| Sample Date | Result Flag | Result Value | Unit | |
|---|---|---|---|---|
| 2013-06-03 | 450 | µg/L | View Sample | |
| 2014-06-18 | 390 | µg/L | View Sample | |
| 2015-07-09 | 340 | µg/L | View Sample | |
| 2016-07-06 | 340 | µg/L | View Sample | |
| 2017-06-27 | 350 | µg/L | View Sample | |
| 2019-09-05 | 330 | µg/L | View Sample | |
| 2020-09-28 | 280 | µg/L | View Sample |