6.99
3/18/98	1100	3.88
4/9/98	1000	3.31
5/14/98	930	2.19