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Sacramento River Basin NAWQA Program

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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)

Arcade Creek near Del Paso Heights, California

Pesticides in filtered water (0.7 micrometer glass fiber filter), analyzed by gas
chromatography/mass spectrometry

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

Method reporting levels of all analytes

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

Date Time 2,6-Diethylaniline (µg/L) Acetochlor (µg/L) Alachlor (µg/L) Atrazine (µg/L) Methyl Azinphos (µg/L) Benfluralin (µg/L) Butylate (µg/L) Carbaryl (µg/L) Carbofuran (µg/L) Chlorpyrifos (µg/L) Cyanazine (µg/L) DCPA (µg/L) Desethyl Atrazine (µg/L) Diazinon (µg/L) Dieldrin (µg/L) Disulfoton (µg/L) EPTC (µg/L) Ethalfluralin (µg/L) Ethoprop (µg/L) Fonofos (µg/L) Lindane (µg/L) Linuron (µg/L) Malathion (µg/L) Metolachlor (µg/L) Metribuzin (µg/L) Molinate (µg/L) Napropamide (µg/L) Parathion (µg/L) Methyl Parathion (µg/L) Pebulate (µg/L) Pendimethalin (µg/L) Phorate (µg/L) Prometon (µg/L) Propachlor (µg/L) Propanil (µg/L) Propargite (µg/L) Pronamide (µg/L) Simazine (µg/L) Tebuthiuron (µg/L) Terbacil (µg/L) Terbufos (µg/L) Thiobencarb (µg/L) Triallate (µg/L) Trifluralin (µg/L) Alpha-BHC (µg/L) Permethrin (µg/L) p,p'-DDE (µg/L)
11/26/96 1000 <.003 <.002 <.002 <.001 <.001 <.002 <.002 E.2 <.003 0.027 <.004 0.0041 <.002 0.22 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 <.005 0.008 <.004 <.004 <.003 <.004 <.006 <.004 <.004 <.002 0.14 <.007 <.004 <.013 <.003 <.005 <.01 <.007 <.013 <.002 <.001 <.002 <.002 <.005 <.006
12/10/96 1300 <.003 <.002 <.002 <.001 <.001 <.002 <.002 E.1 <.003 0.036 <.004 0.0059 <.002 0.34 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 0.076 0.014 <.004 <.004 <.003 <.004 <.006 <.004 0.011 <.002 0.11 <.007 <.004 <.013 <.003 0.021 <.01 <.007 <.013 <.002 <.001 <.002 <.002 <.005 <.006
1/13/97 1100 <.003 <.002 <.002 0.024 <.001 <.002 <.002 E.08 <.003 0.045 <.004 0.0045 <.002 0.55 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 0.094 0.008 <.004 <.004 <.003 <.004 <.006 <.004 <.004 <.002 0.1 <.007 <.004 <.013 <.003 0.094 E.01 <.007 <.013 <.002 <.001 <.002 <.002 <.005 <.006
1/29/97 0930 <.003 <.002 <.002 <.001 <.001 <.002 <.002 E.03 <.003 0.026 <.004 0.004 <.002 0.23 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 0.015 0.007 <.004 <.004 <.003 <.004 <.006 <.004 <.004 <.002 0.085 <.007 <.004 <.013 <.003 0.072 0.078 <.007 <.013 <.002 <.001 0.006 <.002 <.005 <.006
2/7/97 1030 <.003 <.002 <.002 0.004 <.001 <.002 <.002 E.02 <.003 0.016 <.004 E.003 <.002 0.2 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 <.005 0.004 <.004 <.004 <.003 <.004 <.006 <.004 <.004 <.002 0.11 <.007 <.004 <.013 <.003 0.042 0.027 <.007 <.013 <.002 <.001 <.002 <.002 <.005 <.006
2/21/97 0930 <.003 <.002 <.002 <.001 <.001 <.002 <.002 E.1 <.003 0.013 <.004 0.0078 <.002 0.3 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 0.061 0.02 0.052 <.004 <.003 <.004 <.006 <.004 <.040 <.002 0.52 <.007 <.004 <.013 <.003 <.005 <.01 <.007 <.013 <.002 <.001 E.004 <.002 <.005 <.006
3/7/97 0940 <.003 <.002 <.002 <.001 <.001 <.002 <.002 E.2 <.003 0.017 <.004 0.013 <.002 0.32 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 0.021 0.068 <.030 <.004 <.003 <.004 <.006 <.004 <.004 <.002 0.1 <.007 <.004 <.013 <.003 0.055 <.01 <.007 <.013 <.002 <.001 E.003 <.002 <.005 <.006
