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)

Cache Creek at Rumsey, 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)
2/9/96	1150	34.44
3/7/96	1340	39.00
4/25/96	1230	7.11
5/29/96	1100	7.15
6/26/96	1200	4.59
7/9/96	1230	6.02
8/28/96	1230	2.71
9/17/96	1230	2.68
10/22/96	1230	3.94
11/18/96	1500	6.48
12/13/96	1240	21.10
1/15/97	1100	21.42
2/19/97	1050	23.79
3/19/97	1120	8.75
4/21/97	1030	8.06
5/27/97	1350	5.07
6/24/97	1100	7.14
7/22/97	1030	6.83
8/20/97	1130	6.05
9/16/97	1150	4.60
10/16/97	1030	3.73
11/18/97	1300	21.16
12/7/97	1400	69.66
12/14/97	1700	17.57
12/18/97	1030	11.78
1/4/98	1015	124.85
1/4/98	1200	304.58
1/4/98	1400	627.21
1/12/98	1010	196.58
1/12/98	1200	308.74
1/12/98	1320	464.45
1/20/98	1300	49.58
1/29/98	1110	369.56
2/3/98	1230	2247.62
3/26/98	1040	22.87
4/14/98	1100	21.60