Colby Lake Outlet
| Type | Water Quality Monitoring |
|---|
207595 sampling events recorded.
| Parameter | Period | Records | Charts | Min | Median | Mean | Max | Std.Dev. | Pct-10th | Pct-25th | Pct-75th | Pct-90th |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ammonia-nitrogen (mg/l) | 2011-04-27 to 2023-10-16 |
94 | 0.02 | 0.03 | 0.0604 | 0.34 | 0.0702 | 0.02 | 0.02 | 0.06 | 0.147 | |
| Cadmium (μg/L) | 2011-04-27 to 2023-10-16 |
94 | 0.063 | 0.2 | 0.1855 | 1.0 | 0.1418 | 0.063 | 0.1 | 0.2 | 0.2 | |
| Chloride (mg/l) | 2011-04-27 to 2023-10-16 |
94 | 29.1 | 83.9 | 89.22 | 180.0 | 33.78 | 52.24 | 64.77 | 107.8 | 138.8 | |
| Chromium (μg/L) | 2011-04-27 to 2023-10-16 |
94 | 0.08 | 0.245 | 0.484 | 4.6 | 0.6958 | 0.11 | 0.1725 | 0.4025 | 1.0 | |
| Copper (μg/L) | 2011-04-27 to 2023-10-16 |
94 | 0.3 | 1.1 | 1.768 | 9.1 | 1.778 | 0.546 | 0.765 | 1.7 | 5.0 | |
| Discharge (cfs) | 2011-05-19 to 2023-10-23 |
207493 | 0.0 | 1.524 | 4.543 | 163.8 | 9.633 | 0.0103 | 0.1405 | 5.504 | 10.81 | |
| Dissolved Oxygen (mg/L) | 2017-06-26 to 2023-06-23 |
14 | 1.41 | 6.145 | 6.559 | 13.85 | 3.201 | 2.858 | 4.647 | 8.275 | 10.39 | |
| Escherichia coli (MPN/100ml) | 2011-06-09 to 2023-06-23 |
44 | 1.0 | 40.5 | 143.2 | 2420.0 | 381.6 | 6.3 | 14.75 | 96.75 | 218.7 | |
| Hardness, carbonate (mg/L CaCO3) | 2011-04-27 to 2023-10-16 |
94 | 28.0 | 55.0 | 56.46 | 160.0 | 15.44 | 44.0 | 48.0 | 61.92 | 72.0 | |
| Kjeldahl nitrogen (mg/l) | 2011-04-27 to 2023-10-16 |
94 | 0.6 | 1.14 | 1.255 | 3.2 | 0.4928 | 0.76 | 0.8825 | 1.5 | 1.97 | |
| Lead (μg/L) | 2011-04-27 to 2023-10-16 |
94 | 0.1 | 0.26 | 0.3847 | 2.6 | 0.3864 | 0.12 | 0.22 | 0.44 | 0.51 | |
| Level (ft) | 2011-05-19 to 2023-10-23 |
207493 | 0.001 | 0.28 | 0.4659 | 4.355 | 0.5064 | 0.038 | 0.1195 | 0.643 | 1.124 | |
| Nickel (μg/L) | 2011-04-27 to 2023-10-16 |
94 | 0.34 | 0.6 | 0.7566 | 5.0 | 0.6172 | 0.45 | 0.5 | 0.7575 | 1.0 | |
| Nitrate (NO3) as N (mg/l) | 2011-04-27 to 2023-10-16 |
94 | 0.05 | 0.05 | 0.1118 | 0.69 | 0.1052 | 0.05 | 0.05 | 0.2 | 0.2 | |
| Nitrite (NO2) as N (mg/l) | 2011-04-27 to 2023-10-16 |
94 | 0.03 | 0.03 | 0.0399 | 0.09 | 0.0148 | 0.03 | 0.03 | 0.06 | 0.06 | |
| pH | 2017-06-26 to 2023-06-23 |
14 | 7.62 | 9.05 | 8.969 | 10.01 | 0.68 | 8.196 | 8.363 | 9.373 | 9.834 | |
| Phosphorus as P (mg/l) | 2011-04-27 to 2023-10-16 |
94 | 0.046 | 0.0985 | 0.1176 | 0.987 | 0.1073 | 0.0573 | 0.07 | 0.1313 | 0.1765 | |
| Specific Conductance (µS/cm) | 2017-06-26 to 2023-06-23 |
12 | 354.0 | 467.5 | 507.6 | 699.0 | 121.2 | 370.3 | 423.2 | 655.2 | 664.1 | |
| Total Dissolved Phosphorus (mg/l) | 2011-04-27 to 2023-10-16 |
94 | 0.01 | 0.03 | 0.0379 | 0.132 | 0.0251 | 0.02 | 0.02 | 0.0495 | 0.0657 | |
| Total suspended solids (mg/l) | 2011-04-27 to 2023-10-16 |
94 | 1.0 | 8.0 | 13.2 | 148.0 | 19.98 | 3.0 | 4.0 | 14.5 | 24.0 | |
| Total volatile solids (mg/l) | 2011-04-27 to 2023-10-16 |
94 | 1.0 | 6.0 | 8.872 | 62.0 | 9.081 | 2.0 | 3.0 | 10.0 | 18.7 | |
| Velocity (ft/s) | 2011-05-19 to 2023-10-23 |
207464 | 0.001 | 1.53 | 2.522 | 13.21 | 2.476 | 0.054 | 0.426 | 4.939 | 6.245 | |
| Water Temperature (C) | 2017-06-26 to 2023-06-23 |
15 | 11.6 | 21.4 | 20.97 | 26.2 | 3.903 | 15.76 | 19.5 | 23.4 | 25.54 | |
| Zinc (μg/L) | 2011-04-27 to 2023-10-16 |
94 | 0.8 | 3.65 | 6.291 | 85.2 | 13.31 | 1.13 | 1.2 | 5.0 | 9.28 |