4-Androstene-3,17-dione
Herndon
NOTE: Herndon purchases water from Fairfax County Water Authority which is required to test for 4-androstene-3,17-dione. Sample information shown below was taken by Fairfax County Water Authority.
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 |
---|---|---|---|---|
2013 | ND | 2 | 0 | ND |
2014 | ND | 2 | 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: Herndon purchases water from Fairfax County Water Authority which is required to test for 4-androstene-3,17-dione. Sample information shown below was taken by Fairfax County Water Authority.
Date | Lab ID | Result |
---|---|---|
2013-07-17 | 201307190415SS | ND |
2013-07-17 | 201307180811SS | ND |
2013-07-17 | 201307180822SS | ND |
2013-07-17 | 201307180824SS | ND |
2013-07-17 | 201307180820SS | ND |
2013-10-15 | 201310160210SS | ND |
2013-10-15 | 201310160200SS | ND |
2013-10-15 | 201310160176SS | ND |
2013-10-15 | 201310160171SS | ND |
2013-10-15 | 201310160208SS | ND |
2014-01-13 | 201401140197SS | ND |
2014-01-13 | 201401150723SS | ND |
2014-01-13 | 201401150621SS | ND |
2014-01-13 | 201401140199SS | ND |
2014-01-14 | 201401150684SS | ND |
2014-04-14 | 201404150283SS | ND |
2014-04-14 | 201404150405SS | ND |
2014-04-14 | 201404150439SS | ND |
2014-04-14 | 201404150441SS | ND |
2014-04-14 | 201404150219SS | ND |