| Sample Date | Result Flag | Result Value | Unit | |
|---|---|---|---|---|
| 2015-01-13 | 35,000 | µg/L | View Sample | |
| 2015-06-10 | 27,200 | µg/L | View Sample | |
| 2016-06-15 | 37,900 | µg/L | View Sample | |
| 2016-12-20 | 36,000 | µg/L | View Sample | |
| 2017-06-14 | 40,100 | µg/L | View Sample | |
| 2017-12-15 | 38,200 | µg/L | View Sample | |
| 2018-06-19 | 39,400 | µg/L | View Sample | |
| 2018-12-11 | 33,300 | µg/L | View Sample | |
| 2019-06-11 | 42,800 | µg/L | View Sample | |
| 2019-12-17 | 39,800 | µg/L | View Sample | |
| 2020-07-08 | 39,600 | µg/L | View Sample | |
| 2020-12-08 | 42,800 | µg/L | View Sample | |
| 2021-06-01 | 38,100 | µg/L | View Sample | |
| 2021-12-07 | 37,700 | µg/L | View Sample | |
| 2022-03-16 | 39,000 | µg/L | View Sample | |
| 2022-09-14 | 47,200 | µg/L | View Sample | |
| 2023-03-15 | 41,400 | µg/L | View Sample | |
| 2023-09-20 | 43,200 | µg/L | View Sample | |
| 2024-03-19 | 41,900 | µg/L | View Sample | |
| 2024-09-17 | 41,800 | µg/L | View Sample | |
| 2025-03-18 | 39,800 | µg/L | View Sample | |
| 2025-09-16 | 36,500 | µg/L | View Sample |