05595200 DATA: Discharge Tables, 2000

Station list Available data
KASKASKIA RIVER BASIN

05595200 RICHLAND CREEK NEAR HECKER, IL

LOCATION.-- Lat 38°19'26", long 89°58'15", in SW1/4SE1/4 sec.27 projected, T.2 S., R.8 W., St. Clair County, Hydrologic Unit 07140204, on left bank at downstream side of bridge on State Highway 156, 2 mi northeast of Hecker, 5 mi west of New Athens, and at mile 17.3.

DRAINAGE AREA.-- 129 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE

DISCHARGE: October 1969 to current year.

STAGE: Water years 1995-2000. October 1980 to September 1994 (8 a.m. gage heights).

SURFACE-WATER QUALITY

CHEMICAL: Water years 1978-91.

REVISED RECORDS.-- WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter and rain gage, phone telemeter, and crest-stage gage. Datum of gage is 375.00 ft above sea level. June 28, 1976, to Nov. 9, 1978, nonrecording gage at same site and datum.

REMARKS.-- Two sewage-treatment plants 13-16 mi upstream.

REMARKS FOR CURRENT YEAR.-- Records fair except those for estimated daily discharges, which are poor. Effluent from two sewage treatment plants 13-16 mi upstream averaged about 11.5 ft³/s per day.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	8.9	11	8.8	9.7	e10	19	13	14	20	56	76	e22
2	7.7	12	8.7	9.1	10	17	12	13	18	49	46	18
3	8.5	10	9.6	58	12	15	13	13	15	54	37	17
4	11	11	12	58	13	17	12	15	14	108	33	16
5	11	10	17	23	12	15	11	14	17	51	30	16

6	8.3	11	18	18	12	13	10	13	15	33	30	15
7	7.8	9.5	12	16	12	12	33	162	13	30	196	14
8	20	6.0	11	15	12	12	30	92	11	27	518	14
9	21	7.3	17	18	9.6	11	19	31	9.8	25	111	15
10	14	12	143	17	10	11	16	21	10	24	49	29

11	12	12	31	13	9.9	12	12	18	11	48	36	19
12	11	12	20	12	9.7	20	14	16	27	449	31	56
13	8.1	9.9	17	12	14	22	13	22	106	73	28	25
14	7.7	11	13	11	21	18	12	19	33	34	27	18
15	7.3	9.6	11	11	14	15	11	15	48	27	24	15

16	7.7	9.3	11	12	13	14	16	14	844	24	23	12
17	11	9.0	11	11	12	14	70	15	4840	30	22	12
18	11	8.7	10	16	148	14	22	13	676	38	363	12
19	9.2	9.0	11	15	65	18	17	15	101	e1700	68	11
20	9.1	9.2	10	12	25	49	17	21	62	e400	e40	10

21	8.2	8.9	9.9	12	19	48	15	23	464	e130	e30	11
22	11	10	9.7	11	16	23	14	23	89	68	e23	11
23	8.6	12	9.7	12	15	19	14	81	48	55	e20	11
24	8.9	17	9.6	11	20	e17	43	32	2260	47	e17	13
25	9.1	14	9.5	11	20	e15	47	26	2340	43	e250	215

26	9.7	12	9.4	12	26	e14	24	100	e350	39	100	88
27	9.4	9.9	9.4	11	58	e80	21	1400	e180	35	e80	29
28	9.6	9.5	9.6	10	26	25	24	256	e130	682	e150	23
29	9.5	9.1	9.9	e9.5	18	18	20	50	e90	349	e70	21
30	10	8.9	10	e9.0	---	14	18	33	66	113	e40	18

31	11	---	11	e9.5	---	13	---	25	---	123	e25	---

TOTAL	317.3	310.8	509.8	484.8	662.2	624	613	2605	12907.8	4964	2593	806
MEAN	10.2	10.4	16.4	15.6	22.8	20.1	20.4	84.0	430	160	83.6	26.9
MAX	21	17	143	58	148	80	70	1400	4840	1700	518	215
MIN	7.3	6.0	8.7	9.0	9.6	11	10	13	9.8	24	17	10
CFSM	.08	.08	.13	.12	.18	.16	.16	.65	3.34	1.24	.65	.21
IN.	.09	.09	.15	.14	.19	.18	.18	.75	3.72	1.43	.75	.23

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1970 - 2000, BY WATER YEAR (WY)
MEAN	42.5	111	128	109	160	194	194	149	98.1	77.5	42.5	60.4
MAX	270	516	590	338	505	611	751	1306	430	322	271	471
(WY)	1987	1986	1983	1974	1982	1984	1994	1995	2000	1981	1998	1993
MIN	6.51	7.53	9.66	7.19	19.1	19.4	20.2	18.4	14.9	11.6	7.64	6.66
(WY)	1972	1972	1977	1977	1978	1981	1981	1988	1972	1970	1971	1976

SUMMARY STATISTICS	FOR 1999 CALENDAR YEAR		FOR 2000 WATER YEAR		WATER YEARS 1970 - 2000
ANNUAL TOTAL	39979.8		27397.7
ANNUAL MEAN	110		74.9		113
HIGHEST ANNUAL MEAN					198	1973
LOWEST ANNUAL MEAN					23.5	1976
HIGHEST DAILY MEAN	4050	Feb 7	4840	Jun 17	13300	May 17 1995
LOWEST DAILY MEAN	6.0	Nov 8	6.0	Nov 8	4.2	Oct 17 1976
ANNUAL SEVEN-DAY MINIMUM	8.1	Sep 22	8.9	Oct 13	4.8	Oct 12 1976
INSTANTANEOUS PEAK FLOW			6840	Jun 17	23400	Apr 29 1996
INSTANTANEOUS PEAK STAGE			41.17	Jun 17	44.4 A	Apr 29 1996
INSTANTANEOUS LOW FLOW			4.7	Nov 8
ANNUAL RUNOFF (CFSM)	.85		.58		.88
ANNUAL RUNOFF (INCHES)	11.53		7.90		11.94
10 PERCENT EXCEEDS	210		89		191
50 PERCENT EXCEEDS	30		15		27
90 PERCENT EXCEEDS	9.0		9.5		9.0

A - From floodmark.