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, 691 mg/L, May 10; minimum daily mean, 11 mg/L, Jan. 15.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 420,000 tons, May 11; minimum daily, 973 tons, Jan. 15.

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

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	63100	68	11600	77300	79	17800	47900	61	7830
2	65200	68	11800	73200	70	14100	47700	68	8720
3	67000	69	12400	80400	66	13700	47900	77	9930
4	68500	77	14000	76600	71	15100	48400	72	9370
5	73600	85	16200	81900	73	15600	48000	76	9860

6	73100	75	14900	76700	72	15300	49400	76	10000
7	80100	46	9540	79700	72	15100	47900	73	9540
8	82300	57	12500	78900	75	16100	47100	76	9740
9	83000	78	17400	71600	82	16700	45500	74	9210
10	81800	74	16400	61700	87	15600	45200	63	7740

11	87900	74	16900	61300	88	14600	43900	61	7320
12	91000	83	20000	63300	88	14800	45000	66	7960
13	95200	94	23600	65700	80	14000	48700	67	8480
14	92400	92	23200	63300	68	11800	51800	72	9770
15	94000	99	24800	66600	64	11200	52900	79	11100

16	109000	108	29600	65300	71	12700	51900	86	12200
17	94500	115	31700	67500	74	13300	63200	81	12600
18	100000	130	34200	67200	69	12600	73500	81	14900
19	105000	134	37300	62700	70	12300	69000	92	17700
20	100000	130	35800	56300	73	11700	51400	88	14300

21	102000	129	35200	56800	73	11100	54200	85	12100
22	105000	120	33600	52700	68	9990	54500	81	11900
23	101000	102	28300	61600	65	9980	57800	85	12900
24	98000	96	25800	59100	65	10500	65400	84	13900
25	101000	94	25400	52900	61	9210	63700	78	13500

26	89200	89	22900	54400	62	8960	57900	94	15400
27	76900	90	20200	56300	70	10500	53800	115	17300
28	79800	85	18100	48000	73	10300	45000	135	18100
29	88200	75	17100	47500	70	9000	44000	144	17300
30	87700	74	17600	47000	67	8560	47700	120	14900

31	89300	80	19000	---	---	---	59000	106	15300

TOTAL	2724800	---	677040	1933500	---	382200	1629300	---	370870


	JANUARY			FEBRUARY			MARCH

1	66400	107	18100	39800	19	1840	37700	109	11100
2	62800	108	18900	40900	---	3090	39200	113	11700
3	52800	120	18700	39800	---	3900	40700	112	12100
4	50400	130	18100	39800	---	3710	39800	108	11700
5	54400	136	19200	39200	---	3400	38500	107	11300

6	55900	131	19500	38500	---	3190	38000	104	10800
7	49900	124	17700	37500	---	2960	42500	100	10800
8	53600	97	13500	36700	29	2940	35100	98	10200
9	51000	63	8960	36800	32	3180	35900	100	9610
10	48500	54	7250	35400	34	3360	36000	101	9820

11	52200	39	5340	35700	42	4030	40100	97	10000
12	53300	22	3160	39300	54	5490	42000	113	12500
13	47100	20	2760	44300	49	5520	45400	138	16300
14	35100	16	1730	48300	41	5100	55200	131	17800
15	31300	11	973	50000	89	11800	51800	120	17400

16	43500	14	1440	50800	129	17500	52300	132	18600
17	51300	15	1960	39300	95	11600	57800	129	19200
18	42200	19	2410	37300	77	8010	55500	109	16700
19	42500	19	2200	41200	71	7550	59900	178	27800
20	37300	30	3190	45600	48	5640	93500	273	56500

21	36500	45	4460	47400	39	4910	99800	268	69900
22	35200	43	4110	40200	35	4160	88900	249	63400
23	35600	40	3840	36800	70	7220	84000	230	53600
24	38700	---	4350	33300	100	9440	73100	197	41800
25	37100	---	4800	34200	105	9580	72000	184	36100

26	35300	---	4340	32600	121	10900	66200	179	33300
27	34500	---	3790	37800	119	11300	71400	181	33600
28	34300	28	2610	37500	110	11200	67500	182	34100
29	32800	25	2300	---	---	---	66000	164	29500
30	34600	28	2570	---	---	---	61100	129	22100

