07010000 DATA: Sediment Tables, 2000

Station list Available data
LOWER MISSISSIPPI RIVER BASIN

07010000 MISSISSIPPI RIVER AT ST. LOUIS, MO

LOCATION.-- Lat 38°37'44", long 90°10'47", Hydrologic Unit 07140101, on downstream side of west pier of Eads Bridge at St. Louis, 15.0 mi downstream from Missouri River, 19.2 mi upstream from Meramec River, and at mile 180.0 above the Ohio River.

DRAINAGE AREA.-- 697,000 mi², approximately.

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE

DISCHARGE: January 1861 to current year. Monthly discharge only for some periods, published in WSP 1311.

STAGE: March 1933 to current year in reports of the U.S. Geological Survey. Since January 1861 in reports of Mississippi River Commission. Since January 1890 in reports of the National Weather Service.

SURFACE-WATER QUALITY

SEDIMENT: April 1948 to current year.

WATER TEMPERATURE: October 1951 to current year.

REVISED RECORDS.-- WDR MO-76-1: Drainage area, WDR MO-98-1: Extreme outside period of record.

GAGE.-- Water-stage recorder, National Weather Service gage-height and U.S. Army Corps of Engineers satellite telemeters at station. Datum of gage is 379.94 ft above sea level. Prior to May 5, 1934, nonrecording gage 0.4 mi downstream; May 5, 1934, to Dec. 9, 1952, water-stage recorder at site 20 ft downstream at present datum.

REMARKS.-- Natural flow of stream affected by many reservoirs and navigation dams in upper Mississippi River Basin and by many reservoirs and diversions for irrigation in Missouri River Basin. Sediment discharge computed from turbidity readings.

EXTREMES FOR PERIOD OF RECORD.--
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 6,720 mg/L, Feb. 24, 1985; minimum daily mean, 19 mg/L, Jan. 21 and 22, 1967.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 9,830,000 tons, Feb. 24, 1985; minimum daily, 2,800 tons, Jan. 21, 1967.

EXTREMES OUTSIDE PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Flood of June 27, 1844, reached a stage of 41.32 ft, from floodmarks, discharge, 1,000,000 ft³/s, computed by U.S. Army Corps of Engineers. Flood in April 1785 may have reached a stage of 42.0 ft. Minimum flow, 18,000 ft³/s, Dec. 23, 1863.

EXTREMES FOR CURRENT YEAR.--
SEDIMENT CONCENTRATIONS: Maximum daily mean, 1,550 mg/L, May 8; minimum daily mean, 51 mg/L, Nov. 15.
SEDIMENT LOADS: Maximum daily, 766,000 tons, May 8; minimum daily, 13,600 tons, Jan. 24.

SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
		MEAN			MEAN			MEAN
	MEAN	CONCEN-	SEDIMENT	MEAN	CONCEN-	SEDIMENT	MEAN	CONCEN-	SEDIMENT
	DISCHARGE	TRATION	DISCHARGE	DISCHARGE	TRATION	DISCHARGE	DISCHARGE	TRATION	DISCHARGE
DAY	(CFS)	(mg/L)	(TONS/DAY)	(CFS)	(mg/L)	(TONS/DAY)	(CFS)	(mg/L)	(TONS/DAY)

	OCTOBER			NOVEMBER			DECEMBER

1	160000	160	69200	107000	68	19600	111000	72	21600
2	152000	220	90400	112000	66	20000	112000	67	20100
3	138000	169	63000	99800	60	16200	105000	68	19400
4	134000	132	47800	105000	60	17000	109000	68	20000
5	127000	137	46800	105000	59	16700	112000	76	23300

6	126000	144	49200	109000	61	17900	119000	82	26400
7	119000	128	41100	108000	64	18700	122000	89	29300
8	124000	124	41700	105000	63	17800	131000	81	28600
9	119000	117	37700	102000	76	20900	119000	84	27000
10	115000	129	40000	104000	71	19800	124000	80	26700

11	116000	140	43900	104000	74	20900	119000	84	26800
12	118000	105	33500	108000	64	18500	122000	77	25400
13	118000	104	33100	110000	61	18000	129000	119	41300
14	116000	98	30700	106000	67	19300	121000	98	31900
15	116000	102	32000	102000	51	14100	113000	103	31400

16	109000	101	29700	104000	66	18500	111000	93	28000
17	111000	89	26600	103000	62	17100	112000	101	30600
18	103000	86	23800	101000	69	18800	112000	88	26500
19	107000	85	24500	106000	90	25700	98200	73	19300
20	104000	88	24800	99200	81	21600	96800	90	23400

21	105000	98	27800	90700	70	17000	82400	85	18900
22	105000	87	24700	93000	70	17500	71100	71	13700
23	105000	83	23400	97400	83	21800	69000	79	14700
24	104000	82	23100	106000	75	21400	69000	88	16400
25	106000	82	23400	114000	70	21600	75400	78	15900

26	108000	82	24000	110000	67	19600	78800	90	19100
27	109000	80	23700	110000	68	20100	72200	83	16100
28	110000	86	25700	114000	71	21900	72800	87	17100
29	105000	84	23800	121000	72	23600	73400	77	15300
30	104000	75	21200	115000	80	24900	72000	75	14500

31	111000	71	21300	---	---	---	77100	67	14000


	JANUARY			FEBRUARY			MARCH

1	83400	76	17100	77300	97	20100	169000	210	95800
2	92400	75	18700	74400	89	18000	157000	190	80700
3	98500	73	19400	81200	105	23100	158000	161	68700
4	100000	74	20000	86200	125	28900	171000	174	80200
5	89800	94	22800	79800	93	20100	170000	158	72400

