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 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.

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, 1,160 mg/L, May 13; minimum daily mean, 41 mg/L, Jan. 24.
SEDIMENT LOADS: Maximum daily, 1,210,000 tons, May 13; minimum daily, 6,550 tons, Jan. 16.

REMARKS FOR CURRENT YEAR.--Sediment records fair.

SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
		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	97700	141	37200	130000	109	38300	92400	65	16200
2	98000	122	32400	123000	91	30300	93900	63	16000
3	109000	125	36800	120000	79	25700	89900	65	15700
4	108000	120	34800	122000	80	26300	89500	69	16700
5	126000	99	33400	119000	81	26200	83400	67	15100

6	124000	78	26000	126000	84	28400	71400	51	9860
7	129000	80	27900	120000	89	28800	71800	57	11000
8	130000	84	29700	121000	88	28700	73400	48	9560
9	131000	90	31900	118000	80	25600	73400	43	8560
10	126000	79	26800	107000	96	27900	75500	49	10000

11	133000	78	28100	106000	85	24300	76000	46	9460
12	139000	75	28000	104000	77	21500	75700	66	13400
13	153000	89	36700	105000	81	22800	76000	64	13200
14	150000	108	43600	105000	71	20200	80800	61	13200
15	147000	107	42600	107000	71	20600	83500	64	14500

16	156000	114	47800	105000	70	19800	81300	61	13400
17	160000	120	51900	105000	77	21900	80400	60	13000
18	157000	113	47800	103000	78	21700	86100	79	18400
19	168000	125	56800	107000	81	23500	103000	175	48800
20	163000	131	57900	102000	81	22200	98300	126	33500

21	161000	125	54100	97700	86	22600	95000	119	30600
22	157000	122	51900	100000	82	22300	90800	71	17500
23	153000	128	52700	95800	78	20100	88300	68	16200
24	149000	125	50300	99900	76	20500	86900	58	13600
25	149000	124	49800	98100	84	22200	87100	60	14000

26	146000	121	47900	94600	73	18700	77800	59	12300
27	128000	109	37600	95200	71	18100	71500	59	11500
28	121000	108	35100	94700	81	20800	66600	63	11400
29	131000	106	37400	91800	83	20600	66000	57	10200
30	134000	100	36300	91800	72	17900	68000	58	10700

31	135000	99	36000	---	---	---	74300	62	12500

TOTAL	4268700	---	1247200	3214600	---	708500	2528000	---	480040


	JANUARY			FEBRUARY			MARCH

1	84100	60	13700	60800	49	8120	75800	100	20500
2	85300	64	14700	61900	51	8520	77600	83	17400
3	83000	68	15300	64600	59	10200	78700	99	21000
4	77900	70	14700	65200	71	12600	78600	116	24600
5	77100	71	14800	63600	55	9370	77300	145	30200

6	77700	63	13200	60700	45	7420	75900	144	29600
7	75700	69	14200	65900	50	8910	76500	130	26900
8	75100	66	13400	64200	50	8740	78300	116	24400
9	74700	63	12800	66600	52	9400	78500	100	21200
10	76100	53	10900	66100	50	8990	73400	92	18300

11	73600	48	9500	66100	55	9750	68500	89	16400
12	69700	47	8920	62100	59	9910	67600	99	18000
13	64700	52	9130	60800	50	8270	71800	105	20300
14	57500	56	8760	61500	52	8720	82600	148	33000
15	54000	51	7500	67000	155	28100	100000	146	39700

16	55800	43	6550	75800	341	69800	101000	185	50400
17	63700	43	7460	78200	312	66000	96300	155	40200
18	66600	55	9930	71600	177	34200	104000	166	46500
19	63200	44	7420	75200	180	36400	103000	162	45100
20	59600	47	7520	77700	194	40800	131000	321	114000

21	59500	53	8490	78000	133	27900	158000	374	159000
22	58500	53	8450	80800	114	24900	148000	257	102000
23	58300	51	8050	80100	101	21800	130000	230	81000
24	60800	41	6770	75900	100	20400	124000	190	63900
25	62800	52	8840	77800	89	18700	125000	151	51100

26	61900	51	8530	77000	75	15700	122000	144	47200
27	60900	58	9460	75900	90	18500	111000	126	37900
28	60200	51	8300	74800	89	18000	120000	131	42600
29	58800	58	9210	---	---	---	136000	127	46500
30	58400	53	8320	---	---	---	132000	125	44700

