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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 Slough near Knights Landing, California

Major Inorganic Constituents 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

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

Date Time Calcium (mg/L) Magnesium (mg/L) Sodium (mg/L) Potassium (mg/L) Chloride (mg/L) Sulfate (mg/L) Fluoride (mg/L) Silica as SiO2 (mg/L) Iron (µg/L) Total solids (mg/L)
2/12/96 1230 17 10 15 1.6 17 8.2 <.10 21 15 143
3/11/96 1300 13 6.8 7.4 1.2 3.6 6.6 <.10 22 20 92
4/22/96 1100 22 15 15 1.5 8.7 7.9 <.10 22 25 157
5/23/96 1030 13 7.5 12 1.1 13 6.9 <.10 22 8 116
6/13/96 1030 25 16 17 1.8 9.4 11 0.2 26 13 181
7/22/96 1050 25 17 16 1.3 9.2 8.8 0.2 26 17 184
8/26/96 1100 24 17 16 1.6 6.1 6.3 0.1 26 41 193
9/10/96 1100 24 17 17 2.1 7.6 6.8 0.1 27 22 195
10/17/96 1000 26 20 24 2.3 18 6.5 <.10 26 10 246
11/7/96 0930 23 16 18 4.2 10 10 0.1 25 49 189
12/5/96 1100 25 19 19 3.3 10 7.1 <.10 28 32 211
3/6/97 1130 24 15 15 1.9 11 9.6 0.1 21 <3.0 183
4/29/97 1040 20 13 13 1.5 9.1 8.7 <.10 22 5.6 150
5/14/97 1030 26 17 28 1.3 33 15 0.12 23 <3.0 243
6/19/97 1200 27 19 17 1.4 9.2 8.9 0.12 27 4.7 204
7/24/97 1030 26 18 26 1.2 29 12 0.13 26 <3.0 247
8/13/97 1030 26 18 18 1.5 9.3 6.9 0.12 27 3.9 220
9/24/97 1430 33 22 30 2.3 35 8.8 0.12 30 7 276
10/29/97 1000 26 18 23 3.2 21 8 <.10 28 24 226
12/16/97 1030 21 15 16 3.2 10 9.8 <.10 25 29 192
1/28/98 1100 12 5.9 7.2 1.3 3.7 5.5 <.10 23 < 10 107
2/25/98 1100 12 5.5 5.2 1 2.1 5.8 <.10 18 < 10 84
3/25/98 1120 12 5.4 5.2 0.96 2.9 5.3 <.10 18 < 10 89
4/22/98 1000 23 14 13 1.4 6.4 7.1 <.10 18 13 164

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