05587455 DATA: Sediment Tables, 2001

Station list Available data
UPPER MISSISSIPPI RIVER BASIN

05587455 MISSISSIPPI RIVER BELOW GRAFTON, IL

(National Stream-Quality Accounting Network Station)

LOCATION.-- Lat 38°57'04", long 90°22'16", 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.-- Established ambient water-quality monitoring network station Nov. 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, 640 mg/L, Feb. 27; minimum daily mean, 49 mg/L, Oct. 21.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 197,000 tons, June 16; minimum daily, 4,590 tons, Jan. 25.

REMARKS.--Sediment records fair except for estimated daily loads, which are poor.

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	51700	69	9630	50900	62	8170	59900	78	13200
2	44500	78	12900	44200	65	6620	55500	97	14200
3	45000	79	12500	43400	68	8160	60000	96	15200
4	53500	79	12400	50900	65	7920	59500	88	12900
5	71000	98	15500	56800	55	7050	50500	98	15500

6	61300	125	19500	75400	54	6770	46300	97	15200
7	57200	120	17700	56600	69	8510	38400	83	16500
8	54900	98	15000	60300	78	8500	34500	92	17200
9	50100	84	11200	61300	72	7940	37600	78	12400
10	36600	78	10900	71100	79	9080	41600	85	13600

11	40000	62	9710	94800	96	10700	42000	99	17700
12	45500	68	10100	93000	108	15100	33900	101	17900
13	56100	81	12200	93200	119	13500	37700	110	17200
14	43100	75	11300	83800	107	12400	37600	---	e16200
15	61600	75	10700	89700	118	13800	29300	---	e14600

16	63100	81	10400	84300	119	15600	34500	---	e17100
17	59800	70	8390	84500	107	13100	46000	---	e17100
18	50800	69	9070	90300	122	16800	48000	---	e15800
19	42900	69	8520	88700	134	16500	46000	---	e16400
20	33800	62	8080	83000	108	11800	44000	---	e12400

21	35400	49	6230	84200	98	13400	43000	---	e11500
22	41200	50	5420	87800	108	15000	48000	---	e11000
23	54400	56	7040	66800	102	11100	50000	---	e11200
24	56600	64	7720	53500	95	13400	51000	---	e12200
25	50900	64	8220	52800	88	12700	46000	---	e11300

26	49900	70	9090	56300	87	11000	42000	---	e10200
27	53700	66	9070	49300	90	13600	40000	---	e10900
28	55600	79	9400	56000	67	9960	39000	---	e10000
29	63900	81	10700	46700	68	10800	38000	---	e10600
30	65800	64	8920	54500	75	11200	39000	---	e11900

31	61800	64	7940	---	---	---	40000	---	e11900


	JANUARY			FEBRUARY			MARCH

1	43000	---	e12100	98500	66	6630	256000	453	138000
2	41000	---	e12900	84900	64	6380	251000	469	126000
3	40000	---	e11400	107000	62	6420	230000	450	130000
4	42000	---	e9420	99100	66	5440	153000	415	125000
5	41000	---	e10100	89700	113	11400	123000	405	124000

6	42000	---	e10900	94400	193	22300	158000	275	84400
7	41000	---	e7970	88100	180	19400	153000	238	71500
8	40000	---	e8580	88300	186	21400	138000	309	89500
9	42000	---	e8720	102000	139	14000	120000	286	78200
10	41000	---	e8110	197000	133	12800	122000	238	63800

11	40000	---	e7190	229000	122	10800	122000	189	52500
12	40000	---	e9170	230000	165	18500	126000	151	41800
13	45000	---	e8440	225000	232	23900	106000	158	41300
14	50000	---	e8070	189000	329	34000	106000	185	46500
15	56000	---	e7500	145000	301	31600	152000	278	64300

16	53000	---	e5870	128000	290	28700	210000	265	63400
17	49400	68	7820	113000	262	32600	242000	313	78700
18	53000	82	8320	66300	231	27400	260000	420	105000
19	46400	76	7590	53500	204	22200	260000	460	103000
20	53400	81	7470	60500	224	24500	260000	434	91200

21	67900	88	8760	81700	262	27600	257000	339	68600
22	59400	91	9680	73600	190	17900	246000	239	49900
23	57500	91	7870	84100	183	19500	236000	239	49800
24	50200	81	7250	139000	147	16700	233000	253	46100
25	47200	54	4590	231000	277	36300	231000	255	44300

