Central Ravine

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Water Quality Monitoring Sites > Central Ravine

Central Ravine

Type	Water Quality Monitoring

193001 sampling events recorded.

Parameter	Period	Records	Charts	Min	Median	Mean	Max	Std.Dev.	Pct-10^th	Pct-25^th	Pct-75^th	Pct-90^th
Ammonia-nitrogen (mg/l)	2009-04-30 to 2019-09-25	131	Table Series Scatter Box Plot	0.02	0.12	0.205	1.8	0.2498	0.02	0.035	0.265	0.49
Cadmium (mg/l)	2009-04-30 to 2019-09-25	129	Table Series Scatter Box Plot	0.0001	0.0002	0.0003	0.0072	0.0006	0.0002	0.0002	0.0005	0.0005
Chloride (mg/l)	2009-04-30 to 2019-09-25	133	Table Series Scatter Box Plot	2.0	6.2	30.27	970.0	105.5	3.0	4.0	16.0	76.9
Chromium (mg/l)	2009-04-30 to 2019-09-25	129	Table Series Scatter Box Plot	0.0004	0.0041	0.0043	0.0204	0.0032	0.0009	0.0021	0.0051	0.008
Copper (mg/l)	2009-04-30 to 2019-09-25	129	Table Series Scatter Box Plot	0.0006	0.0072	0.0095	0.107	0.0112	0.0019	0.004	0.0112	0.0181
Discharge (cfs)	2009-04-29 to 2019-10-28	192860	Table Series Box Plot	0.0	0.1266	1.086	291.9	4.634	0.017	0.0436	0.544	2.82
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 2019-09-25	130	Table Series Scatter Box Plot	8.0	24.0	53.29	860.0	101.1	12.9	18.0	34.0	91.0
Kjeldahl nitrogen (mg/l)	2009-04-30 to 2019-09-25	133	Table Series Scatter Box Plot	0.21	1.3	1.521	7.5	1.094	0.604	0.92	1.8	2.58
Lead (mg/l)	2009-04-30 to 2019-09-25	129	Table Series Scatter Box Plot	0.0001	0.0025	0.0033	0.026	0.0036	0.0004	0.001	0.0039	0.0067
Level (ft)	2009-04-29 to 2019-10-28	192865	Table Series Box Plot	0.0008	0.146	0.218	4.196	0.2088	0.064	0.098	0.2592	0.4825
Nickel (mg/l)	2009-04-30 to 2019-09-25	129	Table Series Scatter Box Plot	0.0003	0.0028	0.0047	0.094	0.0093	0.001	0.0015	0.0042	0.0071
Nitrate (NO3) as N (mg/l)	2009-04-30 to 2019-09-25	130	Table Series Scatter Box Plot	0.05	0.3	0.6716	6.75	1.275	0.149	0.1925	0.4475	1.164
Nitrite (NO2) as N (mg/l)	2009-04-30 to 2019-09-25	130	Table Series Scatter Box Plot	0.03	0.03	0.0492	1.3	0.1117	0.03	0.03	0.04	0.06
Phosphorus as P (mg/l)	2009-04-30 to 2019-09-25	133	Table Series Scatter Box Plot	0.05	0.173	0.2153	0.801	0.1491	0.088	0.119	0.247	0.4068
Total Dissolved Phosphorus (mg/l)	2009-04-30 to 2019-09-25	131	Table Series Scatter Box Plot	0.01	0.028	0.049	0.654	0.0683	0.014	0.02	0.0505	0.093
Total suspended solids (mg/l)	2009-04-30 to 2019-09-25	128	Table Series Scatter Box Plot	1.0	68.0	250.0	3640.0	516.5	13.4	28.0	196.0	684.7
Total volatile solids (mg/l)	2009-04-30 to 2019-09-25	128	Table Series Scatter Box Plot	1.0	26.0	45.08	330.0	57.82	7.0	12.75	44.25	106.3
Velocity (ft/s)	2009-04-29 to 2019-10-28	192768	Table Series Box Plot	0.006	0.712	1.028	13.13	1.002	0.216	0.409	1.227	2.487
Zinc (mg/l)	2009-04-30 to 2019-09-25	129	Table Series Scatter Box Plot	0.0012	0.0431	0.0881	4.95	0.4315	0.0062	0.0215	0.0661	0.0993