6	87800	74	17500	80700	103	22400	169000	171	78100
7	89400	69	16500	85500	76	17600	158000	156	66000
8	79700	70	15200	78000	74	15500	154000	180	74800
9	88900	61	14600	75900	99	20300	151000	156	63700
10	94400	64	16300	72400	85	16600	144000	151	58900

11	93700	59	15000	75400	83	16900	142000	151	58000
12	86400	66	15400	72600	79	15500	144000	166	64600
13	94100	69	17700	77800	82	17300	140000	146	55200
14	92600	71	17700	77600	78	16300	130000	141	49300
15	91300	70	17300	74600	85	17100	121000	139	45300

16	83200	73	16200	77800	118	24900	119000	134	43000
17	77400	78	16300	75900	118	24200	125000	133	45000
18	80600	83	18100	100000	539	147000	126000	133	45200
19	79100	95	20300	110000	730	219000	128000	127	43900
20	87000	89	21100	120000	509	165000	137000	135	50400

21	82700	87	19300	109000	311	91500	138000	154	57200
22	78200	70	14700	98400	412	109000	128000	130	45100
23	76700	68	14100	88500	294	70100	133000	130	46700
24	76000	66	13600	88900	230	55400	135000	115	41900
25	73900	78	15600	88400	177	42200	129000	97	33700

26	67900	86	15800	109000	110	32600	127000	90	30800
27	77500	91	19100	138000	111	41500	128000	94	32600
28	87400	90	21100	162000	179	78800	116000	92	28400
29	87300	82	19400	169000	183	83200	114000	105	32600
30	84700	89	20400	---	---	---	124000	143	48000

31	83000	82	18400	---	---	---	134000	106	38800


	APRIL			MAY			JUNE

1	136000	115	42200	160000	145	62800	172000	315	145000
2	129000	123	42700	145000	124	48600	174000	253	120000
3	123000	136	45100	144000	116	45100	194000	298	156000
4	120000	258	83600	138000	117	43800	193000	288	150000
5	109000	246	72400	129000	119	41400	198000	316	170000

6	116000	234	73400	121000	119	38900	211000	375	214000
7	114000	209	64200	137000	311	116000	213000	412	237000
8	117000	196	62000	183000	1550	766000	212000	414	237000
9	109000	167	49100	143000	272	104000	215000	416	241000
10	105000	155	43900	123000	155	51000	218000	403	237000

11	102000	149	41000	111000	124	37200	221000	382	228000
12	105000	148	41900	121000	122	40200	229000	393	243000
13	105000	117	33200	127000	133	45500	232000	421	264000
14	106000	117	33500	119000	133	42400	230000	385	239000
15	97800	100	26500	122000	126	41500	232000	379	237000

16	93500	82	20600	118000	119	37800	241000	308	200000
17	99300	117	31400	122000	138	45400	258000	391	274000
18	100000	101	27300	121000	96	31200	272000	384	282000
19	92500	87	21700	122000	111	36300	280000	411	311000
20	109000	170	50100	118000	112	35800	283000	402	307000

21	115000	128	40100	128000	126	43400	295000	439	349000
22	140000	127	48200	142000	133	50800	304000	409	336000
23	171000	139	64100	157000	168	71400	310000	374	313000
24	175000	166	78400	160000	152	65500	342000	683	632000
25	159000	193	82900	165000	188	83700	354000	506	484000

26	163000	231	102000	164000	213	94400	344000	434	403000
27	151000	199	81200	183000	324	160000	350000	422	399000
28	155000	193	80700	226000	674	413000	376000	662	672000
29	155000	176	73700	230000	556	344000	385000	443	461000
30	159000	161	69200	206000	606	337000	381000	651	668000

31	---	---	---	193000	450	233000	---	---	---


	JULY			AUGUST			SEPTEMBER

1	364000	598	588000	136000	96	35000	103000	165	45900
2	345000	513	478000	127000	94	32300	106000	168	48100
3	331000	457	407000	132000	87	31000	101000	152	41500
4	316000	360	307000	133000	114	40900	99400	168	44900
5	305000	340	280000	130000	109	38200	88800	144	34400

6	293000	332	263000	122000	100	33000	78600	139	29400
7	285000	338	260000	113000	72	22000	83800	142	32100
8	287000	380	295000	129000	104	36400	76800	143	29600
9	286000	329	254000	145000	133	52400	80000	145	31300
10	276000	298	221000	160000	99	42900	86400	140	32700

11	248000	344	229000	149000	92	37100	92700	137	34300
12	238000	378	243000	133000	84	30300	92700	135	33800
13	243000	357	234000	126000	90	30800	88200	134	31800
14	240000	324	210000	109000	101	29400	101000	138	37900
15	240000	266	172000	92500	112	28000	105000	133	37700

16	242000	273	178000	97600	105	27600	110000	165	48900
17	243000	273	179000	106000	108	31300	105000	132	37800
18	241000	239	156000	116000	111	34800	115000	137	42700
19	256000	376	261000	117000	104	32800	115000	127	39500
20	260000	346	243000	117000	121	38200	109000	124	36400

21	259000	235	164000	114000	100	30900	102000	116	31900
22	251000	208	141000	114000	136	41900	101000	113	30800
23	240000	203	131000	115000	145	45200	99400	113	30300
24	226000	221	135000	125000	168	57300	90400	114	27800
25	204000	264	145000	145000	292	114000	96200	129	33700

26	182000	159	78200	164000	331	147000	113000	140	42800
27	162000	128	55900	148000	385	154000	115000	109	33800
28	151000	247	101000	121000	252	81700	106000	98	27700
29	153000	154	63500	109000	219	64400	101000	90	24600
30	135000	132	48000	102000	199	54200	99000	102	27300

31	134000	114	41300	95200	152	39100	---	---	---