05587455 DATA: SED_TBL

Station list Available data
UPPER MISSISSIPPI RIVER BASIN

05587455 MISSISSIPPI RIVER BELOW GRAFTON, IL

	(Ambient Water-Quality Monitoring Network Station)

LOCATION.-- Lat 38°57'04", long 90°22'16" (NAD of 1927), in sec.24, T.6 N., R.11 W., Jersey County, Hydrologic Unit 07110009, 11.3 mi above Lock and Dam 26, 19.0 mi above mouth of Missouri River, and at mile 214.6 upstream from the mouth of the Ohio River.

DRAINAGE AREA.-- 171,300 mi², approximately.

PERIOD OF RECORD.--
SURFACE-WATER QUALITY
	CHEMICAL: March 1989 to current year.
	SEDIMENT: October 1989 to current year.

REMARKS.-- Ambient Water-Quality Monitoring Network station Nov. 1992 to current year. National Stream-Quality Accounting Network station September 1989 to October 1992. Discharge for sediment records obtained from Mississippi River at Grafton (05587450).

EXTREMES FOR PERIOD OF RECORD.--
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 1,910 mg/L, May 23, 1990; minimum daily mean, 1 mg/L, Sept. 10, 1991.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 1,090,000 tons, May 23, 1990; minimum daily, 186 tons, Sept. 10, 1991.

EXTREMES FOR CURRENT YEAR.--
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 740 mg/L, Nov. 3; minimum daily mean, 509 mg/L, Sept. 28.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 433,000 tons, Jan. 14; minimum daily, 4,550 tons, Sept. 21.

REMARKS FOR CURRENT YEAR.--Sediment records fair except those for estimated daily loads, which are poor.

SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005
		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	68900	92	17100	99600	394	118000	123000	353	117000
2	71200	115	22100	167000	677	306000	123000	273	90500
3	69200	130	24300	163000	740	325000	121000	281	91900
4	70900	159	30600	127000	724	250000	118000	315	100000
5	74500	189	38000	126000	520	177000	112000	298	90200

6	72800	183	35900	129000	384	134000	118000	245	78300
7	71500	139	26900	126000	308	105000	147000	310	124000
8	70300	123	23400	127000	270	92500	185000	390	194000
9	72700	102	20000	125000	286	96500	167000	510	229000
10	69700	121	22700	122000	351	115000	154000	498	208000

11	70500	114	21600	122000	326	107000	141000	423	162000
12	74600	94	18900	120000	252	81900	131000	403	142000
13	73800	98	19600	110000	224	66600	129000	368	128000
14	69100	98	18300	104000	234	65500	135000	317	115000
15	70600	102	19500	104000	178	49700	133000	263	94500

16	61400	119	19700	99100	139	37100	133000	212	75900
17	61200	124	20500	96300	111	28900	127000	189	64800
18	75200	127	25800	95300	107	27600	118000	185	59300
19	78800	131	27800	92800	129	32400	119000	304	97700
20	69700	138	25900	93400	108	27100	116000	315	98800

21	72500	118	23000	93200	96	24300	107000	272	78500
22	71500	117	22500	93800	100	25500	97400	263	69000
23	68600	121	22300	94500	92	23600	82700	228	50800
24	76900	122	25500	98100	112	29900	89000	197	47500
25	88300	117	28000	108000	182	53300	101000	172	47100

26	88100	153	36500	110000	186	55200	102000	146	40400
27	89600	146	35300	113000	214	65800	114000	121	37400
28	97100	168	44000	142000	438	168000	114000	107	32700
29	95800	166	42900	130000	475	167000	101000	103	28000
30	89700	155	37500	116000	434	136000	90900	85	21000

31	85300	157	35900	---	---	---	88000	106	25300

TOTAL	2340000	---	832000	3447100	---	2991400	3737000	---	2838600


	JANUARY			FEBRUARY			MARCH

1	88800	160	38400	126000	167	57200	122000	117	38400
2	88700	150	35900	123000	202	67100	123000	99	32800
3	105000	159	46100	118000	134	42700	118000	91	28800
4	150000	387	159000	116000	135	42100	111000	90	27100
5	206000	574	323000	115000	174	54200	104000	95	26800

6	222000	645	387000	114000	180	55600	101000	98	26600
7	185000	557	278000	122000	159	52300	96300	99	25600
8	127000	497	172000	135000	142	51500	99100	93	25000
9	133000	300	107000	136000	206	75700	100000	131	35500
10	133000	214	77100	144000	203	79200	101000	128	34700

11	137000	267	99200	146000	152	59800	102000	115	31500
12	149000	321	129000	140000	163	61700	103000	112	31200
13	205000	501	285000	152000	167	69400	102000	113	31200
14	238000	676	433000	200000	430	235000	102000	115	31700
15	198000	669	357000	214000	541	313000	102000	116	32000

16	162000	679	298000	210000	661	375000	101000	118	32100
17	163000	643	283000	199000	514	276000	91900	120	29800
18	159000	671	288000	200000	290	156000	90300	122	29700
19	157000	658	279000	199000	268	144000	85300	124	28500
20	163000	589	258000	193000	263	137000	86600	125	29200

