4-Androstene-3,17-dione
Metropolitan District Commission
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.
12
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | ND | 6 | 0 | ND |
| 2014 | 0.167 ppt | 6 | 1 | ND - 1.000 ppt |
| 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 |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppt = parts per trillion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2013-07-17 | 201307180544SS | ND |
| 2013-07-17 | 201307180553SS | ND |
| 2013-07-17 | 201307180742SS | ND |
| 2013-10-09 | 201310100588SS | ND |
| 2013-10-09 | 201310100524SS | ND |
| 2013-10-09 | 201310100586SS | ND |
| 2014-01-07 | 201401080380SS | ND |
| 2014-01-07 | 201401080426SS | ND |
| 2014-01-07 | 201401080365SS | ND |
| 2014-04-08 | 201404090429SS | 1.000 ppt |
| 2014-04-08 | 201404090495SS | ND |
| 2014-04-08 | 201404090441SS | ND |