4-Androstene-3,17-dione
Des Moines Water Works
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 0.397 ppt | 3 | 2 | ND - 0.610 ppt |
2015 | ND | 9 | 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
Date | Lab ID | Result |
---|---|---|
2014-07-30 | 180956 | 0.580 ppt |
2014-07-30 | 180958 | ND |
2014-07-30 | 180961 | 0.610 ppt |
2015-01-26 | 211475 | ND |
2015-01-26 | 211476 | ND |
2015-01-26 | 211498 | ND |
2015-01-27 | 211683 | ND |
2015-01-27 | 211693 | ND |
2015-04-01 | 226436 | ND |
2015-04-01 | 226532 | ND |
2015-04-01 | 226432 | ND |
2015-04-02 | 226960 | ND |