07010000 DATA: Sediment Tables, 2001

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 transport curve.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,080,000 ft³/s, August 1, 1993, gage height, 49.58 ft; minimum discharge, 27,800 ft³/s, December 12, 1937.
SEDIMENT CONCENTRATIONS: Maximum daily mean, 6,720 mg/L, Feb. 24, 1985; minimum daily mean, 19 mg/L, Jan. 21 and 22, 1967.
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, 1,260 mg/L, June 7; minimum daily mean, 76 mg/L, Jan. 1-4.
SEDIMENT LOADS: Maximum daily, 1,930,000 tons, June 8; minimum daily, 13,800 tons, Jan. 14.

SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001
		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	103000	117	32500	91500	104	25800	102000	99	27200
2	99500	120	32300	82300	95	21100	106000	99	28600
3	90700	118	29000	81300	93	20500	102000	100	27300
4	88700	122	29300	84400	91	20800	106000	100	28600
5	116000	157	49300	88100	92	22000	105000	100	28200

6	118000	150	47900	97500	111	29400	95400	99	25500
7	111000	134	40000	116000	128	40000	85800	98	22700
8	112000	137	41300	107000	110	31900	75000	97	19600
9	98200	118	31200	114000	123	38000	70700	94	18000
10	88000	105	25100	122000	141	46700	67900	92	16800

11	84900	100	23000	136000	178	65200	69500	89	16700
12	87400	98	23100	143000	188	72700	73600	87	17400
13	87200	97	22800	153000	198	82100	61500	86	14300
14	89000	96	23000	142000	178	68500	60700	84	13800
15	90000	105	25700	130000	157	55100	61800	83	13900

16	104000	122	34100	131000	148	52300	63900	84	14500
17	109000	136	40400	132000	140	49900	72400	88	17100
18	107000	137	39400	128000	139	48000	73700	91	18100
19	99300	122	32800	131000	140	49400	73000	90	17700
20	89700	104	25200	136000	139	50800	69900	88	16500

21	82400	98	21800	123000	131	43600	68700	85	15800
22	78600	96	20300	123000	123	40800	72100	86	16700
23	82400	98	21800	114000	115	35300	77000	89	18400
24	94400	108	27700	106000	107	30600	79900	91	19700
25	93400	110	27800	101000	103	28000	76000	89	18300

26	89200	106	25500	105000	102	28900	72800	86	17000
27	86200	102	23800	107000	101	29200	72000	83	16200
28	89300	101	24300	102000	100	27700	68800	81	15100
29	90400	101	24600	105000	100	28200	72900	80	15700
30	95900	105	27200	103000	99	27500	72400	79	15400

31	99000	109	29200	---	---	---	70300	77	14700


	JANUARY			FEBRUARY			MARCH

1	70700	76	14500	222000	416	249000	448000	857	1040000
2	72500	76	14900	205000	393	218000	423000	819	937000
3	70700	76	14500	182000	353	173000	380000	734	754000
4	71100	76	14600	181000	308	151000	332000	638	574000
5	74700	77	15500	166000	263	118000	296000	553	442000

6	73900	78	15500	156000	219	92300	283000	512	391000
7	73000	79	15500	151000	174	71000	274000	488	361000
8	74600	80	16000	143000	151	58000	262000	465	329000
9	73800	80	16000	154000	182	77000	249000	441	296000
10	72100	80	15500	227000	375	233000	234000	417	264000

11	73700	79	15700	288000	591	463000	223000	405	244000
12	71600	78	15000	334000	740	667000	215000	402	234000
13	70300	79	15000	322000	787	685000	208000	400	224000
14	79300	86	18500	297000	752	604000	197000	400	212000
15	82100	96	21200	274000	716	530000	214000	419	242000

16	96700	109	28400	256000	677	469000	257000	499	348000
17	90400	109	26500	244000	637	420000	327000	639	566000
18	91100	109	26800	230000	597	371000	396000	762	817000
19	96900	116	30300	217000	557	327000	422000	845	962000
20	98500	123	32600	209000	517	292000	415000	832	932000

21	101000	129	35300	201000	477	259000	397000	794	852000
22	106000	132	37900	191000	437	226000	377000	756	769000
23	100000	128	34600	180000	403	196000	356000	721	694000
24	101000	123	33600	196000	421	224000	343000	705	653000
25	95300	118	30400	300000	591	485000	338000	699	639000

