Table Wq01: Quarterly water quality data from the Osage River near St. Thomas, Missouri

Table Wq01: Quarterly water quality data from the Osage River near St. Thomas, Missouri, 1984 and 1995. (Data source USGS, 1985, and 1996).
CONSTITUENT	FALL 1984 1995		WINTER 1984 1995		SPRING 1984 1995		SUMMER 1984 1995
Instanteneous discharge, (ft3/second)	20,400	12,300	6,730	21,600	35,100	52,700	2,020	31,600
Temperature, (Celcius)	12.0	15.5	1.5	3	16.5	19	25	27.5
Specific Conductance, (Fs/cm)	28	272	251	254	255	281	283	248
pH, whole water, field measurement	8	7.7	7.8	7.2	7.9	7.7	7.6	7.5
Oxygen, dissolved (mg/l)	8.2	9	12.8	12.6	9.2	9.7	6	3.9
Fecal coliform, (colonies/100 ml)	96	1	10	13	<4	1,100	39	5
Fecal streptococci, (colonies/100 ml)	220	475	52	115	80	1,260	22	205
Alkalinity, (mg/l as CaCO₃)	106	102	106	83	91	105	123	90
Bicarbonate, dissolved (mg/l)	-	125	-	99	-	126	-	109
Nitrate + Nitrite, total as N (mg/l)	0.33	0.12	0.56	0.47	0.8	0.24	0.45	0.17
Phosphorus, dissolved (mg/l)	0.01	0.03	0.02	0.03	<0.02	0.09	0.02	0.02
Calcium, dissolved (mg/l)	39	0.4	37	33	33	34	40	34
Magnesium, dissolved (mg/l)	11	9.8	11	7.9	7.7	10	8.8	6.9
Sodium, dissolved (mg/l)	5.5	4.3	5.2	5.7	7.9	4.5	5.4	8.2
Potassium, dissolved (mg/l)	2.9	2.8	3.2	3.4	2.4	2.3	2.6	3.2
Sulfate, dissolved (mg/l)	26	18	27	22	29	20	26	17
Chloride, dissolved (mg/l)	5.2	8.9	6.3	8.4	5.1	5.4	4.9	3.7
Flouride, dissolved (mg/l)	0.1	0.1	0.1	0.1	0.1	<0.1	0.2	0.1
Total solids, dissolved (mg/l)	159	155	170	216	159	158	153	142
Aluminum, dissolved (Fg/l)	<10	<10	30	-	20	80	20	-
Iron, dissolved (Fg/l)	14	6	21	13	18	93	9	<3
Manganese, dissolved (Fg/l)	8	6	8	69	6	7	22	6
Nickel, dissolved (Fg/l)	11	<1	4	<1	<1	<1	10	1
Strontium, dissolved (Fg/l)	120	97	110	89	110	83	130	120

Permalink for this page: http://mdc.mo.gov/node/13138