GROUND-WATER LEVELS

LA PLATA COUNTY

371127107484801 NB03400915BDD1 SIMON

LOCATION.--Lat 37°11'27", long 107°48'48", in SE 14 NW 14 sec.15, T.34 N., R.9 W., La Plata County, Hydrologic Unit 14080104, 0.5 mi southwest of Pastorius Reservoir, 7.5 mi southeast of Durango, Colo.

AQUIFER.--Animas Formation of Paleocene-Upper Cretaceous age. Aquifer code: 125ANMS.

WELL CHARACTERISTICS.--Drilled, observation well, diameter 3 in., depth 300 ft.

INSTRUMENTATION.--Water-level recorder with satellite telemetry.

DATUM.--Elevation of land-surface datum is 6,845 ft above NGVD of 1929, from topographic map. Measuring point: screw in recorder shelf above well casing, 3.00 ft above land-surface datum.

PERIOD OF RECORD.--June 1995 to September 2003 (discontinued). For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=3711271074848

EXTREMES FOR PERIOD OF RECORD.--Highest water level 97.63 ft below land-surface datum, Oct. 13, 14, 17, 2001; lowest, 100.61 ft below land-surface datum, May 15, 2003.

EXTREMES FOR CURRENT YEAR.--Highest water level 98.25 ft below land-surface datum, Aug. 7, 8; lowest, 100.61 ft below land-surface datum, May 15.

Depth to water level, feet below land surface 

WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

DAILY MEAN VALUES

DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP
1	100.24	100.34	100.37	100.44	100.47	100.50	100.54	100.56	100.52	99.61	98.48	99.09
2	100.25	100.34	100.38	100.44	100.47	100.50	100.54	100.56	100.50	99.58	98.44	99.11
3	100.25	100.35	100.38	100.44	100.48	100.49	100.55	100.56	100.48	99.54	98.40	99.13
4	100.26	100.35	100.38	100.44	100.47	100.50	100.55	100.56	100.45	99.50	98.36	99.15
5	100.27	100.36	100.39	100.44	100.48	100.50	100.55	100.56	100.43	99.47	98.32	99.16
6	100.27	100.36	100.39	100.44	100.48	100.50	100.55	100.56	100.40	99.43	98.29	99.18
7	100.27	100.35	100.39	100.44	100.48	100.51	100.55	100.56	100.38	99.40	98.27	99.19
8	100.28	100.35	100.39	100.43	100.49	100.50	100.55	100.56	100.35	99.36	98.26	99.20
9	100.29	100.36	100.39	100.44	100.49	100.50	100.55	100.56	100.32	99.33	98.28	99.21
10	100.29	100.36	100.39	100.44	100.50	100.50	100.55	100.57	100.29	99.30	98.31	99.23
11	100.29	100.37	100.40	100.44	100.50	100.51	100.55	100.57	100.26	99.27	98.34	99.24
12	100.30	100.36	100.40	100.44	100.50	100.51	100.55	100.57	100.24	99.23	98.38	99.25
13	100.30	100.35	100.41	100.44	100.50	100.51	100.55	100.57	100.21	99.19	98.42	99.26
14	100.30	100.36	100.41	100.44	100.50	100.51	100.55	100.57	100.18	99.16	98.47	99.27
15	100.31	100.37	100.41	100.45	100.51	100.51	100.55	100.57	100.15	99.13	98.52	99.28
16	100.31	100.36	100.41	100.45	100.51	100.51	100.55	100.57	100.12	99.10	98.56	99.29
17	100.31	100.36	100.41	100.45	100.51	100.51	100.55	100.57	100.08	99.06	98.60	99.29
18	100.31	100.37	100.42	100.45	100.51	100.52	100.55	100.58	100.05	99.03	98.65	99.31
19	100.32	100.36	100.42	100.45	100.51	100.52	100.56	100.59	100.02	99.00	98.69	99.31
20	100.32	100.37	100.42	100.45	100.50	100.52	100.55	100.59	99.99	98.96	98.73	99.32
21	100.32	100.37	100.43	100.45	100.48	100.53	100.55	100.58	99.96	98.92	98.77	99.33
22	100.32	100.37	100.43	100.45	100.48	100.53	100.55	100.58	99.93	98.87	98.81	99.34
23	100.32	100.36	100.43	100.45	100.48	100.52	100.55	100.58	99.89	98.84	98.85	99.34
24	100.33	100.37	100.44	100.46	100.49	100.53	100.56	100.58	99.86	98.80	98.88	99.35
25	100.33	100.37	100.43	100.46	100.48	100.53	100.55	100.58	99.83	98.76	98.92	99.35
26	100.34	100.36	100.44	100.46	100.49	100.52	100.56	100.58	99.79	98.72	98.94	99.36
27	100.33	100.37	100.43	100.46	100.49	100.53	100.56	100.58	99.76	98.69	98.97	99.37
28	100.33	100.37	100.43	100.46	100.50	100.54	100.56	100.58	99.72	98.64	99.00	99.38
29	100.34	100.37	100.43	100.47	---	100.54	100.56	100.56	99.68	98.61	99.03	99.38
30	100.34	100.37	100.44	100.47	---	100.54	100.56	100.55	99.65	98.57	99.05	99.39
31	100.34	---	100.43	100.47	---	100.54	---	100.54	---	98.53	99.07	---
MEAN	100.30	100.36	100.41	100.45	100.49	100.52	100.55	100.57	100.12	99.08	98.61	99.27
MAX	100.34	100.37	100.44	100.47	100.51	100.54	100.56	100.59	100.52	99.61	99.07	99.39
MIN	100.24	100.34	100.37	100.43	100.47	100.49	100.54	100.54	99.65	98.53	98.26	99.09