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Water Quality Monitoring Sites > Central Ravine

Central Ravine

TypeWater Quality Monitoring

211659 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
2020-11-04
144
Table Series Scatter Box Plot
0.02 0.115 0.1957 1.8 0.2411 0.02 0.04 0.25 0.481
Cadmium (mg/l) 2009-04-30 to
2020-11-04
142
Table Series Scatter Box Plot
0.0001 0.0002 0.0003 0.0072 0.0006 0.0001 0.0002 0.0005 0.0005
Chloride (mg/l) 2009-04-30 to
2020-11-04
146
Table Series Scatter Box Plot
2.0 6.65 31.73 970.0 101.5 3.0 4.0 23.9 83.25
Chromium (mg/l) 2009-04-30 to
2020-11-04
142
Table Series Scatter Box Plot
0.0004 0.0035 0.0041 0.0204 0.0031 0.0008 0.0018 0.005 0.0077
Copper (mg/l) 2009-04-30 to
2020-11-04
142
Table Series Scatter Box Plot
0.0006 0.0067 0.009 0.107 0.0109 0.0014 0.0038 0.0112 0.0174
Discharge (cfs) 2009-04-29 to
2020-11-18
211505
Table Series Box Plot
0.0 0.149 1.098 291.9 4.581 0.0186 0.05 0.5834 2.823
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
2020-11-04
143
Table Series Scatter Box Plot
8.0 26.0 60.76 860.0 106.1 13.0 18.0 38.0 152.0
Kjeldahl nitrogen (mg/l) 2009-04-30 to
2020-11-04
146
Table Series Scatter Box Plot
0.2 1.2 1.472 7.5 1.077 0.575 0.86 1.7 2.55
Lead (mg/l) 2009-04-30 to
2020-11-04
142
Table Series Scatter Box Plot
0.0001 0.0024 0.0031 0.026 0.0035 0.0003 0.0009 0.0037 0.0066
Level (ft) 2009-04-29 to
2020-11-18
211510
Table Series Box Plot
0.0008 0.154 0.2208 4.196 0.2056 0.0672 0.1027 0.26 0.478
Nickel (mg/l) 2009-04-30 to
2020-11-04
142
Table Series Scatter Box Plot
0.0003 0.0027 0.0044 0.094 0.0089 0.0009 0.0014 0.0041 0.0069
Nitrate (NO3) as N (mg/l) 2009-04-30 to
2020-11-04
143
Table Series Scatter Box Plot
0.05 0.31 0.8112 7.02 1.49 0.15 0.2 0.46 1.862
Nitrite (NO2) as N (mg/l) 2009-04-30 to
2020-11-04
143
Table Series Scatter Box Plot
0.03 0.03 0.0502 1.3 0.1066 0.03 0.03 0.06 0.06
Phosphorus as P (mg/l) 2009-04-30 to
2020-11-04
146
Table Series Scatter Box Plot
0.05 0.167 0.2139 0.801 0.1553 0.085 0.1133 0.2457 0.4205
Total Dissolved Phosphorus (mg/l) 2009-04-30 to
2020-11-04
144
Table Series Scatter Box Plot
0.01 0.029 0.0499 0.654 0.0673 0.0156 0.02 0.0542 0.0937
Total suspended solids (mg/l) 2009-04-30 to
2020-11-04
141
Table Series Scatter Box Plot
1.0 57.0 229.9 3640.0 496.4 4.0 24.0 164.0 612.0
Total volatile solids (mg/l) 2009-04-30 to
2020-11-04
141
Table Series Scatter Box Plot
1.0 23.0 41.97 330.0 56.12 3.0 12.0 43.0 102.0
Velocity (ft/s) 2009-04-29 to
2020-11-18
211413
Table Series Box Plot
0.006 0.781 1.076 13.13 1.005 0.228 0.44 1.32 2.525
Zinc (mg/l) 2009-04-30 to
2020-11-04
142
Table Series Scatter Box Plot
0.0012 0.0414 0.0822 4.95 0.4118 0.005 0.0182 0.0644 0.0973