What’s Detected?

Food × analyte

Atrazine on water, groundwater

2007–2013 · 7 tested years

1,830samples tested
for this analyte
325samples with
a detection
17.8%of analyte-tested samples

Testing detected Atrazine in 325 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: 9.2%, 25 of 272 tested samples2008: 4.8%, 12 of 249 tested samples2009: 12.6%, 35 of 278 tested samples2010: 3.2%, 8 of 250 tested samples2011: 36.7%, 221 of 603 tested samples2012: 13.4%, 22 of 164 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
2007272259.2%
2008249124.8%
20092783512.6%
201025083.2%
201160322136.7%
20121642213.4%
201314214.3%
Testing panels and detection limits change. These observations do not establish a causal trend.
All results for Water, Groundwater →Atrazine 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)