4-Androstene-3,17-dione
Waltham Water Department (MWRA)
NOTE: Waltham Water Department (MWRA) purchases water from Massachusetts Water Resources Authority (MWRA) which is required to test for 4-androstene-3,17-dione. Sample information shown below was taken by Massachusetts Water Resources Authority (MWRA).
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 | 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: Waltham Water Department (MWRA) purchases water from Massachusetts Water Resources Authority (MWRA) which is required to test for 4-androstene-3,17-dione. Sample information shown below was taken by Massachusetts Water Resources Authority (MWRA).
| Date | Result |
|---|