21	164000	559	247000	185000	217	108000	85300	113	26100
22	158000	529	225000	180000	184	89200	84200	101	23100
23	149000	339	137000	187000	182	91800	87900	101	24000
24	148000	282	113000	168000	161	72800	82500	98	21900
25	149000	278	112000	147000	162	64200	81100	93	20300

26	146000	276	109000	139000	140	52300	81100	105	23100
27	144000	250	97000	138000	129	47800	81200	107	23400
28	137000	194	71700	128000	118	41100	80600	119	25900
29	136000	296	109000	---	---	---	87500	112	26500
30	132000	194	69100	---	---	---	90300	168	40600

31	131000	244	86200	---	---	---	93900	195	49500

TOTAL	4763500	---	5708700	4374000	---	2971700	2977100	---	912600


	APRIL			MAY			JUNE

1	97000	182	47600	176000	259	123000	131000	169	59700
2	104000	180	50400	163000	258	114000	125000	177	59500
3	116000	197	61500	150000	237	96000	124000	164	54800
4	132000	235	83700	148000	208	83100	121000	155	50700
5	136000	244	89800	142000	180	69100	116000	152	47500

6	137000	214	79200	127000	165	56600	118000	158	50300
7	136000	218	80100	113000	174	53100	122000	175	57600
8	142000	208	79600	105000	151	43000	123000	160	53300
9	149000	204	82100	105000	126	35700	117000	133	42200
10	152000	199	82000	104000	124	34800	126000	154	52400

11	162000	201	88100	107000	165	47700	135000	179	65200
12	178000	234	113000	106000	176	50400	128000	186	64400
13	200000	370	200000	109000	171	50500	122000	195	64400
14	212000	486	278000	119000	185	59800	124000	206	68800
15	219000	543	321000	123000	208	69200	123000	200	66300

16	222000	542	325000	121000	209	68100	124000	184	61400
17	219000	518	306000	128000	193	66700	126000	168	57100
18	214000	368	212000	132000	168	59700	127000	183	62600
19	207000	335	187000	130000	208	72700	129000	178	62100
20	197000	294	157000	128000	202	70000	124000	131	43900

21	196000	246	130000	133000	190	68300	122000	126	41400
22	188000	252	128000	139000	187	69900	119000	139	44600
23	182000	263	130000	142000	254	97100	118000	132	42200
24	188000	266	135000	142000	285	109000	115000	123	38500
25	186000	326	164000	140000	244	92500	113000	126	38300

26	184000	293	146000	140000	219	83000	111000	114	34200
27	187000	310	157000	137000	209	77600	107000	113	32800
28	187000	318	160000	135000	200	72600	103000	89	24800
29	185000	285	142000	134000	191	69200	107000	92	26700
30	180000	262	128000	134000	197	71400	109000	104	30800

31	---	---	---	135000	195	70800	---	---	---

TOTAL	5194000	---	4343100	4047000	---	2204600	3609000	---	1498500


	JULY			AUGUST			SEPTEMBER

1	108000	111	32200	43500	78	9140	38000	80	8310
2	107000	115	33000	42100	78	8930	38100	77	7920
3	108000	119	34700	42400	73	8310	32700	69	6100
4	107000	116	33300	39800	95	10500	30700	71	5910
5	105000	106	30100	34300	102	9370	35800	71	6810

6	105000	93	26300	34800	99	9370	34300	68	6320
7	103000	91	25200	39000	90	9430	34100	67	6140
8	99900	93	25200	28700	83	6400	33600	65	5860
9	93500	94	23700	42700	95	11100	33300	75	6760
10	89400	88	21200	44100	105	12400	34800	68	6420

11	79800	87	18900	42300	96	11000	40100	65	7090
12	79200	89	19100	39800	85	9150	39200	62	6540
13	73000	89	17500	34700	77	7200	39400	65	7020
14	71900	84	16400	34500	75	7060	36000	70	6800
15	68200	79	14600	43700	81	9630	27400	66	5020

16	63500	70	12000	45500	83	10200	34300	62	5770
17	64100	66	11500	40500	81	8820	35400	57	5470
18	61500	72	12000	37000	78	7810	39800	66	7170
19	54200	68	10100	39700	71	7530	43900	72	8570
20	54500	63	9350	35700	71	6830	40500	65	7110

21	56300	72	11000	39900	83	9000	29700	56	4550
22	57000	65	9970	43000	107	12500	42600	65	7610
23	52300	70	9870	50100	98	13200	51400	63	8770
24	54500	77	11300	47200	103	13000	52200	57	8020
25	62500	84	14200	41000	103	11400	52700	73	10400

26	57600	104	16100	34200	85	7800	48800	66	8700
27	51800	92	12800	28500	86	6720	43800	62	7360
28	55100	86	12900	31400	72	6170	45200	50	6130
29	52200	78	10900	38400	71	7310	54300	55	8050
30	47200	79	10100	32000	82	7060	58900	57	8780

31	44300	78	9250	31600	75	6410	---	---	---

TOTAL	2286500	---	554740	1202100	---	280750	1201000	---	211480

YEAR	39178300		25348170