07010000 DATA: SED_TBL

Station list Available data
LOWER MISSISSIPPI RIVER BASIN

07010000 MISSISSIPPI RIVER AT ST. LOUIS, MO


LOCATION.-- Lat 38°37'44", long 90°10'47" (NAD of 1927), 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. 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.

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 NGVD of 1929. 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.

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, 1,620 mg/L, March 9; minimum daily mean, 39 mg/L, Feb. 11.
SEDIMENT LOADS: Maximum daily, 1,760,000 tons, June 3; minimum daily, 8,300 tons, Feb. 11.

REMARKS FOR CURRENT YEAR.--Sediment records fair.

SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
		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	76400	148	30400	68100	118	21700	118000	124	39500
2	69100	141	26200	68700	107	19900	105000	116	32800
3	66900	136	24600	71100	103	19800	96700	115	29900
4	68000	133	24300	80900	103	22500	100000	117	31700
5	66900	167	30100	97000	106	27900	97400	131	34500

6	64600	134	23400	111000	113	34000	86200	103	23900
7	62300	118	19900	122000	135	44500	82400	95	21100
8	62200	117	19600	120000	127	41300	81000	91	20000
9	66600	122	21900	116000	99	31100	89000	90	21600
10	80400	122	26500	113000	108	32900	105000	84	23800

11	72900	129	25300	108000	108	31500	184000	181	90100
12	66900	108	19600	107000	98	28400	197000	255	135000
13	64300	105	18300	103000	108	30100	193000	376	196000
14	65300	130	22900	92400	114	28400	176000	481	228000
15	67700	118	21500	86500	99	23200	151000	507	207000

16	69300	110	20500	85200	98	22500	138000	407	152000
17	81300	107	23500	84000	94	21400	134000	339	123000
18	83300	109	24600	133000	247	88600	136000	272	99800
19	77200	118	24500	158000	377	161000	141000	208	79200
20	67700	103	18900	150000	277	112000	131000	189	66800

21	64500	139	24200	148000	250	99900	118000	177	56400
22	71100	114	22000	142000	249	95600	111000	146	43800
23	71000	107	20400	143000	211	81400	120000	139	45100
24	73600	109	21600	142000	229	87900	143000	154	59400
25	72900	111	21800	124000	187	62700	160000	231	99600

26	74800	104	21000	124000	179	59800	143000	322	124000
27	73400	116	23000	131000	154	54300	128000	249	86000
28	69500	109	20500	131000	164	58200	118000	234	74700
29	69400	105	19600	121000	155	50800	122000	213	70200
30	69200	107	20000	111000	131	39200	119000	127	40800

31	65800	117	20900	---	---	---	113000	110	33600

TOTAL	2174500	---	701500	3391900	---	1532500	3936700	---	2389300


	JANUARY			FEBRUARY			MARCH

1	121000	116	38100	88700	64	15300	129000	140	48700
2	131000	94	33100	90300	66	16100	131000	137	48300
3	124000	117	39000	85700	75	17400	133000	161	57700
4	132000	341	121000	79900	72	15600	149000	163	65400
5	164000	391	173000	79500	69	14700	213000	363	209000

6	156000	347	146000	82100	63	13900	306000	587	485000
7	133000	263	94500	84700	65	14900	379000	693	709000
8	114000	204	62700	83500	60	13600	407000	940	1030000
9	110000	145	42900	78800	57	12100	389000	1070	1120000
10	107000	123	35600	77800	56	11700	361000	855	833000

11	107000	107	30900	78400	55	11600	327000	752	664000
12	104000	95	26600	80400	57	12300	288000	811	631000
13	102000	88	24400	85500	55	12700	270000	553	403000
14	99900	108	29100	85200	79	18200	258000	565	394000
15	99300	135	36200	82900	60	13500	238000	435	279000

16	98800	104	27700	80700	59	12800	222000	379	227000
17	97400	90	23700	76800	53	11100	220000	350	208000
18	106000	109	31200	75000	54	10900	212000	287	164000
19	111000	151	45300	76300	55	11400	207000	239	133000
20	111000	181	54300	78900	58	12400	211000	218	124000

21	111000	247	74100	93900	70	17800	209000	232	131000
22	119000	212	68100	103000	68	18800	204000	182	100000
23	111000	179	53700	115000	71	22000	187000	172	86900
24	105000	121	34400	129000	89	30900	183000	152	75300
25	103000	112	31300	125000	89	30100	176000	162	77200

26	106000	87	25000	145000	127	49600	181000	166	81300
27	101000	90	24400	156000	166	69800	230000	312	194000
28	92700	84	21100	139000	156	58500	281000	477	362000
29	84800	82	18800	131000	137	48400	290000	491	385000
30	89400	77	18700	---	---	---	281000	363	276000