26	50600	51	4880	260000	634	128000	228000	232	38100
27	40500	62	7010	264000	640	179000	226000	234	41400
28	49500	69	8240	256000	484	148000	224000	223	31800
29	59500	71	8640	---	---	---	216000	176	30200
30	129000	69	7300	---	---	---	190000	175	31600

31	117000	67	7170	---	---	---	178000	167	29200


	APRIL			MAY			JUNE

1	168000	158	29700	326000	109	31900	254000	160	44600
2	158000	152	25100	325000	107	28800	259000	213	69700
3	165000	152	25600	323000	99	26800	269000	286	107000
4	169000	141	20200	320000	89	22700	284000	298	109000
5	161000	143	24400	317000	95	22100	283000	259	105000

6	155000	145	24000	314000	100	22900	284000	241	108000
7	148000	155	25300	314000	97	23400	299000	278	129000
8	158000	155	21800	316000	89	18400	310000	294	137000
9	183000	189	27900	321000	101	20100	309000	260	126000
10	204000	267	39500	327000	138	27700	305000	217	108000

11	230000	223	34300	330000	139	30000	296000	170	86600
12	239000	280	42700	330000	136	29300	294000	147	79000
13	247000	288	49800	331000	132	26700	293000	157	87200
14	249000	300	45800	336000	141	29600	291000	194	109000
15	251000	317	44100	343000	139	30300	295000	257	149000

16	255000	302	40800	350000	156	33700	284000	337	197000
17	260000	305	41400	357000	155	33500	277000	322	191000
18	266000	279	42300	363000	129	29200	275000	295	180000
19	273000	251	42900	366000	103	21400	267000	295	184000
20	280000	223	29100	366000	98	19700	265000	269	170000

21	286000	191	34800	364000	118	29600	261000	229	152000
22	290000	192	53600	356000	141	37800	255000	241	158000
23	294000	207	67200	345000	134	38300	249000	261	167000
24	299000	179	51500	333000	118	34100	247000	237	159000
25	305000	151	41900	319000	127	37800	248000	213	150000

26	312000	154	43800	305000	138	40600	251000	222	160000
27	317000	187	52900	291000	123	39700	253000	233	177000
28	321000	175	50200	277000	124	41600	255000	211	165000
29	324000	161	46300	265000	137	42600	248000	172	135000
30	326000	146	44400	257000	146	44400	242000	168	127000

31	---	---	---	254000	147	44000	---	---	---


	JULY			AUGUST			SEPTEMBER

1	236000	152	109000	95300	95	20500	58200	68	11800
2	231000	156	106000	83400	94	19500	49600	76	12300
3	228000	145	95900	74400	99	23100	47600	65	9910
4	226000	143	91100	76000	92	22200	49000	67	10300
5	225000	139	87000	82800	79	17900	51900	77	10400

6	224000	127	78300	83900	92	16200	52600	68	9870
7	223000	134	83000	86800	101	18000	50900	73	10600
8	218000	148	91400	82400	101	21800	53500	75	10100
9	192000	153	92700	79800	102	21800	50400	85	12200
10	167000	151	85200	78800	96	20000	51600	86	13000

11	166000	134	62700	76900	97	20200	56600	91	14500
12	164000	137	62700	72700	97	18600	66900	101	13900
13	135000	152	70500	70800	91	17400	72700	114	16500
14	107000	137	63700	57400	99	14100	72600	110	18500
15	88000	130	65400	42800	91	12400	72200	125	22000

16	76800	117	61300	42100	85	13100	65500	110	20200
17	73900	121	65900	43000	77	12800	57700	102	19500
18	76200	99	55900	48700	81	14200	51900	99	21100
19	73700	97	56900	51200	74	12800	48200	111	22200
20	77300	104	60300	52800	55	10600	47000	117	20300

21	81700	96	53900	56600	62	11200	69400	113	20500
22	80900	93	51300	52900	72	12700	72400	112	21800
23	75500	88	48100	63600	83	15500	73700	108	17100
24	87300	79	40800	95200	112	24100	68600	124	18200
25	91600	79	32000	73500	109	25400	68800	127	20900

26	94700	93	30400	63300	90	18500	59900	100	19500
27	101000	92	24300	61600	86	14600	63000	102	21200
28	102000	96	25100	55700	81	13100	68300	95	15700
29	90000	100	24200	66000	80	11200	65900	105	17000
30	95700	95	18400	62900	84	11100	63200	86	13600

31	98100	98	21700	61500	82	13000	---	---	---

e Estimated