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)

Arcade Creek near Del Paso Heights, 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)
2/6/96	0945
3/5/96	0910	20.32
4/26/96	1100	7.72
5/21/96	1040	9.52
6/20/96	1140	4.69
7/23/96	1430	4.21
8/26/96	1600	4.21
9/9/96	1330	4.27
10/17/96	1440	3.64
11/26/96	1000	1.06
12/10/96	1300	31.47
1/13/97	1100	11.01
2/7/97	1030	4.58
3/7/97	0940	8.12
4/10/97	1030	7.16
5/12/97	0900	6.75
6/13/97	1020	43.84
7/11/97	0900	6.38
8/8/97	0910	6.15
9/5/97	1000	25.09
10/17/97	1020	7.49
11/7/97	0940	6.21
12/19/97	0950	7.93
1/9/98	0930	6.59
2/13/98	0930	18.30
3/9/98	1000	7.01
4/23/98	1000	4.37