31	88500	72	17200	---	---	---	290000	339	266000

TOTAL	3439800	---	1502100	2768000	---	618100	7562000	---	9867800


	APRIL			MAY			JUNE

1	301000	461	375000	213000	142	81600	396000	1000	1070000
2	305000	529	435000	225000	180	109000	394000	1340	1430000
3	302000	479	391000	226000	159	97100	428000	2120	2450000
4	291000	432	340000	225000	140	84900	451000	1600	1940000
5	284000	402	308000	218000	158	93000	443000	956	1140000

6	277000	339	254000	208000	149	83600	430000	840	975000
7	272000	361	265000	191000	140	72000	415000	657	737000
8	272000	294	216000	180000	157	76200	401000	545	590000
9	266000	242	174000	168000	118	53400	390000	473	498000
10	258000	230	160000	156000	107	45100	385000	422	438000

11	250000	240	162000	146000	107	42200	379000	379	388000
12	235000	227	144000	136000	96	35400	368000	392	390000
13	221000	238	142000	146000	109	42800	369000	421	419000
14	207000	223	125000	172000	325	151000	372000	441	443000
15	191000	194	100000	180000	223	109000	364000	368	362000

16	161000	143	62300	175000	148	69900	370000	391	391000
17	157000	134	56600	172000	118	54900	397000	460	493000
18	150000	114	46100	173000	109	51100	421000	688	782000
19	149000	114	45700	183000	157	77500	426000	716	823000
20	141000	99	37600	222000	260	156000	419000	738	835000

21	147000	95	37500	246000	291	193000	414000	638	713000
22	147000	88	35100	267000	329	237000	405000	486	531000
23	151000	87	35300	287000	417	323000	400000	327	354000
24	152000	93	38300	271000	561	410000	397000	490	525000
25	164000	104	46200	264000	410	292000	399000	398	429000

26	172000	131	60900	301000	395	321000	394000	369	393000
27	180000	159	77000	369000	653	650000	387000	411	429000
28	181000	134	65700	449000	913	1110000	379000	378	387000
29	206000	185	103000	460000	926	1150000	368000	347	345000
30	211000	153	87300	440000	879	1040000	356000	330	317000

31	---	---	---	416000	1000	1120000	---	---	---

TOTAL	6401000	---	4425600	7485000	---	8431700	11917000	---	21017000


	JULY			AUGUST			SEPTEMBER

1	343000	299	277000	177000	244	117000	283000	1050	800000
2	331000	288	257000	158000	218	93000	233000	967	609000
3	317000	296	253000	144000	164	63800	215000	455	264000
4	299000	275	222000	147000	157	62300	194000	383	201000
5	281000	281	213000	159000	146	62700	165000	629	280000

6	265000	390	279000	174000	137	64200	145000	489	192000
7	245000	320	212000	192000	217	113000	134000	243	88000
8	246000	270	179000	176000	288	137000	123000	196	64900
9	251000	363	246000	159000	292	125000	115000	150	46400
10	249000	311	209000	156000	339	143000	117000	119	37500

11	245000	270	179000	142000	295	113000	115000	103	32100
12	243000	268	176000	133000	225	80600	108000	94	27500
13	242000	249	163000	130000	181	63700	105000	129	36400
14	248000	237	159000	118000	180	57500	100000	116	31400
15	263000	299	212000	110000	154	45900	101000	105	28700

16	270000	346	252000	99900	145	39200	107000	98	28200
17	259000	376	263000	104000	137	38300	118000	107	34200
18	241000	436	283000	104000	122	34300	122000	105	34700
19	228000	433	267000	97800	98	26000	125000	93	31400
20	229000	425	263000	98200	93	24700	124000	101	33900

21	227000	512	314000	110000	97	28700	117000	91	28800
22	218000	423	249000	110000	102	30300	118000	90	28600
23	206000	414	230000	106000	98	28000	137000	123	45400
24	199000	332	178000	92200	106	26500	150000	193	78100
25	195000	279	147000	94400	95	24200	154000	174	72500

26	186000	245	123000	148000	153	61100	151000	173	70400
27	181000	226	110000	190000	202	104000	144000	153	59700
28	178000	211	101000	261000	277	195000	142000	174	66800
29	181000	277	135000	314000	596	506000	134000	177	64000
30	180000	358	174000	300000	773	626000	129000	179	62300

31	175000	350	166000	301000	946	769000	---	---	---

TOTAL	7421000	---	6491000	4805500	---	3903000	4225000	---	3477900

YEAR	65527400		64357500