Desethylatrazine
Beloit, City of
Desethylatrazine, or deethylatrazine, and desisopropylatrazine are formed from the degradation of atrazine, a herbicide associated with hormonal disruption in people and wildlife.
6
Samples
0
Samples exceeding legal limit (MCL)
3
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | 1.000 ppb | 1 | 1 | 1.000 ppb |
| 2017 | 0.650 ppb | 1 | 1 | 0.650 ppb |
| 2018 | 0.320 ppb | 1 | 1 | 0.320 ppb |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.1 ppb
The EWG Health Guideline of 0.1 ppb for desethylatrazine was defined by EWG based on epidemiological studies of human exposure to atrazine in drinking water. This health guideline protects against harm to the developing fetus, harm to the reproductive system and hormone disruption.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-05-19 | 117273 | ND |
| 2014-07-07 | 147130 | ND |
| 2015-05-18 | 335039 | ND |
| 2016-05-16 | 547602 | 1.000 ppb |
| 2017-05-22 | 765764 | 0.650 ppb |
| 2018-05-21 | 974652 | 0.320 ppb |