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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)

Agricultural Land-use Survey: Rice

Pesticides in filtered water (0.7 micrometer glass fiber filter) analyzed by
liquid chromatography/ultraviolet light 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]

USGS Identifier

State Well Number

Date

Time

2,4,5-T (µg/L)

2,4-D (µg/L)

2,4-DB (µg/L)

Silvex (µg/L)

3-Hydroxycarbofuran (µg/L)

DNOC (µg/L)

Acifluorfen (µg/L)

Aldicarb (µg/L)

Aldicarb Sulfone (µg/L)

Aldicarb Sulfoxide (µg/L)

Bentazon (µg/L)

Bromacil (µg/L)

Bromoxynil (µg/L)

Carbaryl (µg/L)

Carbofuran (µg/L)

Chloramben (µg/L)

Chlorothalonil (µg/L)

Clopyralid (µg/L)

Dacthal (µg/L)

Dicamba (µg/L)

Dichlobenil (µg/L)

Dichlorprop (µg/L)

Dinoseb (µg/L)

Diuron (µg/L)

Fenuron (µg/L)

Fluometuron (µg/L)

Linuron (µg/L)

MCPA (µg/L)

MCP (µg/L)

Methiocarb (µg/L)

Methomyl (µg/L)

Neburon (µg/L)

Norfluorazon (µg/L)

Oryzalin (µg/L)

Oxamyl (µg/L)

Picloram (µg/L)

Propham (µg/L)

Propoxur (µg/L)

Triclopyr (µg/L)

384330121293901

10N/4E-13F1M

8/11/97

1610

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

0.57

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

E.1

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

385314121401701

12N/3E-18H1M

10/3/97

1200

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

<.014

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

385431121451401

12N/2E-9B2M

9/8/97

1400

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

E.1

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

385528121532001

12N/1E-5C1M

8/12/97

1200

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

E7.7

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

385720121282401

13N/4E-24Q1M

10/2/97

1120

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

<.014

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

390416121433601

14N/2E-10R1M

8/18/97

1430

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

0.35

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

390832121463601

15N/2E-20D1M

8/19/97

0930

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

E2.3

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

390856122044301

15N/2W-16R1M

8/13/97

0930

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

E4.8

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

391059122043601

15N/2W-3E1M

9/17/97

1000

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

0.47

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

391653122101401

17N/3W-35M1M

8/14/97

1100

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

0.12

0.19

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

0.04

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

392328121571501

18N/1W-27B1M

9/29/97

1400

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

<.014

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

391947122094501

17N/2W-14G2M

9/16/97

1320

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

0.29

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

392358121450301

18N/2E-21G1M

9/9/97

1100

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

E4.1

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

392524122113401

18N/3W-9R1M

9/17/97

1430

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

<.014

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

392542121452501

18N/2E-9L1M

8/19/97

1500

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

0.91

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

392545122015201

18N/2W-12G2M

9/30/97

1030

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

<.014

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

0.09

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

392604121531801

18N/1E-8D1M

8/21/97

0930

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

1

<.035

<.035

<.008

0.06

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

392810122080901

19N/3W-25R1M

9/30/97

1430

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

E1.45

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

392824122091401

19N/3W-25E1M

8/14/97

1600

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

1.37

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

392848121523901

19N/1E-20R1M

9/10/97

1430

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

0.89

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

392924121504801

19N/1E-22B1M

8/21/97

1330

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

0.06

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

392931122031701

19N/2W-23E1M

8/20/97

1130

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

0.96

<.035

<.035

<.008

0.8

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

393119121521001

19N/1E-9C1M

9/10/97

1100

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

E7.8

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

393230121422201

20N/2E-35J2M

9/11/97

0930

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

<.014

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

393235122055301

20N/2W-32J1M

9/18/97

1100

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

0.62

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

393353122013501

20N/2W-25A1M

8/15/97

1100

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

E1.6

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

393538122053201

20N/2W-16D1M

10/1/97

1000

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

<.014

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

393630121455401

20N/2E-8A1M

9/9/97

1530

<.035

<.035

<.035

<.021

<.014

<.035

<.035

<.016

<.016

<.021

<.014

<.035

<.035

<.008

<.028

<.011

<.035

<.05

<.017

<.035

<.02

<.032

<.035

<.02

<.013

<.035

<.018

<.05

<.035

<.026

<.017

<.015

<.024

<.019

<.018

<.05

<.035

<.035

<.05

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