4-Androstene-3,17-dione
United Water Westchester Rate District 1
NOTE: United Water Westchester Rate District 1 purchases water from New York City System which is required to test for 4-androstene-3,17-dione. Sample information shown below was taken by New York City System.
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.
15
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 |
|---|---|---|---|---|
| 2014 | ND | 9 | 0 | ND |
| 2015 | ND | 4 | 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: United Water Westchester Rate District 1 purchases water from New York City System which is required to test for 4-androstene-3,17-dione. Sample information shown below was taken by New York City System.
| Date | Lab ID | Result |
|---|---|---|
| 2013-12-10 | 201312110816SS | ND |
| 2013-12-10 | 201312110609SS | ND |
| 2013-12-10 | 201312110762SS | ND |
| 2014-03-11 | 201403120478SS | ND |
| 2014-03-11 | 201403120580SS | ND |
| 2014-03-11 | 201403120608SS | ND |
| 2014-06-24 | 201406250133SS | ND |
| 2014-06-24 | 201406250381SS | ND |
| 2014-06-24 | 201406250127SS | ND |
| 2014-09-23 | 201409240402SS | ND |
| 2014-09-23 | 201409240447SS | ND |
| 2014-09-23 | 201409240450SS | ND |
| 2015-06-25 | 201505020407SS | ND |
| 2015-09-23 | 201508080112SS | ND |
| 2015-12-08 | 201511070106SS | ND |