O'Conner's Creek
| Type | Water Quality Monitoring |
|---|
254547 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) | 2007-03-12 to 2019-09-23 |
102 | 0.02 | 0.02 | 0.0757 | 1.95 | 0.212 | 0.02 | 0.02 | 0.05 | 0.13 | |
| Cadmium (μg/L) | 2013-05-20 to 2019-09-23 |
89 | 0.063 | 0.2 | 0.2516 | 1.0 | 0.17 | 0.2 | 0.2 | 0.2 | 0.432 | |
| Chloride (mg/l) | 2007-03-12 to 2019-09-23 |
104 | 7.1 | 17.7 | 17.4 | 53.2 | 5.24 | 12.0 | 14.75 | 19.42 | 20.71 | |
| Chromium (μg/L) | 2013-05-20 to 2019-09-23 |
89 | 0.24 | 0.85 | 3.558 | 48.3 | 8.256 | 0.47 | 0.56 | 2.0 | 4.48 | |
| Copper (μg/L) | 2013-05-20 to 2019-09-23 |
89 | 0.3 | 1.6 | 3.899 | 43.3 | 7.43 | 0.3 | 0.33 | 3.7 | 6.22 | |
| Discharge (cfs) | 2004-05-12 to 2019-10-28 |
219794 | 0.0008 | 2.584 | 2.662 | 38.0 | 1.23 | 1.181 | 2.079 | 3.33 | 3.964 | |
| Dissolved Oxygen (mg/L) | 2007-05-21 to 2019-09-23 |
45 | 5.48 | 9.8 | 9.629 | 12.58 | 1.503 | 8.012 | 8.9 | 10.51 | 11.46 | |
| Escherichia coli (MPN/100ml) | 2007-05-02 to 2019-09-23 |
43 | 33.0 | 126.0 | 241.3 | 2420.0 | 387.7 | 35.6 | 69.5 | 244.0 | 488.0 | |
| Hardness, carbonate (mg/L CaCO3) | 2013-05-20 to 2019-09-23 |
91 | 10.0 | 248.0 | 234.3 | 337.0 | 59.6 | 158.0 | 200.5 | 279.0 | 292.0 | |
| Kjeldahl nitrogen (mg/l) | 2007-03-12 to 2019-09-23 |
104 | 0.05 | 0.62 | 1.418 | 15.0 | 2.262 | 0.233 | 0.2975 | 1.425 | 2.45 | |
| Lead (μg/L) | 2013-05-20 to 2019-09-23 |
89 | 0.1 | 0.33 | 2.42 | 32.7 | 6.342 | 0.1 | 0.16 | 1.1 | 3.04 | |
| Level (ft) | 2004-05-12 to 2019-10-28 |
219794 | 10.22 | 10.68 | 10.83 | 12.8 | 0.5226 | 10.43 | 10.53 | 10.84 | 11.66 | |
| Nickel (μg/L) | 2013-05-20 to 2019-09-23 |
89 | 0.3 | 0.97 | 3.266 | 35.0 | 7.032 | 0.4 | 0.5 | 2.3 | 5.32 | |
| Nitrate (NO3) as N (mg/l) | 2007-03-12 to 2019-09-23 |
101 | 0.61 | 6.27 | 5.927 | 10.1 | 2.634 | 2.4 | 3.7 | 8.46 | 9.06 | |
| Nitrite (NO2) as N (mg/l) | 2007-03-12 to 2019-09-23 |
101 | 0.03 | 0.03 | 0.0676 | 1.3 | 0.1416 | 0.03 | 0.03 | 0.05 | 0.1 | |
| pH | 2013-08-14 to 2019-09-23 |
33 | 7.7 | 8.2 | 8.179 | 9.1 | 0.2852 | 7.808 | 8.1 | 8.3 | 8.5 | |
| Phosphorus as P (mg/l) | 2007-03-12 to 2019-09-23 |
104 | 0.018 | 0.097 | 0.3302 | 5.72 | 0.7792 | 0.0313 | 0.0457 | 0.276 | 0.4781 | |
| Specific conductance (mg/l) | 2018-05-22 to 2018-10-18 |
4 | 537.0 | 587.0 | 575.8 | 592.0 | 22.51 | 551.4 | 573.0 | 589.8 | 591.1 | |
| Specific Conductance (µS/cm) | 2013-08-14 to 2019-09-23 |
29 | 533.0 | 578.0 | 579.8 | 623.0 | 25.44 | 545.0 | 564.0 | 599.0 | 615.2 | |
| Total Dissolved Phosphorus (mg/l) | 2013-05-20 to 2019-09-23 |
90 | 0.02 | 0.043 | 0.0752 | 0.472 | 0.0829 | 0.02 | 0.0243 | 0.096 | 0.1649 | |
| Total suspended solids (mg/l) | 2007-03-12 to 2019-09-23 |
104 | 1.0 | 15.0 | 149.6 | 2280.0 | 421.6 | 2.0 | 3.0 | 59.25 | 209.2 | |
| Total volatile solids (mg/l) | 2007-03-12 to 2019-09-23 |
104 | 1.0 | 3.0 | 26.12 | 370.0 | 70.31 | 1.0 | 1.0 | 12.0 | 35.4 | |
| Transparency, tube with disk (cm) | 2007-05-21 to 2017-05-26 |
26 | 20.0 | 100.0 | 99.69 | 120.0 | 19.72 | 92.5 | 100.0 | 100.0 | 120.0 | |
| Velocity (ft/s) | 2013-04-24 to 2013-11-01 |
18329 | 0.002 | 0.546 | 0.5871 | 9.35 | 0.2555 | 0.465 | 0.496 | 0.619 | 0.736 | |
| Water Temperature (C) | 2007-05-21 to 2019-09-23 |
54761 | 2.57 | 13.15 | 12.95 | 21.3 | 3.11 | 8.65 | 10.98 | 15.18 | 16.76 | |
| Zinc (μg/L) | 2013-05-20 to 2019-09-23 |
89 | 0.8 | 5.0 | 15.18 | 144.0 | 29.88 | 0.8 | 1.5 | 11.9 | 29.98 |