| Total Phosphorus mg/L | |||||||||||||
| mid November | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | g-Mean |
| Bessette @ Hwy6 | 0.03 | 0.08 | 0.02 | 0.02 | 0.02 | 0.01 | 0.03 | 0.03 | 0.03 | 0.03 | 0.05 | 0.03 | 0.03 |
| Duteau @ Hwy6 | 0.02 | 0.03 | 0.03 | 0.02 | 0.01 | 0.02 | 0.05 | 0.02 | 0.03 | 0.01 | 0.02 | 0.04 | 0.02 |
| Vance | 0.01 | 0.01 | <0.01 | <0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.02 | 0.02 | 0.01 | ||
| Mid Bessette | 0.04 | 0.02 | 0.05 | 0.03 | 0.02 | 0.02 | 0.06 | 0.03 | 0.03 | 0.04 | 0.06 | 0.04 | 0.03 |
| Lower Bessette | 0.04 | 0.02 | 0.04 | 0.03 | 0.03 | 0.02 | 0.05 | 0.03 | 0.03 | 0.04 | 0.04 | 0.03 | 0.03 |
| geometric Mean | 0.03 | 0.03 | 0.02 | 0.02 | 0.02 | 0.02 | 0.03 | 0.02 | 0.02 | 0.02 | 0.03 | 0.03 | |
| mid September | |||||||||||||
| Bessette @ Hwy6 | 0.04 | 0.04 | 0.03 | 0.04 | |||||||||
| Duteau @ Hwy6 | 0.04 | 0.09 | 0.03 | 0.05 | |||||||||
| Vance | 0.01 | 0.01 | |||||||||||
| Mid Bessette | 0.04 | 0.04 | 0.04 | 0.04 | |||||||||
| Lower Bessette | 0.04 | 0.02 | 0.02 | 0.03 | |||||||||
| geometric Mean | 0.04 | 0.04 | 0.02 | ||||||||||
| mid August | |||||||||||||
| Bessette @ Hwy6 | 0.04 | 0.03 | 0.04 | 0.02 | 1.00 | 0.01 | 0.03 | 0.03 | 0.04 | 0.03 | 0.04 | 0.06 | 0.04 |
| Duteau @ Hwy6 | 0.03 | 0.04 | 0.03 | 0.02 | 0.02 | 0.03 | 0.03 | 0.02 | 0.02 | 0.02 | 0.02 | 0.03 | 0.03 |
| Vance | 0.01 | 0.01 | <0.01 | <0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | ||
| Mid Bessette | 0.04 | 0.03 | 0.04 | 0.03 | 0.04 | 0.02 | 0.02 | 0.02 | 0.03 | 0.01 | 0.03 | 0.03 | 0.03 |
| Lower Bessette | 0.02 | 0.07 | 0.03 | 0.02 | 0.02 | 0.02 | 0.03 | 0.02 | 0.02 | 0.01 | 0.02 | 0.02 | 0.02 |
| geometric Mean | 0.03 | 0.04 | 0.02 | 0.02 | 0.06 | 0.02 | 0.02 | 0.02 | 0.02 | 0.01 | 0.02 | 0.02 | |
| mid July | |||||||||||||
| Bessette @ Hwy6 | 0.04 | 0.07 | 0.03 | 0.05 | |||||||||
| Duteau @ Hwy6 | 0.05 | 0.04 | 0.04 | 0.04 | |||||||||
| Vance | 0.01 | 0.01 | |||||||||||
| Mid Bessette | 0.04 | 0.02 | 0.08 | 0.04 | |||||||||
| Lower Bessette | 0.04 | 0.04 | 0.05 | 0.04 | |||||||||
| geometric Mean | 0.04 | 0.04 | 0.03 | ||||||||||
| mid May (freshet) | |||||||||||||
| Bessette @ Hwy6 | 0.05 | 0.08 | 0.04 | 0.03 | 0.09 | 0.04 | 0.03 | 0.30 | 0.07 | 0.03 | 0.15 | 0.18 | 0.07 |
| Duteau @ Hwy6 | 0.05 | 0.04 | 0.05 | 0.03 | 0.03 | 0.04 | 0.02 | 0.42 | 0.04 | 0.02 | 0.04 | 0.05 | 0.04 |
| Vance | 0.01 | 0.02 | 0.69 | 0.13 | 0.02 | 0.63 | 0.04 | 0.01 | 0.40 | 0.20 | 0.08 | ||
| Mid Bessette | 0.10 | 0.14 | 0.07 | 0.05 | 0.19 | 0.05 | 0.04 | 0.50 | 0.10 | 0.02 | 0.22 | 0.23 | 0.10 |
| Lower Bessette | 0.14 | 0.20 | 0.07 | 0.05 | 0.26 | 0.11 | 0.05 | 0.21 | 0.12 | 0.02 | 0.29 | 0.34 | 0.12 |
| geometric Mean | 0.08 | 0.10 | 0.04 | 0.03 | 0.15 | 0.06 | 0.03 | 0.38 | 0.07 | 0.02 | 0.17 | 0.17 | |
| mid April | |||||||||||||
| Bessette @ Hwy6 | 0.04 | 0.08 | 0.04 | 0.05 | |||||||||
| Duteau @ Hwy6 | 0.03 | 0.03 | 0.04 | 0.03 | |||||||||
| Vance | 0.01 | 0.01 | |||||||||||
| Mid Bessette | 0.05 | 0.10 | 0.04 | 0.06 | |||||||||
| Lower Bessette | 0.05 | 0.11 | 0.04 | 0.06 | |||||||||
| geometric Mean | 0.04 | 0.07 | 0.03 | ||||||||||