| Sample Date | Result Flag | Result Value | Unit | |
|---|---|---|---|---|
| 2013-01-02 | 1.5 | µg/L | View Sample | |
| 2013-07-02 | 2.2 | µg/L | View Sample | |
| 2014-01-07 | < | 1.0 | µg/L | View Sample |
| 2014-06-03 | 1.6 | µg/L | View Sample | |
| 2015-01-06 | 1.4 | µg/L | View Sample | |
| 2015-06-02 | 1.8 | µg/L | View Sample | |
| 2016-01-05 | 1.0 | µg/L | View Sample | |
| 2016-05-31 | 1.3 | µg/L | View Sample | |
| 2017-01-03 | 0.0009 | mg/L | View Sample | |
| 2018-01-02 | 0.0014 | mg/L | View Sample | |
| 2018-05-29 | 0.0018 | mg/L | View Sample | |
| 2019-01-03 | 0.0016 | mg/L | View Sample | |
| 2020-01-02 | 0.0010 | mg/L | View Sample | |
| 2021-02-24 | 0.0013 | mg/L | View Sample | |
| 2021-08-10 | 0.0013 | mg/L | View Sample | |
| 2022-02-23 | 0.0014 | mg/L | View Sample | |
| 2022-08-09 | 0.0018 | mg/L | View Sample | |
| 2023-02-21 | 0.0011 | mg/L | View Sample | |
| 2023-08-08 | 0.0014 | mg/L | View Sample | |
| 2024-02-20 | 0.0010 | mg/L | View Sample | |
| 2024-08-06 | 0.0012 | mg/L | View Sample | |
| 2025-02-18 | 0.0005 | mg/L | View Sample | |
| 2025-07-29 | 0.0026 | mg/L | View Sample |