402558087351501 DATA: GW_LEVELS

402558087351501 VERMILION COUNTY, IL, LOCAL NUMBER 23N11W-22.8A1


LOCATION.-- Lat 40°25'58", long 87°35'15" (NAD of 1927), in SW1/4SW1/4SW1/4 sec. 22, T.23 N., R.11 W., Hydrologic Unit 05120109, about 2 mi south of Cheneyville. Owner: Kankakee, Beaverville, and Southern Railroad.

AQUIFER.-- Glacial drift of Quaternary age.

WELL CHARACTERISTICS.-- Diameter 12 in., depth 146 ft, cased to 126 ft, 12-in. screen, drilled observation artesian well.

PERIOD OF RECORD.--
	GROUND-WATER LEVELS: December 1993 to current year (fragmentary).

INSTRUMENTATION.-- Electronic data logger--60-minute recording. Cell-phone telemeter at station.

DATUM.-- Land-surface datum is 710 ft above NGVD of 1929. Measuring point: Access hole through pump base on concrete pad, 1.3 ft above land-surface datum.

EXTREMES FOR PERIOD OF RECORD.--
GROUND-WATER LEVELS: Highest water level, 20.29 ft below land-surface datum, May 17, 2002; lowest, 26.04 ft below land-surface datum, Feb. 16, 2000.

EXTREMES FOR CURRENT YEAR.--
GROUND-WATER LEVELS: Highest water level 20.58 ft below land-surface datum, June 21, 22; lowest 22.14 ft below land-surface datum, Nov. 09, Sept. 28, 29, 30.

DEPTH TO WATER LEVEL, FEET BELOW LAND SURFACE, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MAXIMUM VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP
1	22.12	22.04	21.51	21.25	21.31	21.72	21.28	21.66	21.36	20.89	21.47	21.80
2	22.11	22.00	21.52	21.13	21.31	21.80	21.23	21.67	21.39	20.96	21.48	21.77
3	22.03	22.00	21.50	21.12	21.35	21.78	21.23	21.73	21.39	20.99	21.50	21.75
4	21.97	21.98	21.44	21.09	21.41	21.75	21.23	21.72	21.39	21.00	21.50	21.77
5	21.97	22.03	21.44	21.09	21.39	21.61	21.25	21.72	21.39	21.08	21.55	21.75
6	22.00	22.06	21.44	21.07	21.33	21.62	21.21	21.71	21.39	21.09	21.58	21.75
7	21.97	22.10	21.44	21.04	21.41	21.59	21.17	21.76	21.40	21.07	21.62	21.78
8	21.98	22.13	21.42	21.00	21.41	21.59	21.17	21.76	21.42	21.09	21.66	21.81
9	21.96	22.14	21.42	21.00	21.41	21.59	21.24	21.76	21.43	21.10	21.67	21.84
10	21.95	22.13	21.35	21.00	21.43	21.58	21.24	21.77	21.43	21.01	21.67	21.90
11	21.95	22.05	21.42	20.97	21.45	21.55	21.27	21.76	21.26	20.99	21.70	21.89
12	21.96	22.08	21.45	20.99	21.51	21.55	21.29	21.77	21.16	20.95	21.76	21.90
13	21.96	22.10	21.45	20.99	21.51	21.55	21.28	21.75	20.92	20.92	21.81	21.90
14	21.90	22.10	21.39	20.99	21.53	21.55	21.31	21.77	20.85	20.91	21.85	21.90
15	21.89	22.09	21.39	21.02	21.60	21.56	21.34	21.79	20.82	20.92	21.88	21.88
16	21.93	22.08	21.37	21.02	21.61	21.49	21.34	21.83	20.79	20.95	21.91	21.90
17	21.94	22.08	21.38	20.99	21.66	21.49	21.40	21.79	20.66	20.98	21.89	21.96
18	21.92	21.98	21.38	21.04	21.66	21.56	21.48	21.80	20.66	20.99	21.89	21.97
19	21.93	21.87	21.44	21.10	21.59	21.59	21.60	21.73	20.65	21.00	21.95	22.02
20	21.93	21.84	21.47	21.13	21.56	21.59	21.59	21.66	20.63	21.03	21.95	22.02
21	21.89	21.79	21.45	21.13	21.65	21.60	21.57	21.66	20.59	21.05	21.96	22.04
22	21.93	21.73	21.43	21.16	21.67	21.64	21.60	21.59	20.65	21.14	22.01	22.06
23	21.93	21.69	21.41	21.16	21.64	21.61	21.62	21.54	20.67	21.23	22.03	22.06
24	21.94	21.62	21.41	21.17	21.67	21.61	21.63	21.55	20.75	21.27	22.06	22.08
25	21.94	21.62	21.43	21.17	21.68	21.62	21.62	21.49	20.73	21.30	22.06	22.09
26	21.94	21.53	21.43	21.12	21.70	21.57	21.62	21.47	20.76	21.32	21.92	22.10
27	21.92	21.48	21.38	21.19	21.76	21.50	21.64	21.45	20.78	21.33	21.95	22.09
28	21.89	21.46	21.34	21.20	21.77	21.45	21.64	21.50	20.81	21.37	21.89	22.14
29	21.89	21.47	21.27	21.22	21.74	21.39	21.67	21.53	20.84	21.39	21.84	22.14
30	21.92	21.42	21.28	21.24	---	21.34	21.66	21.47	20.87	21.40	21.82	22.14
31	22.00	---	21.27	21.29	---	21.29	---	21.39	---	21.42	21.81	---

MEAN	21.95	21.89	21.41	21.10	21.54	21.57	21.41	21.66	20.99	21.10	21.79	21.94
MAX	22.12	22.14	21.52	21.29	21.77	21.80	21.67	21.83	21.43	21.42	22.06	22.14
MIN	21.89	21.42	21.27	20.97	21.31	21.29	21.17	21.39	20.59	20.89	21.47	21.75
WTR	YR	2004	MEAN	21.53	HIGH	20.59	LOW	22.14

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