31	33200	20	1820	---	---	---	66500	156	26900

TOTAL	1369300	---	224063	1116000	---	182520	1753400	---	766230


	APRIL			MAY			JUNE

1	68900	229	41900	143000	187	72200	187000	265	140000
2	70600	247	46500	155000	173	69300	169000	288	139000
3	67500	213	39700	177000	181	81100	164000	310	139000
4	60000	190	32700	195000	230	116000	151000	296	126000
5	71900	184	32800	215000	275	152000	141000	248	97700

6	82500	173	36000	222000	309	183000	132000	205	75400
7	77800	154	33300	222000	334	200000	139000	195	71200
8	77900	129	27000	220000	336	200000	128000	195	70200
9	75000	120	24800	218000	466	276000	110000	196	63000
10	70600	126	24700	222000	691	411000	109000	197	58200

11	67200	124	23000	241000	672	420000	117000	208	63600
12	68300	130	23800	248000	526	347000	115000	243	76200
13	70700	158	29700	239000	502	330000	128000	260	85300
14	63100	157	28300	225000	511	320000	149000	267	99800
15	62800	137	23300	218000	431	257000	138000	258	100000

16	59300	127	20900	218000	340	200000	124000	220	78000
17	74600	121	22000	218000	344	203000	115000	215	69300
18	78300	110	22600	219000	385	227000	116000	217	67400
19	84300	82	18000	220000	400	237000	120000	210	66800
20	81900	69	15400	221000	382	227000	116000	207	66000

21	79200	68	14800	220000	345	205000	110000	197	60100
22	88800	72	16300	220000	314	187000	106000	183	53500
23	97800	91	22900	222000	308	184000	103000	161	45400
24	107000	118	32600	225000	294	177000	100000	169	46500
25	110000	144	42300	228000	286	175000	84300	234	58200

26	120000	169	52300	229000	303	187000	106000	282	72700
27	123000	181	59300	230000	317	197000	102000	307	86000
28	123000	189	62600	230000	314	195000	97300	277	74400
29	134000	188	65100	227000	298	184000	92400	227	58200
30	143000	186	69300	221000	279	169000	91200	228	56600

31	---	---	---	205000	264	152000	---	---	---

TOTAL	2559000	---	1003900	6713000	---	6540600	3660200	---	2363700


	JULY			AUGUST			SEPTEMBER

1	97400	235	59800	92500	114	28800	55900	154	17500
2	97200	198	51900	84400	111	26400	41300	159	20900
3	105000	150	41000	68700	116	24000	20600	137	11400
4	105000	143	40700	63400	119	21300	31000	116	8120
5	105000	149	42300	59000	127	21000	25100	108	8190

6	107000	142	40700	61500	127	20600	29200	103	7530
7	106000	154	44100	53300	118	18400	30800	95	7720
8	112000	193	56400	56500	98	14500	28400	86	6860
9	116000	257	79000	51300	89	13000	23800	85	6010
10	163000	368	139000	46000	94	12300	26100	84	5690

11	190000	468	223000	42900	98	11800	24900	83	5740
12	192000	521	269000	38300	89	9790	23000	85	5480
13	189000	500	257000	37100	71	7220	23600	81	5080
14	185000	404	204000	40800	70	7330	27700	74	5120
15	177000	316	155000	37200	86	9080	39400	71	6450

16	168000	284	132000	30400	94	8580	42600	68	7520
17	156000	271	118000	30800	72	5970	35400	64	6780
18	148000	277	114000	34300	58	5120	23400	63	5010
19	171000	309	133000	34500	75	6930	26100	80	5360
20	161000	336	150000	35800	90	8580	32800	81	6480

21	135000	294	117000	34800	87	8270	33800	65	5810
22	119000	241	82700	31400	82	7360	34400	65	5940
23	131000	240	81200	27900	82	6570	26400	67	5530
24	134000	268	95800	26900	74	5480	33300	73	5900
25	127000	268	94500	40100	58	5290	33700	72	6510

26	122000	221	74200	37100	56	5830	25300	68	5450
27	115000	178	56700	35200	55	5360	30700	78	5910
28	105000	175	51900	33500	60	5580	27200	79	6210
29	108000	198	57100	27100	92	7540	29600	71	5450
30	103000	181	51500	22600	122	8210	32600	70	5850

31	94000	144	38100	28300	139	9540	---	---	---

TOTAL	4143600	---	3150600	1343600	---	355730	918100	---	217500

YEAR	29863800		16234953