31	59100	57	9100	---	---	---	118000	101	32100

TOTAL	2074300	---	313910	1955900	---	570120	3120400	---	1365700


	APRIL			MAY			JUNE

1	119000	97	31200	224000	213	129000	255000	374	257000
2	112000	86	26100	227000	169	103000	242000	335	219000
3	111000	90	26900	232000	148	92900	230000	325	202000
4	108000	88	25700	241000	176	115000	214000	283	163000
5	112000	85	25700	270000	318	232000	202000	267	145000

6	117000	81	25400	307000	334	277000	191000	237	122000
7	124000	93	31000	311000	284	238000	190000	204	105000
8	121000	99	32300	321000	304	263000	187000	188	94700
9	126000	105	35900	329000	374	332000	169000	163	74100
10	126000	115	38900	338000	480	438000	161000	150	65500

11	123000	103	34200	376000	676	687000	176000	286	136000
12	121000	88	28700	396000	888	950000	189000	201	103000
13	120000	88	28300	386000	1160	1210000	236000	425	271000
14	114000	89	27400	361000	1130	1110000	254000	246	169000
15	108000	97	28400	329000	801	712000	243000	228	150000

16	106000	83	23900	306000	710	588000	225000	275	167000
17	e108000	72	20900	296000	525	419000	212000	472	270000
18	e111000	71	21400	293000	451	357000	209000	603	339000
19	e115000	69	21300	288000	330	257000	204000	476	262000
20	e119000	62	20000	283000	358	274000	195000	740	391000

21	e125000	65	22000	279000	329	248000	181000	679	331000
22	e130000	66	23100	280000	281	212000	171000	455	210000
23	137000	65	24100	281000	275	209000	157000	345	147000
24	149000	72	29100	284000	270	207000	152000	253	104000
25	173000	93	43200	297000	294	236000	138000	218	81300

26	191000	132	67900	300000	235	191000	168000	441	200000
27	213000	150	85900	294000	297	236000	192000	383	199000
28	211000	150	85500	290000	389	305000	190000	312	160000
29	212000	168	96000	285000	367	283000	166000	255	115000
30	221000	174	104000	280000	356	270000	158000	205	87500

31	---	---	---	272000	383	281000	---	---	---

TOTAL	4083000	---	1134400	9256000	---	11461900	5857000	---	5340100


	JULY			AUGUST			SEPTEMBER

1	159000	253	108000	134000	109	39400	88700	145	34800
2	159000	376	162000	129000	102	35400	126000	196	66900
3	169000	355	162000	123000	104	34500	102000	253	69600
4	177000	259	124000	115000	100	30800	118000	352	112000
5	176000	254	121000	111000	96	28900	121000	274	89200

6	174000	295	138000	114000	99	30700	101000	272	74000
7	173000	348	163000	107000	98	28500	86300	222	51800
8	172000	261	121000	107000	97	28000	78500	189	40000
9	178000	215	104000	102000	110	30400	72800	153	30000
10	210000	216	122000	97900	106	28000	67600	131	23900

11	230000	227	141000	93400	110	27600	66400	109	19500
12	236000	275	175000	89100	107	25700	67400	108	19600
13	232000	401	252000	85500	101	23400	68500	114	21200
14	231000	396	247000	84400	98	22400	73300	119	23500
15	229000	323	200000	83500	97	21800	89100	121	29200

16	221000	320	191000	81300	94	20600	107000	199	57500
17	219000	371	220000	78400	98	20800	103000	172	47900
18	221000	393	235000	74900	92	18600	91400	182	44900
19	236000	362	231000	74100	93	18600	79200	184	39400
20	228000	433	266000	72300	86	16900	79100	130	27700

21	212000	446	255000	69100	87	16300	86400	134	31300
22	194000	313	164000	68700	96	17900	88500	122	29300
23	189000	240	122000	70700	105	20000	93500	137	34600
24	189000	216	110000	75800	117	23900	89400	136	32900
25	181000	192	93800	75100	100	20300	94000	139	35300

26	175000	154	72900	71800	108	20900	87800	143	34000
27	168000	143	65000	68600	103	19100	84900	198	45500
28	158000	137	58500	68500	105	19400	82000	188	41700
29	154000	128	53500	71100	120	23000	74600	124	24900
30	150000	116	47000	68300	123	22700	73000	112	22000

31	142000	117	44800	64900	120	21000	---	---	---

TOTAL	5942000	---	4569500	2729400	---	755500	2640400	---	1254100

YEAR	47669700		29200970

e Estimated