4-Androstene-3,17-dione
City of Flint
NOTE: City of Flint purchases water from Great Lakes Water Authority - Lake Huron Treatment Facility which is required to test for 4-androstene-3,17-dione. Sample information shown below was taken by Great Lakes Water Authority - Lake Huron Treatment Facility.
Human sex hormones are sometimes detected at low concentrations in drinking water. There are no current health guidelines to determine whether these exposures are safe, or if they could pose a risk to 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 | N/A | 0 | 0 | N/A |
| 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 Flint purchases water from Great Lakes Water Authority - Lake Huron Treatment Facility which is required to test for 4-androstene-3,17-dione. Sample information shown below was taken by Great Lakes Water Authority - Lake Huron Treatment Facility.
| Date | Lab ID | Result |
|---|