Ethinyl estradiol
Griffith Water Department
NOTE: Griffith Water Department purchases water from Hammond Water Works Department which is required to test for ethinyl estradiol. Sample information shown below was taken by Hammond Water Works Department.
Ethinyl estradiol 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 | 2 | 0 | ND |
| 2015 | ND | 2 | 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: Griffith Water Department purchases water from Hammond Water Works Department which is required to test for ethinyl estradiol. Sample information shown below was taken by Hammond Water Works Department.
| Date | Lab ID | Result |
|---|---|---|
| 2015-03-24 | 3213265 | ND |
| 2015-06-16 | 3263369 | ND |
| 2015-09-15 | 3322768 | ND |
| 2015-12-15 | 3374826 | ND |