3/21/97 1000 <.003 <.002 <.002 <.001 <.001 <.002 <.002 E.3 E.05 0.0076 <.004 0.019 <.002 0.38 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 0.027 0.026 <.020 <.004 <.003 <.004 <.006 <.004 <.004 <.002 0.23 <.007 <.004 <.013 <.003 0.06 <.01 <.007 <.013 <.002 <.001 <.002 <.002 <.005 <.006
4/10/97 1030 <.003 <.002 <.002 <.001 <.001 <.002 <.002 E1.5 <.030 0.012 <.004 0.009 <.002 0.51 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 <.010 0.025 <.004 <.004 <.003 <.004 <.006 <.004 <.004 <.002 0.12 <.007 <.004 <.013 <.003 0.19 <.01 <.007 <.013 <.002 <.001 <.002 <.002 <.005 <.006
4/23/97 1200 <.003 <.002 <.002 0.024 <.001 0.013 <.002 E2 <.003 <.004 <.004 0.008 <.002 0.73 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 0.63 0.062 <.004 <.004 <.003 <.004 <.006 <.004 <.004 <.002 0.51 <.007 <.004 <.013 <.003 0.078 <.01 <.007 <.013 <.002 <.001 0.018 <.002 <.005 <.006
5/12/97 0900 <.003 <.002 <.002 <.001 <.001 <.002 <.002 E.2 <.003 0.0074 <.004 0.0041 <.002 0.26 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 <.0050 0.0087 <.004 <.004 <.003 <.004 <.006 <.004 <.004 <.002 0.21 <.007 <.004 <.013 <.003 0.019 <.01 <.007 <.013 E.004 <.001 E.002 <.002 <.005 <.006
5/23/97 1310 <.003 <.002 <.002 <.001 <.001 <.002 <.002 E1 <.003 <.004 <.004 0.0049 <.002 1.4 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 0.14 <.002 <.004 <.004 <.003 <.004 <.006 <.004 <.004 <.002 0.23 <.007 <.004 <.013 <.003 0.043 <.01 <.007 <.013 <.002 <.001 0.0053 <.002 <.005 <.006
5/27/97 1020 <.003 <.002 <.002 <.001 <.001 <.002 <.002 E.3 <.003 <.004 <.004 0.0065 <.002 0.49 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 0.041 0.011 <.004 0.054 <.003 <.004 <.006 <.004 <.004 <.002 0.29 <.007 <.004 <.013 <.003 0.027 <.01 <.007 <.013 <.002 <.001 <.002 <.002 <.005 <.006
6/13/97 1020 <.003 <.002 <.002 0.015 <.05 <.002 <.002 E.3 <.003 <.004 <.004 0.0058 <.002 0.44 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 0.14 0.017 0.18 <.004 <.003 <.004 <.006 <.004 <.004 <.002 <.018 <.007 0.091 <.013 <.003 <.005 <.01 <.007 <.013 <.002 <.001 E.003 <.002 <.005 <.006
6/26/97 0920 <.003 <.002 <.002 <.001 <.001 <.002 <.002 E.05 <.003 0.012 <.004 E.0025 <.002 0.17 <.001 <.017 E.003 <.004 <.003 <.003 <.004 <.002 <.005 0.051 <.004 <.004 <.003 <.004 <.006 <.004 <.004 <.002 0.087 <.007 <.004 <.013 <.003 <.005 <.01 <.007 <.013 <.002 <.001 <.002 <.002 <.005 <.006
7/11/97 0900 <.003 <.002 <.002 <.001 <.001 <.002 <.002 E.05 <.003 0.0064 <.004 E.0018 <.002 0.41 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 <.005 0.017 <.004 <.004 <.003 <.004 <.006 <.004 0.021 <.002 0.088 <.007 <.004 <.013 <.003 0.061 <.01 <.007 <.013 <.002 <.001 <.002 <.002 <.005 <.006
7/21/97 0940 <.003 <.002 <.002 <.001 <.001 <.002 <.002 E.06 <.003 0.0065 <.004 <.002 <.002 0.3 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 <.005 0.01 <.004 <.004 <.003 <.004 <.006 <.004 <.004 <.002 0.069 <.007 <.004 <.013 <.003 <.005 <.01 <.007 <.013 <.002 <.001 <.002 <.002 <.005 <.006
8/8/97 0910 <.003 <.002 <.002 <.001 <.03 <.002 <.002 E.2 <.003 0.007 <.004 E.0004 <.002 0.24 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 <.005 0.0046 <.004 <.004 <.003 <.004 <.006 <.004 <.004 <.002 0.13 <.007 <.004 <.013 <.003 0.008 0.072 <.007 <.013 <.002 <.001 <.002 <.002 <.005 <.006
