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)

Arcade Creek near Del Paso Heights, California

Trace elements in filtered water (0.45 micrometer capsule filter)

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

Method reporting levels of all analytes

[µg/L - micrograms per liter, < - less than]


Date Time Arsenic (µg/L) Barium (µg/L) Beryllium (µg/L) Cadmium (µg/L) Chromium (µg/L) Cobalt (µg/L) Copper (µg/L) Lead (µg/L) Manganese (µg/L) Molybdenum (µg/L) Nickel (µg/L) Silver (µg/L) Zinc (µg/L) Antimony (µg/L) Aluminum (µg/L ) Selenium (µg/L) Uranium (µg/L )
2/6/96 0945 2 91 <1.0 <1.0 2 <1.0 7 <1.0 25 1 4 <1.0 18 <1.0 325 <1 <1.0
3/5/96 0910 1 34 <1.0 <1.0 <1.0 <1.0 4 <1.0 7 <1.0 3 <1.0 11 <1.0 47 <1 <1.0
4/26/96 1100 1 84 <1.0 <1.0 1 <1.0 4 <1.0 31 3 3 <1.0 7 <1.0 5 <1 <1.0
5/21/96 1040 2 74 <1.0 <1.0 <1.0 <1.0 5 <1.0 29 2 4 <1.0 8 <1.0 11 <1 <1.0
6/20/96 1140 3 80 <1.0 <1.0 1 <1.0 9 <1.0 21 7 3 <1.0 5 <1.0 8 <1 <1.0
7/23/96 1430 5 73 <1.0 <1.0 1 <1.0 5 <1.0 17 3 2 <1.0 3 <1.0 12 <1 <1.0
8/26/96 1600 6 77 <1.0 <1.0 1 <1.0 6 <1.0 12 12 3 <1.0 5 <1.0 7 <1 <1.0
9/9/96 1330 4 79 <1.0 <1.0 1 <1.0 4 <1.0 9 5 2 <1.0 4 <1.0 5 <1 <1.0
10/17/96 1440 4 82 <1.0 <1.0 1 <1.0 4 <1.0 11 10 3 <1.0 8 <1.0 7 <1 <1.0
11/26/96 1000 2 68 <1.0 <1.0 <1.0 <1.0 4 <1.0 47 1 3 <1.0 7 <1.0 7 <1 <1.0
12/10/96 1300 2 28 <1.0 <1.0 <1.0 <1.0 4 <1.0 20 <1.0 2 <1.0 10 <1.0 13 <1 <1.0
1/13/97 1100 1 54 <1.0 <1.0 1 <1.0 4 <1.0 12 <1.0 2 <1.0 11 <1.0 7 <1 <1.0
2/7/97 1030 <1 94 <1.0 <1.0 1 <1.0 3 <1.0 25 1 3 <1.0 8 <1.0 6 <1 <1.0
3/7/97 0940 1 68 <1.0 <1.0 2 <1.0 5 <1.0 26 2 3 <1.0 12 <1.0 6 <1 <1.0
4/10/97 1030 2 84 <1.0 <1.0 1 <1.0 3 <1.0 46 5 3 <1.0 11 <1.0 5 <1 <1.0
5/12/97 0900 2 83 <1.0 <1.0 1.8 <1.0 3.2 <1.0 68 4 2.5 <1.0 6.2 <1.0 6.5 <1 <1.0
5/23/97 1310 2 60 <1.0 <1.0 1.5 1 6.1 1.3 106 2.7 4.4 <1.0 19 1.2 16 <1 <1.0
6/13/97 1020 2 41 <1.0 <1.0 1 <1.0 4.7 <1.0 65 1.2 2.8 <1.0 8.7 <1.0 14 <1 <1.0
7/11/97 0900 3 80 <1.0 <1.0 2.8 <1.0 3.1 <1.0 56 2.2 2 <1.0 4 <1.0 5.5 <1 <1.0
8/8/97 0910 4 80 <1.0 <1.0 1.9 <1.0 4.2 <1.0 35 1.2 1.8 <1.0 3.5 <1.0 5.2 <1 <1.0
9/5/97 1000 2 74 <1.0 <1.0 1.7 <1.0 3.3 <1.0 42 1.5 2.1 <1.0 4.2 <1.0 10 <1 <1.0
10/8/97 0930 4 74 <1.0 <1.0 1.3 <1.0 2.8 <1.0 33 1.4 2.5 <1.0 3.4 <1.0 7.8 <1 <1.0
11/7/97 0940 3 99 <1.0 <1.0 1.6 <1.0 1.8 <1.0 91 1.6 2.4 <1.0 2.7 <1.0 8.8 <1 <1.0
12/19/97 0950 1 76 <1.0 <1.0 1.2 <1.0 5.4 <1.0 17 1.1 3.7 <1.0 9.5 <1.0 8.2 <1 <1.0
1/9/98 0930 1 84 <1.0 <1.0 1.4 <1.0 4.5 <1.0 14 1.1 3.4 <1.0 13 <1.0 6.1 <1 <1.0
2/13/98 0930 2 49 <1.0 <1.0 1.7 <1.0 3.8 <1.0 9.4 <1.0 2.4 <1.0 12 <1.0 11 <1 <1.0
3/9/98 1000 1 70 <1.0 <1.0 2 <1.0 4.2 <1.0 14 <1.0 2.7 <1.0 10 <1.0 7.5 <1 <1.0
4/23/98 1000 1 86 <1.0 <1.0 2.9 <1.0 3.1 <1.0 34 <1.0 2.5 <1.0 7.3 <1.0 6.1 <1 <1.0