| pH | |||||||||||||
| salmonids 6.5 – 9.0 | |||||||||||||
| mid November | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | g-Mean |
| Bessette @ Hwy6 | 7.90 | 7.89 | 8.02 | 7.46 | 8.05 | 7.90 | 7.86 | 7.90 | 7.77 | 7.75 | 7.65 | 7.92 | 7.86 |
| Duteau @ Hwy6 | 7.79 | 7.84 | 7.91 | 7.71 | 8.01 | 8.00 | 7.84 | 7.85 | 7.60 | 7.22 | 7.68 | 7.89 | 7.84 |
| Vance | 8.25 | 8.11 | 8.30 | 8.26 | 8.20 | 8.25 | 8.19 | 8.29 | 8.16 | 8.31 | 8.22 | ||
| Mid Bessette | 8.06 | 8.01 | 8.05 | 7.66 | 8.12 | 8.05 | 8.00 | 8.06 | 7.75 | 7.83 | 7.97 | 8.06 | 7.97 |
| Lower Bessette | 8.15 | 8.08 | 8.03 | 7.71 | 8.18 | 8.08 | 8.03 | 8.03 | 7.92 | 8.15 | 8.06 | 8.14 | 8.02 |
| geometric Mean | 7.97 | 7.95 | 8.05 | 7.73 | 8.13 | 8.06 | 7.98 | 8.02 | 7.84 | 7.84 | 7.90 | 8.06 | |
| mid September | |||||||||||||
| Bessette @ Hwy6 | 8.05 | 7.71 | 8.03 | 7.93 | |||||||||
| Duteau @ Hwy6 | 7.94 | 7.68 | 7.92 | 7.85 | |||||||||
| Vance | 8.29 | 8.29 | |||||||||||
| Mid Bessette | 8.28 | 7.95 | 8.14 | 8.12 | |||||||||
| Lower Bessette | 8.37 | 8.06 | 8.27 | 8.23 | |||||||||
| geometric Mean | 8.16 | 7.85 | 8.13 | ||||||||||
| mid August | |||||||||||||
| Bessette @ Hwy6 | 8.12 | 7.99 | 8.12 | 7.86 | 8.06 | 7.97 | 7.89 | 7.88 | 8.15 | 7.62 | 7.98 | 7.34 | 8.00 |
| Duteau @ Hwy6 | 7.93 | 7.72 | 7.89 | 7.61 | 7.83 | 7.86 | 7.70 | 7.79 | 7.96 | 7.92 | 7.83 | 7.59 | 7.81 |
| Vance | 8.31 | 8.27 | 8.40 | 7.28 | 8.25 | 8.36 | 8.31 | 8.24 | 8.29 | 8.25 | 8.16 | ||
| Mid Bessette | 8.12 | 7.97 | 8.13 | 8.00 | 8.23 | 8.07 | 7.98 | 8.12 | 8.28 | 7.92 | 8.09 | 7.89 | 8.10 |
| Lower Bessette | 8.18 | 8.11 | 8.28 | 8.17 | 8.26 | 8.18 | 8.14 | 8.22 | 8.23 | 8.05 | 8.22 | 8.12 | 8.20 |
| geometric Mean | 8.09 | 7.95 | 8.14 | 7.98 | 8.15 | 7.87 | 7.99 | 8.07 | 8.19 | 7.95 | 8.08 | 7.83 | |
| mid July | |||||||||||||
| Bessette @ Hwy6 | 7.92 | 7.87 | 7.90 | 7.90 | |||||||||
| Duteau @ Hwy6 | 7.92 | 7.87 | 7.69 | 7.83 | |||||||||
| Vance | 8.34 | 8.34 | |||||||||||
| Mid Bessette | 8.18 | 8.13 | 8.03 | 8.11 | |||||||||
| Lower Bessette | 8.37 | 8.18 | 8.15 | 8.23 | |||||||||
| geometric Mean | 8.10 | 8.01 | 8.02 | ||||||||||
| mid May (freshet) | |||||||||||||
| Bessette @ Hwy6 | 7.33 | 7.33 | 7.50 | 6.83 | 7.34 | 7.10 | 7.33 | 6.74 | 6.87 | 6.95 | 6.63 | 7.10 | 7.15 |
| Duteau @ Hwy6 | 7.24 | 7.42 | 7.69 | 6.78 | 7.51 | 6.75 | 7.88 | 7.06 | 7.76 | 6.82 | 7.69 | 7.33 | |
| Vance | 8.25 | 7.87 | 7.98 | 7.96 | 8.22 | 7.82 | 8.09 | 7.92 | 7.42 | 7.96 | 8.03 | ||
| Mid Bessette | 7.28 | 7.48 | 7.73 | 6.99 | 7.61 | 7.37 | 7.67 | 7.32 | 7.60 | 7.26 | 6.71 | 7.31 | 7.45 |
| Lower Bessette | 7.33 | 7.50 | 7.77 | 7.07 | 7.65 | 7.43 | 7.70 | 7.45 | 7.61 | 7.38 | 6.62 | 7.36 | 7.50 |
| geometric Mean | 7.29 | 7.43 | 7.78 | 7.10 | 7.62 | 7.31 | 7.75 | 7.27 | 7.58 | 7.37 | 6.83 | 7.48 | |
| mid April | |||||||||||||
| Bessette @ Hwy6 | 7.75 | 7.90 | 7.31 | 7.65 | |||||||||
| Duteau @ Hwy6 | 7.72 | 7.90 | 7.32 | 7.64 | |||||||||
| Vance | 8.05 | 8.05 | |||||||||||
| Mid Bessette | 8.03 | 8.10 | 7.63 | 7.92 | |||||||||
| Lower Bessette | 8.10 | 8.16 | 7.74 | 8.00 | |||||||||
| geometric Mean | 7.90 | 8.01 | 7.60 | ||||||||||
Surface water testing in the Middle Shuswap watershed
Bessette pH 2013 - 2024
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