What’s Detected?

Food × analyte

Metolachlor on water, groundwater

2007–2013 · 7 tested years

1,830samples tested
for this analyte
157samples with
a detection
8.6%of analyte-tested samples

Testing detected Metolachlor in 157 of 1,830 water, groundwater samples actually tested for this analyte. This percentage uses analyte-tested samples, not all 1,835 samples of this food.

Year-by-year results

Actual tested and detected sample counts.

0%25%50%75%100%2007: 2.2%, 6 of 272 tested samples2008: 1.2%, 3 of 249 tested samples2009: 3.6%, 10 of 278 tested samples2010: 0.0%, 0 of 250 tested samples2011: 21.9%, 132 of 603 tested samples2012: 3.0%, 5 of 164 tested samples2013: 7.1%, 1 of 14 tested samples200720102013

7 tested years between 2007 and 2013. Gaps mean no validated tests in this release.

Read the yearly counts
Percentages use the samples actually tested in each year.
YearTestedDetectedRate
200727262.2%
200824931.2%
2009278103.6%
201025000.0%
201160313221.9%
201216453.0%
20131417.1%
Testing panels and detection limits change. These observations do not establish a causal trend.
All results for Water, Groundwater →Metolachlor across foods →

About these results

Source: USDA Pesticide Data Program. Included annual releases: 2007, 2008, 2009, 2010, 2011, 2012, 2013.

How we count tests, detections and missing years →

Other analytes on this food

Metolachlor ethanesulfonic acid (ESA)Metolachlor oxanilic acid (OA)Desethyl atrazineAlachlor ethanesulfonic acid (ESA)