| Sample Date | Result Flag | Result Value | Unit | |
|---|---|---|---|---|
| 2013-01-02 | < | 1 | µg/L | View Sample |
| 2013-07-02 | 1.4 | µg/L | View Sample | |
| 2014-01-07 | 1.1 | µg/L | View Sample | |
| 2014-06-03 | 1.0 | µg/L | View Sample | |
| 2015-01-06 | < | 1.0 | µg/L | View Sample |
| 2015-06-02 | < | 1.0 | µg/L | View Sample |
| 2016-01-05 | ND | µg/L | View Sample | |
| 2016-05-31 | < | 1.0 | µg/L | View Sample |
| 2017-01-03 | < | 0.0005 | mg/L | View Sample |
| 2018-01-02 | 0.0008 | mg/L | View Sample | |
| 2018-05-29 | 0.0012 | mg/L | View Sample | |
| 2019-01-03 | 0.0009 | mg/L | View Sample | |
| 2020-01-02 | < | 0.0005 | mg/L | View Sample |
| 2021-02-24 | 0.0007 | mg/L | View Sample | |
| 2021-08-10 | 0.0008 | mg/L | View Sample | |
| 2022-02-23 | 0.0007 | mg/L | View Sample | |
| 2022-08-09 | 0.0009 | mg/L | View Sample | |
| 2023-02-21 | 0.0006 | mg/L | View Sample | |
| 2023-08-08 | 0.0008 | mg/L | View Sample | |
| 2024-02-20 | 0.0009 | mg/L | View Sample | |
| 2024-08-06 | 0.0007 | mg/L | View Sample | |
| 2025-02-18 | 0.0012 | mg/L | View Sample | |
| 2025-07-29 | 0.0015 | mg/L | View Sample |