What’s Detected?

Food × analyte

2,4-D on water, groundwater

2007–2013 · 7 tested years

1,835samples tested
for this analyte
205samples with
a detection
11.2%of analyte-tested samples

Testing detected 2,4-D in 205 of 1,835 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: 2.9%, 8 of 272 tested samples2008: 1.2%, 3 of 249 tested samples2009: 2.9%, 8 of 278 tested samples2010: 2.4%, 6 of 250 tested samples2011: 27.6%, 167 of 604 tested samples2012: 6.5%, 11 of 168 tested samples2013: 14.3%, 2 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
200727282.9%
200824931.2%
200927882.9%
201025062.4%
201160416727.6%
2012168116.5%
201314214.3%
Testing panels and detection limits change. These observations do not establish a causal trend.
All results for Water, Groundwater →2,4-D 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)