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Water Quality Monitoring Sites > Central Ravine

Central Ravine

TypeWater Quality Monitoring

244115 sampling events recorded.

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Parameter Period Records Charts Min Median Mean Max Std.Dev. Pct-10th Pct-25th Pct-75th Pct-90th
Ammonia-nitrogen (mg/l) 2009-04-30 to
2022-10-13
168
Table Series Scatter Box Plot
0.02 0.1 0.1865 1.8 0.2291 0.02 0.06 0.2225 0.453
Cadmium (μg/L) 2009-04-30 to
2022-10-13
166
Table Series Scatter Box Plot
0.063 0.2 0.298 7.2 0.5629 0.1 0.14 0.365 0.5
Chloride (mg/l) 2009-04-30 to
2022-10-13
170
Table Series Scatter Box Plot
2.0 7.8 34.57 970.0 95.47 3.0 4.2 33.88 84.73
Chromium (μg/L) 2009-04-30 to
2022-10-13
166
Table Series Scatter Box Plot
0.37 3.25 3.8 20.4 3.037 0.885 1.325 5.0 7.05
Copper (μg/L) 2009-04-30 to
2022-10-13
166
Table Series Scatter Box Plot
0.6 5.7 8.268 107.0 10.28 1.0 3.1 10.57 16.0
Discharge (cfs) 2009-04-29 to
2022-10-27
243936
Table Series Box Plot
0.0 0.139 1.008 291.9 4.362 0.0201 0.06 0.4696 2.561
Escherichia coli (MPN/100ml) 2009-06-25 to
2009-08-27
2
Table Series Scatter Box Plot
20.0 1220.0 1220.0 2420.0 1200.0 260.0 620.0 1820.0 2180.0
Hardness, carbonate (mg/L CaCO3) 2009-04-30 to
2022-10-13
167
Table Series Scatter Box Plot
8.0 28.0 74.15 860.0 117.1 13.6 20.0 47.15 281.4
Kjeldahl nitrogen (mg/l) 2009-04-30 to
2022-10-13
171
Table Series Scatter Box Plot
0.14 1.2 1.453 9.7 1.231 0.45 0.82 1.7 2.5
Lead (μg/L) 2009-04-30 to
2022-10-13
166
Table Series Scatter Box Plot
0.1 2.0 2.821 26.0 3.358 0.435 0.6925 3.5 6.4
Level (ft) 2009-04-29 to
2022-10-27
243941
Table Series Box Plot
0.0008 0.143 0.2107 4.196 0.1974 0.0719 0.1043 0.237 0.456
Nickel (μg/L) 2009-04-30 to
2022-10-13
166
Table Series Scatter Box Plot
0.32 2.35 4.05 94.0 8.336 0.745 1.3 3.9 6.1
Nitrate (NO3) as N (mg/l) 2009-04-30 to
2022-10-13
165
Table Series Scatter Box Plot
0.05 0.34 1.092 7.52 1.894 0.15 0.2 0.51 4.324
Nitrite (NO2) as N (mg/l) 2009-04-30 to
2022-10-13
165
Table Series Scatter Box Plot
0.03 0.03 0.0527 1.3 0.1002 0.03 0.03 0.06 0.06
Phosphorus as P (mg/l) 2009-04-30 to
2022-10-13
171
Table Series Scatter Box Plot
0.033 0.155 0.2097 1.29 0.1746 0.066 0.1095 0.24 0.408
Total Dissolved Phosphorus (mg/l) 2009-04-30 to
2022-10-13
168
Table Series Scatter Box Plot
0.01 0.031 0.049 0.654 0.0629 0.017 0.02 0.055 0.0862
Total suspended solids (mg/l) 2009-04-30 to
2022-10-13
165
Table Series Scatter Box Plot
1.0 56.0 203.0 3640.0 463.9 3.0 20.0 148.0 467.8
Total volatile solids (mg/l) 2009-04-30 to
2022-10-13
165
Table Series Scatter Box Plot
1.0 20.0 38.41 330.0 53.06 3.0 10.0 42.0 96.2
Velocity (ft/s) 2009-04-29 to
2022-10-27
243844
Table Series Box Plot
0.006 0.814 1.073 13.13 0.9622 0.24 0.485 1.245 2.43
Zinc (μg/L) 2009-04-30 to
2022-10-13
166
Table Series Scatter Box Plot
1.2 37.7 73.7 4950.0 381.5 5.0 15.15 62.7 94.2