26	89400	113	27300	385000	729	760000	336000	696	632000
27	89200	108	26100	430000	822	956000	337000	684	622000
28	83000	103	23200	456000	884	1090000	329000	655	582000
29	85000	110	25400	---	---	---	316000	616	525000
30	154000	254	110000	---	---	---	296000	575	460000

31	211000	375	214000	---	---	---	281000	543	411000


	APRIL			MAY			JUNE

1	267000	511	369000	422000	328	374000	344000	455	423000
2	257000	480	333000	424000	300	343000	358000	591	572000
3	250000	459	310000	423000	302	345000	395000	728	778000
4	252000	471	321000	421000	312	354000	431000	865	1010000
5	280000	491	372000	417000	322	362000	477000	1000	1290000

6	305000	549	452000	415000	332	371000	517000	1140	1590000
7	310000	556	466000	420000	342	388000	546000	1260	1860000
8	301000	549	446000	430000	365	424000	583000	1230	1930000
9	295000	542	432000	450000	447	544000	608000	1150	1890000
10	295000	546	435000	472000	523	667000	609000	1080	1770000

11	310000	619	519000	470000	512	650000	605000	1000	1640000
12	345000	700	652000	462000	483	603000	580000	925	1450000
13	372000	715	719000	459000	456	566000	541000	834	1220000
14	373000	706	711000	470000	447	567000	505000	591	807000
15	371000	697	698000	480000	458	594000	473000	464	594000

16	377000	688	701000	482000	472	615000	446000	444	535000
17	383000	678	701000	487000	487	641000	433000	477	558000
18	386000	659	686000	495000	501	670000	446000	542	653000
19	388000	637	668000	504000	516	703000	458000	531	656000
20	390000	615	648000	510000	530	730000	447000	506	611000

21	392000	593	628000	516000	544	758000	423000	488	557000
22	397000	571	612000	506000	535	730000	412000	600	667000
23	399000	549	592000	493000	517	688000	440000	746	888000
24	403000	528	575000	478000	500	646000	463000	824	1030000
25	411000	506	561000	459000	483	598000	467000	823	1040000

26	415000	483	541000	440000	465	553000	456000	770	950000
27	415000	453	508000	413000	448	499000	443000	639	765000
28	413000	422	471000	387000	431	450000	419000	524	594000
29	413000	391	436000	363000	415	406000	395000	471	503000
30	416000	360	404000	345000	407	380000	378000	419	428000

31	---	---	---	341000	401	370000	---	---	---


	JULY			AUGUST			SEPTEMBER

1	364000	368	361000	184000	288	144000	132000	180	63900
2	350000	316	298000	201000	340	185000	117000	166	52200
3	339000	287	263000	190000	294	151000	101000	153	41600
4	334000	280	252000	171000	248	115000	99100	144	38500
5	329000	274	244000	166000	224	100000	102000	137	37800

6	333000	284	255000	168000	210	95200	98400	133	35200
7	339000	299	274000	162000	199	86800	96400	128	33400
8	330000	304	271000	164000	195	86400	96100	124	32200
9	311000	291	244000	156000	192	80900	107000	120	34800
10	292000	277	218000	159000	188	80700	97200	116	30500

11	270000	263	192000	151000	183	74300	99300	120	32100
12	256000	250	173000	141000	178	67600	109000	132	38700
13	242000	241	157000	131000	172	60800	118000	155	49500
14	225000	234	142000	119000	163	52600	117000	161	51100
15	222000	228	137000	93600	147	37300	118000	154	48900

16	215000	222	129000	89200	143	34300	118000	146	46400
17	201000	215	117000	86100	144	33400	113000	137	41800
18	189000	208	106000	97700	153	40400	98600	127	33900
19	187000	201	102000	98400	146	38900	102000	122	33500
20	181000	194	94700	98100	144	38000	98200	121	32000

21	182000	187	91700	95300	142	36500	137000	159	60200
22	181000	180	87800	98800	154	41200	181000	268	131000
23	171000	173	79700	98700	155	41400	181000	275	134000
24	178000	166	79700	139000	207	78200	166000	246	110000
25	181000	160	78300	144000	216	84000	153000	221	91400

26	175000	157	74500	126000	178	60400	141000	197	75300
27	174000	166	78000	114000	158	48900	134000	183	66000
28	189000	265	136000	115000	151	46800	139000	187	69900
29	204000	312	172000	120000	164	53200	141000	188	71600
30	191000	282	146000	131000	191	67300	134000	174	63000

31	180000	256	124000	136000	194	71100	---	---	---