| Sample Date | Result Flag | Result Value | Unit | |
|---|---|---|---|---|
| 2013-06-06 | 32,400 | µg/L | View Sample | |
| 2013-12-12 | 32,100 | µg/L | View Sample | |
| 2014-06-04 | 42,100 | µg/L | View Sample | |
| 2014-12-04 | 41,400 | µg/L | View Sample | |
| 2015-06-10 | 29,400 | µg/L | View Sample | |
| 2015-12-15 | 33,100 | µg/L | View Sample | |
| 2016-06-15 | 34,000 | µg/L | View Sample | |
| 2016-12-20 | 37,400 | µg/L | View Sample | |
| 2017-06-14 | 32,900 | µg/L | View Sample | |
| 2017-12-15 | 42,800 | µg/L | View Sample | |
| 2018-06-19 | 37,000 | µg/L | View Sample | |
| 2018-12-11 | 34,200 | µg/L | View Sample | |
| 2019-06-11 | 45,200 | µg/L | View Sample | |
| 2019-12-17 | 36,700 | µg/L | View Sample | |
| 2020-12-08 | 33,600 | µg/L | View Sample | |
| 2022-09-14 | 38,800 | µg/L | View Sample | |
| 2023-03-15 | 40,000 | µg/L | View Sample | |
| 2023-09-20 | 40,600 | µg/L | View Sample | |
| 2024-03-19 | 36,100 | µg/L | View Sample | |
| 2024-09-17 | 39,700 | µg/L | View Sample | |
| 2025-03-18 | 31,500 | µg/L | View Sample | |
| 2025-09-16 | 36,900 | µg/L | View Sample |