Ravine Lake Outlet
| Type | Water Quality Monitoring |
|---|---|
| Purpose | Regional |
144111 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) | 2015-05-27 to 2022-10-12 |
78 | 0.02 | 0.185 | 0.2192 | 0.86 | 0.1742 | 0.057 | 0.0825 | 0.2975 | 0.438 | |
| Cadmium (μg/L) | 2015-05-27 to 2022-10-12 |
78 | 0.063 | 0.2 | 0.1679 | 0.5 | 0.1042 | 0.063 | 0.1 | 0.2 | 0.2 | |
| Chloride (mg/l) | 2015-05-27 to 2022-10-12 |
78 | 24.6 | 39.85 | 39.57 | 61.0 | 5.873 | 33.24 | 35.62 | 42.9 | 45.71 | |
| Chromium (μg/L) | 2015-05-27 to 2022-10-12 |
78 | 0.11 | 0.555 | 0.9527 | 9.3 | 1.307 | 0.147 | 0.245 | 1.0 | 1.76 | |
| Copper (μg/L) | 2015-05-27 to 2022-10-12 |
78 | 0.3 | 0.5 | 1.408 | 9.4 | 1.824 | 0.3 | 0.3 | 1.375 | 5.0 | |
| Discharge (cfs) | 2015-04-29 to 2022-10-25 |
144032 | 0.012 | 1.381 | 1.491 | 18.18 | 0.8104 | 0.692 | 0.9481 | 1.904 | 2.351 | |
| Dissolved Oxygen (mg/L) | 2015-05-27 to 2022-10-12 |
45 | 3.31 | 7.55 | 7.744 | 15.18 | 2.841 | 4.43 | 5.68 | 8.94 | 11.78 | |
| Escherichia coli (MPN/100ml) | 2015-05-27 to 2022-10-12 |
53 | 5.0 | 43.0 | 101.8 | 770.0 | 156.4 | 14.0 | 20.0 | 115.0 | 226.2 | |
| Hardness, carbonate (mg/L CaCO3) | 2015-05-27 to 2022-10-12 |
78 | 112.0 | 195.0 | 196.7 | 307.0 | 44.65 | 138.7 | 165.9 | 226.4 | 263.2 | |
| Kjeldahl nitrogen (mg/l) | 2015-05-27 to 2022-10-12 |
78 | 0.47 | 1.1 | 1.28 | 3.4 | 0.6532 | 0.591 | 0.835 | 1.575 | 1.96 | |
| Lead (μg/L) | 2015-05-27 to 2022-10-12 |
78 | 0.1 | 0.5 | 1.294 | 19.4 | 2.84 | 0.154 | 0.205 | 1.0 | 2.48 | |
| Level (ft) | 2015-04-29 to 2022-10-25 |
144032 | 0.233 | 3.731 | 3.384 | 4.654 | 1.117 | 0.41 | 3.639 | 3.887 | 4.002 | |
| Nickel (μg/L) | 2015-05-27 to 2022-10-12 |
78 | 0.16 | 0.5 | 0.8624 | 8.8 | 1.284 | 0.267 | 0.3 | 0.63 | 1.6 | |
| Nitrate (NO3) as N (mg/l) | 2015-05-27 to 2022-10-12 |
78 | 0.05 | 1.115 | 1.541 | 6.53 | 1.377 | 0.194 | 0.5425 | 2.192 | 3.47 | |
| Nitrite (NO2) as N (mg/l) | 2015-05-27 to 2022-10-12 |
78 | 0.03 | 0.07 | 0.0714 | 0.15 | 0.029 | 0.03 | 0.05 | 0.09 | 0.11 | |
| pH | 2015-05-27 to 2022-10-12 |
43 | 7.7 | 8.31 | 8.42 | 9.75 | 0.4654 | 7.94 | 8.11 | 8.625 | 9.08 | |
| Phosphorus as P (mg/l) | 2015-05-27 to 2022-10-12 |
78 | 0.02 | 0.0625 | 0.1063 | 0.817 | 0.1299 | 0.0277 | 0.04 | 0.1157 | 0.1846 | |
| Specific conductance (mg/l) | 2018-05-22 to 2018-09-26 |
3 | 316.0 | 431.0 | 444.7 | 587.0 | 111.1 | 339.0 | 373.5 | 509.0 | 555.8 | |
| Specific Conductance (µS/cm) | 2015-05-27 to 2022-09-13 |
38 | 319.0 | 462.5 | 459.5 | 634.0 | 83.27 | 356.8 | 388.2 | 499.5 | 586.3 | |
| Total Dissolved Phosphorus (mg/l) | 2015-05-27 to 2022-10-12 |
78 | 0.02 | 0.02 | 0.0273 | 0.29 | 0.0308 | 0.02 | 0.02 | 0.0257 | 0.0376 | |
| Total suspended solids (mg/l) | 2015-05-27 to 2022-10-12 |
78 | 1.0 | 8.0 | 56.38 | 1360.0 | 178.4 | 3.0 | 4.0 | 25.5 | 111.2 | |
| Total volatile solids (mg/l) | 2015-05-27 to 2022-10-12 |
78 | 1.0 | 5.0 | 9.987 | 82.0 | 15.01 | 2.0 | 3.0 | 10.0 | 20.0 | |
| Transparency, tube with disk (cm) | 2015-05-27 to 2017-09-28 |
9 | 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 100.0 | 100.0 | 100.0 | 100.0 | |
| Velocity (ft/s) | 2015-04-29 to 2015-10-26 |
17273 | 0.463 | 1.415 | 1.321 | 2.099 | 0.3318 | 0.818 | 1.044 | 1.585 | 1.698 | |
| Water Temperature (C) | 2015-05-27 to 2022-10-12 |
45 | 4.3 | 20.1 | 19.35 | 26.6 | 5.122 | 12.82 | 16.3 | 23.7 | 24.92 | |
| Zinc (μg/L) | 2015-05-27 to 2022-10-12 |
78 | 0.8 | 5.0 | 5.797 | 49.5 | 8.038 | 1.17 | 1.225 | 5.0 | 10.0 |