05547350 DATA: Sediment Tables, 1999

Station list Available data
ILLINOIS RIVER BASIN

05547350 GRASS LK OUTLET NEAR LOTUS WOODS, IL

LOCATION.--Lat 42°25'33", long 88°09'53", in SW1/4SW1/4 sec. 18, T.46 N., R.9 E., Lake County, Hydrologic Unit 07120006, on right bank of downstream side Grass Lake Road bridge, and at mile 108.5.

DRAINAGE AREA.--919 mi².

PERIOD OF RECORD.--
SUSPENDED-SEDIMENT DISCHARGE: Dec.1997 to May 1999 (discontinued).

REMARKS.--Suspended-sediment samples were collected twice weekly with more frequent samples collected during high runoff periods.

EXTREMES FOR PERIOD OF RECORD.--
SEDIMENT CONCENTRATION: Maximum daily, 246 mg/L, Nov. 1, 1998; minimum daily, 3 mg/L, Jan. 20-24, 1998.
SEDIMENT LOAD: Maximum daily, 1,090 tons, April 27, 1999; minimum daily, 5.2 tons, Jan. 21, 1998.

SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999
		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	e260	38	27	e410	246	272	e480	47	60
2	e265	39	28	e470	56	71	e550	51	76
3	e290	40	31	e430	73	84	e540	59	86
4	e370	42	41	e310	68	57	e560	43	64
5	e380	40	41	e370	41	41	e600	29	47

6	e500	38	51	e380	46	47	e620	24	41
7	e720	39	76	e380	30	31	e680	21	39
8	e700	69	131	e390	32	34	e800	18	40
9	e690	71	132	e360	27	26	e740	17	33
10	e680	67	123	e380	44	45	e740	19	39

11	e600	63	102	e850	60	137	e680	23	42
12	e560	60	90	e1400	46	176	e620	29	48
13	e500	56	76	e1340	29	106	e580	57	90
14	e440	53	63	e1150	27	83	e560	48	73
15	e380	51	52	e970	153	402	e540	36	52

16	e320	49	42	e970	185	486	e500	21	28
17	e340	52	48	e860	178	413	e510	20	27
18	e640	57	98	e770	107	223	e520	28	39
19	e870	62	145	e670	52	95	e480	29	38
20	e820	67	148	e580	28	44	e460	28	35

21	e740	109	218	e520	32	45	e470	27	34
22	e620	137	229	e510	37	50	e350	26	25
23	e540	140	203	e480	54	70	e370	27	27
24	e510	139	192	e490	117	155	e420	28	32
25	e510	128	176	e540	135	197	e400	29	31

26	e500	120	162	e500	141	190	e430	32	37
27	e480	136	176	e470	142	180	e490	44	58
28	e420	152	173	e460	114	141	e480	58	76
29	e440	136	162	e470	114	145	e440	60	71
30	e420	126	142	e500	77	104	e300	60	49

31	e380	210	215	---	---	---	e380	57	58

TOTAL	15885	---	3593	18380	---	4150	16290	---	1495


	JANUARY			FEBRUARY			MARCH

1	e370	38	38	e1800	30	148	e740	39	78
2	e450	35	43	e1600	31	135	e770	37	78
3	e480	33	42	e1500	32	130	e770	36	74
4	e480	30	39	e1550	33	138	e730	34	68
5	e460	28	35	e1550	34	142	e700	33	62

6	e500	26	35	e1500	35	141	e740	32	63
7	e480	24	31	e1400	36	136	e750	30	61
8	e490	22	29	e1300	37	130	e730	29	57
9	e480	21	27	e1200	38	123	e680	28	51
10	e470	19	24	e1200	39	126	e580	27	42

11	e490	18	23	e1250	41	137	e520	26	36
12	e520	16	23	e1380	45	168	e660	33	60
13	e510	15	21	e1500	49	200	e740	56	111
14	e500	14	19	e1380	49	183	e720	52	101
15	e520	13	18	e1300	49	170	e630	45	77

16	e530	12	17	e1220	48	158	e580	42	66
17	e550	11	16	e1250	47	159	e640	50	87
18	e610	10	17	e1230	46	154	e860	62	144
19	e660	9	17	e1200	46	148	e1150	74	230
20	e660	9	16	e1100	45	134	e940	78	198

21	e670	8	15	e1020	44	122	e800	81	174
22	e720	8	15	e950	44	112	e720	84	163
23	e1100	7	21	e900	43	105	e760	87	178
24	e1350	7	26	e820	43	94	e730	90	177
25	e1500	7	28	e750	42	85	e700	93	176

26	e1750	7	34	e730	41	82	e660	74	131
27	e1770	11	52	e710	41	78	e620	71	119
28	e1800	17	85	e700	40	76	e560	83	126
29	e1900	26	136	---	---	---	e450	144	175
30	e1850	29	144	---	---	---	e490	177	234

31	e1800	30	144	---	---	---	e500	130	175

TOTAL	26420	---	1230	33990	---	3714	21620	---	3572


	APRIL			MAY			JUNE

1	e490	93	123	e2000	38	207	---	---	---
2	e500	61	82	e1700	37	172	---	---	---
3	e520	67	94	e1550	39	162	---	---	---
4	e520	78	109	e1400	40	152	---	---	---
5	e500	77	104	e1260	43	146	---	---	---

6	e530	75	107	e1200	58	188	---	---	---
7	e510	70	97	e1120	78	237	---	---	---
8	e490	59	78	e1070	80	231	---	---	---
9	e730	48	94	e1080	78	228	---	---	---
10	e1000	44	118	e1050	76	216	---	---	---

11	e1150	77	240	e980	76	202	---	---	---
12	e1130	69	211	e1000	75	203	---	---	---
13	e1060	38	109	e1080	52	150	---	---	---
14	e1000	36	99	e1100	32	95	---	---	---
15	e940	39	99.7	e1050	30	84	---	---	---

16	e920	41	101	e1000	36	96	---	---	---
17	e970	35	92	e1300	54	188	---	---	---
18	e900	29	72	e1650	62	275	---	---	---
19	e810	27	60	e1800	69	337	---	---	---
20	e700	43	81	e1800	67	326	---	---	---

21	e720	67	130	e1700	64	292	---	---	---
22	e800	70	151	e1600	59	256	---	---	---
23	e1100	68	203	e1550	50	211	---	---	---
24	e1600	69	296	e1520	42	173	---	---	---
25	e2500	64	430	e1470	36	144	---	---	---

26	e2450	47	310	e1350	39	141	---	---	---
27	e2400	168	1090	e1280	43	148	---	---	---
28	e2350	166	1050	e1150	50	154	---	---	---
29	e2250	112	679	e1050	82	233	---	---	---
30	e2150	46	270	e860	116	270	---	---	---

31	---	---	---	e800	105	227	---	---	---

TOTAL	33690	---	6779.7	40520	---	6144	---	---	---


	JULY			AUGUST			SEPTEMBER

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29	---	---	---	---	---	---	---	---	---
30	---	---	---	---	---	---	---	---	---

31	---	---	---	---	---	---	---	---	---

TOTAL	---	---	---	---	---	---	---	---	---

e Estimated