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 at Verona, 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)
2/22/96	1020	16.29
3/19/96	1010	6.87
4/4/96	1020	9.91
5/14/96	1140	5.32
6/11/96	1130	5.11
7/18/96	1240	4.00
8/15/96	1230	2.82
9/26/96	1200	3.51
10/7/96	1300	5.14
11/13/96	1030	4.15
12/18/96	1100	7.17
1/28/97	1230	39.80
2/13/97	1310	20.28
3/12/97	1400	7.67
4/29/97	1400	8.63
5/14/97	1340	5.76
6/4/97	1130	5.85
7/17/97	1100	4.66
8/13/97	1250	4.91
9/24/97	1100	2.46
10/29/97	1100	3.82
11/25/97	1230	4.89
12/16/97	1230	7.04
1/28/98	1230	7.65
2/24/98	1130	11.03
3/25/98	1300	18.56
4/22/98	1230	9.47
5/20/98	1130	7.25