What’s Detected?

Food × analyte

Hydroxy atrazine on water, groundwater

2007–2013 · 7 tested years

1,821samples tested
for this analyte
342samples with
a detection
18.8%of analyte-tested samples

Testing detected Hydroxy atrazine in 342 of 1,821 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: 4.0%, 11 of 272 tested samples2008: 12.9%, 32 of 249 tested samples2009: 16.2%, 45 of 278 tested samples2010: 3.4%, 8 of 236 tested samples2011: 35.8%, 216 of 604 tested samples2012: 16.7%, 28 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
2007272114.0%
20082493212.9%
20092784516.2%
201023683.4%
201160421635.8%
20121682816.7%
201314214.3%
Testing panels and detection limits change. These observations do not establish a causal trend.
All results for Water, Groundwater →Hydroxy 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)