Estriol
City of Plano
NOTE: City of Plano purchases water from North Texas Municipal Water District Wylie Water Treatment Plant which is required to test for estriol. Sample information shown below was taken by North Texas Municipal Water District Wylie Water Treatment Plant.
Estriol is one of the 3 types of estrogen made by the human body. Sex hormones get into water downstream from livestock and pharmaceutical production, or incomplete removal in waste water treatment. There are no standards to gauge how risky additional hormones are for human health.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 3 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppt = parts per trillion
All test results
NOTE: City of Plano purchases water from North Texas Municipal Water District Wylie Water Treatment Plant which is required to test for estriol. Sample information shown below was taken by North Texas Municipal Water District Wylie Water Treatment Plant.
| Date | Lab ID | Result |
|---|