8/29/97 1400 <.003 <.002 <.002 <.001 <.001 <.002 <.002 E.2 <.003 0.0078 <.004 <.002 <.002 0.17 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 0.02 0.0044 <.004 <.004 <.003 <.004 <.006 <.004 <.004 <.002 0.12 <.007 <.004 <.013 <.003 0.021 <.01 <.007 <.013 <.002 <.001 <.002 <.002 <.005 <.006
9/5/97 1000 <.003 <.002 <.002 <.001 <.001 <.002 <.002 E.2 <.003 <.004 <.004 <.002 <.002 0.17 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 0.013 0.0061 <.004 <.004 <.003 <.004 <.006 <.004 <.004 <.002 0.12 <.007 <.004 <.013 <.003 <.005 <.01 <.007 <.013 <.002 <.001 <.002 <.002 <.005 <.006
9/26/97 1115 E.002 <.002 <.002 <.001 <.08 <.002 <.002 E.09 <.003 0.0048 <.004 <.002 <.002 0.14 <.001 <.017 <.010 <.004 <.003 <.003 <.004 <.002 <.01 <.010 <.004 <.004 <.003 <.004 <.006 <.004 <.004 <.002 0.07 <.007 <.004 <.013 <.003 <.005 <.01 <.007 <.013 <.002 <.001 <.002 <.002 <.005 <.006
10/8/97 0930 <.003 <.002 <.002 <.001 <.001 <.002 <.002 E.2 <.003 0.0074 <.004 E.0008 <.002 0.24 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 <.005 0.0051 <.004 <.004 <.003 <.004 <.006 <.004 <.004 <.002 0.083 <.007 <.004 <.013 <.003 <.005 <.01 <.007 <.013 <.002 <.001 <.002 <.002 <.005 <.006
10/17/97 1020 <.003 <.002 <.002 <.001 <.001 <.002 <.002 E.1 <.003 0.0072 <.004 E.001 <.002 0.18 <.001 <.017 E.001 <.004 <.003 <.003 <.004 <.002 0.012 0.0047 <.004 <.004 <.003 <.004 <.006 <.004 <.004 <.002 0.059 <.007 <.004 <.013 <.003 0.011 <.01 <.007 <.013 <.002 <.001 <.002 <.002 <.005 <.006
11/7/97 0940 <.003 <.002 <.002 <.001 <.001 <.002 <.002 E.2 <.003 <.004 <.004 <.002 <.002 0.081 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 <.005 E.003 <.004 <.004 <.003 <.004 <.006 <.004 <.004 <.002 0.035 <.007 <.004 <.013 <.003 0.0094 <.01 <.007 <.013 <.002 <.001 <.002 <.002 <.005 <.006
11/14/97 0900 <.003 <.002 <.002 <.001 <.001 <.002 <.002 E.4 <.003 0.032 <.004 0.0042 <.002 0.84 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 0.075 <.002 <.004 <.004 <.003 <.004 <.006 <.004 0.16 <.002 0.14 <.007 <.004 <.013 <.003 0.11 <.01 <.007 <.013 <.002 <.001 0.02 <.002 <.005 <.006
12/19/97 0950 <.003 <.002 <.002 <.001 <.001 <.002 <.002 E.1 <.003 0.018 <.004 E.001 <.002 0.18 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 <.005 <.002 <.004 <.004 <.003 <.040 <.006 <.004 <.02 <.002 0.059 <.007 <.004 <.013 <.003 0.019 0.021 <.007 <.013 <.002 <.001 <.002 <.002 <.005 <.006
1/9/98 0930 <.003 <.002 <.002 <.001 <.5 <.002 <.002 E.09 <.003 <.020 <.004 E.002 <.002 0.21 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.1 <.005 <.002 <.004 <.004 <.003 <.004 <.006 <.004 <.01 <.002 0.043 <.007 <.004 <.013 <.003 0.014 0.013 <.007 <.013 <.002 <.001 <.002 <.002 <.005 <.006
2/17/98 1330 <.003 <.002 <.002 <.001 <.001 E.001 <.002 E.08 <.003 0.024 <.004 0.0062 <.002 0.21 <.001 <.017 0.0062 <.004 <.003 <.003 <.004 <.01 <.030 <.002 <.004 <.004 <.003 <.004 <.006 <.004 0.029 <.002 0.03 <.007 <.004 <.013 <.003 0.013 0.043 <.007 <.013 <.002 <.001 E.003 <.002 <.005 <.006
3/9/98 1000 <.003 <.002 <.002 <.001 <.001 E.004 <.002 E.06 <.003 0.024 <.004 0.0094 <.002 0.42 <.001 <.017 0.014 <.004 <.003 <.003 <.004 <.002 0.025 0.058 <.004 <.004 <.003 <.004 <.006 <.004 0.054 <.002 0.083 <.007 <.004 <.013 <.003 0.014 0.039 <.007 <.013 <.002 <.001 0.0047 <.002 <.005 <.006
4/23/98 1000 <.003 <.002 <.002 0.027 <.001 <.002 <.002 E.3 <.003 <.010 <.004 0.0056 <.002 0.28 <.001 <.017 <.002 <.004 <.003 <.003 <.004 <.002 0.048 0.67 <.004 <.004 <.003 <.004 <.006 <.004 <.004 <.002 0.1 <.007 <.004 <.013 <.003 0.011 <.01 <.007 <.013 <.002 <.001 <.002 <.002 <.005 <.006