Analysis of Pesticides in Surface Water and Sediment from Yolo Bypass, California, 2004–2005
By
Kelly L. Smalling, James L. Orlando, and Kathryn M. Kuivila
Table 9
Suspended sediment concentrations and water-quality parameters for samples for Yolo Bypass, California.
[Woodland R1 site not sampled for these constituents. hh:mm, hours:minutes; mm/dd/yy, month/day/year; mg/L, milligrams per liter;
µS/cm
, microsiemens per centimeter; NA, not analyzed]
| Sampling site |
Date (mm/dd/yy) |
Time (hh:mm) |
Suspended sediment concentration (mg/L) |
pH |
Specific conductance (µS/cm) |
Water temperature (°C) |
| Cache Creek |
2/19/04 |
14:00 |
1026 |
7.56 |
302 |
12.7 |
| |
2/26/04 |
09:10 |
1683 |
7.63 |
227 |
10.4 |
| |
3/04/04 |
10:50 |
613 |
7.92 |
365 |
10.2 |
| |
3/11/04 |
11:00 |
1167 |
8.37 |
257 |
14.7 |
| |
|
|
|
|
|
|
| Knights Landing Ridge Cut |
2/19/04 |
14:35 |
420 |
7.34 |
284 |
14.0 |
| |
2/26/04 |
08:40 |
524 |
7.49 |
400 |
11.6 |
| |
3/04/04 |
11:05 |
210 |
7.96 |
370 |
10.9 |
| |
3/11/04 |
11:15 |
171 |
8.14 |
540 |
17.1 |
| |
1/03/05 |
11:00 |
NA |
7.07 |
302 |
NA |
| |
|
|
|
|
|
|
| Sacramento River |
2/19/04 |
15:00 |
435 |
6.97 |
101 |
12.0 |
| |
2/26/04 |
08:05 |
123 |
7.31 |
134 |
10.3 |
| |
3/04/04 |
11:35 |
195 |
8.02 |
132 |
9.8 |
| |
3/11/04 |
11:45 |
182 |
8.44 |
151 |
13.1 |
| |
|
|
|
|
|
|
| Sacramento Slough |
2/19/04 |
15:25 |
174 |
7.05 |
460 |
13.3 |
| |
2/26/04 |
07:35 |
81 |
7.28 |
132 |
10.4 |
| |
3/04/04 |
12:00 |
71 |
7.89 |
135 |
11.6 |
| |
3/11/04 |
12:20 |
19 |
8.16 |
149 |
15.4 |
| |
|
|
|
|
|
|
| Willow Slough |
2/19/04 |
12:50 |
318 |
7.31 |
280 |
12.7 |
| |
2/26/04 |
09:50 |
920 |
7.38 |
146 |
10.6 |
| |
3/04/2004 |
10:19 |
206 |
8.05 |
580 |
10.5 |
| |
3/11/04 |
10:35 |
196 |
8.67 |
896 |
16.0 |
| |
1/03/05 |
01:00 |
NA |
7.01 |
162 |
NA |
| |
|
|
|
|
|
|
| Putah Creek |
2/19/04 |
10:45 |
250 |
7.37 |
314 |
10.7 |
| |
2/26/04 |
10:15 |
258 |
7.65 |
302 |
11.0 |
| |
3/04/04 |
09:20 |
32 |
8.28 |
335 |
10.6 |
| |
3/11/04 |
10:15 |
34 |
8.6 |
343 |
13.5 |
| |
3/17/04 |
11:10 |
21 |
8.58 |
338 |
15.7 |
| |
3/23/04 |
10:45 |
21 |
8.04 |
342 |
15.0 |
| |
3/29/04 |
10:45 |
28 |
7.65 |
340 |
13.8 |
| |
4/05/04 |
08:50 |
36 |
6.97 |
395 |
13.6 |
| |
4/12/04 |
12:00 |
24 |
7.95 |
530 |
18.8 |
| |
4/21/04 |
12:10 |
231 |
7.95 |
530 |
16.5 |
| |
|
|
|
|
|
|
| Toe Drain |
3/11/04 |
09:30 |
84 |
8.29 |
411 |
16.0 |
| |
3/17/04 |
13:05 |
76 |
8.4 |
605 |
NA |
| |
3/23/04 |
12:15 |
50 |
7.89 |
623 |
18.5 |
| |
3/29/04 |
12:00 |
477 |
7.98 |
712 |
18.0 |
| |
4/05/04 |
09:40 |
86 |
8.12 |
818 |
16.0 |
| |
4/12/04 |
13:05 |
100 |
7.98 |
732 |
20.2 |
| |
4/21/04 |
13:10 |
149 |
7.9 |
559 |
16.4 |
| |
|
|
|
|
|
|
| Yolo Pond |
2/19/04 |
11:45 |
5 |
7.56 |
561 |
14.4 |
| |
3/17/04 |
12:00 |
23 |
8.55 |
558 |
22.3 |
| |
3/23/04 |
11:30 |
59 |
7.93 |
737 |
17.7 |
| |
3/29/04 |
11:30 |
55 |
7.92 |
748 |
22.5 |
| |
4/05/04 |
09:25 |
52 |
8.91 |
918 |
12.2 |
| |
4/12/04 |
12:30 |
67 |
8.31 |
980 |
20.1 |
| |
4/21/04 |
12:40 |
93 |
8.41 |
1075 |
19.5 |