Well NA04001135DCC4 EW-26C (EW26C)
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Co-located Well(s):
NA04001135DCC3 EW-26U (EW26U)

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Well Information Table
Common Well ID	NA04001135DCC4 EW-26C
USBR Well ID	EW26C
USGS Well ID	373950105440502
GSDNP Well Name	373950105440502
USGS Station Name	NA04001135DCC4 EW-26C
USGS Construction Date	10/10/1980
USGS Site Type	Well
USGS Site Use Information	Observation
USGS Groundwater Use Information	Unused
Data Source(s)	USGS, USBR
Location Data
TRS	NA04001135DCC4 EW-26C
USBR TRS	NA04001135DCC4
USGS TRS 1	NA04001135DCC4 EW-26C
Longitude/Latitude (NAD83)	-105.73528157 , 37.66391476
Longitude/Latitude Data Source	USBOR EW well locations
USGS Longitude/Latitude (NAD83)	-105.7352959 , 37.66389044
USBR Longitude/Latitude (NAD27)	-105.734707938650 , 37.6639132064826
Easting, Northing RGDSS-NAD83 (US ft)	182293.52 , 243183.89
USGS Topography	Valley flat
USGS County	Saguache County
USGS Map Name	MEDANO RANCH
USGS Map Scale	24000
Elevation and Depth Data
Ground Elevation (ft NAVD88)	7527.65
Elevation Data Source	USBOR EW Well database
USBR Ground Elevation (ft NGVD29)	7523.6
USGS Ground Elevation (ft NGVD29)	7523.60
1/3-Arc Second NED Ground Elevation (ft NAVD88)	7527.92
1-Arc Second NED Ground Elevation (ft NAVD88)	7527.26
SRTM Ground Elevation (ft NAVD88)	7526.64
Total Depth (ft)	145.00
USBR Total Depth (ft)	145
USGS Hole Depth (ft)	145.00
USGS Well Depth (ft)	145.00
Model Layer	2
Model Layer Source	Dunes Layer
Depth of Bottom of Layer 1	131
Depth of Bottom of Layer 2	483
Depth of Bottom of Layer 3	1630
Depth of Bottom of Layer 4	3232
Aquifer Information
Aquifer Type	Confined
Aquifer Type Source	EW_AQFR
USGS Hydrologic Unit	San Luis
USGS Data Available	Water-level (GW.LEV)
Water-level Count	319
Water-level Date Range	10/20/1980 thru 08/15/2009
Water-level Sources	RGWCD:0, USBR:286, USGS:37, HRS:0, Divide Study:0

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Water-level Data

1970 to Present

No Water-level data for well 373950105440502

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Measurement Date	Depth to Water (ft)	Elevation (ft NAVD88)	Data Source(s)
10/20/1980	4.63	7523.02	USBR
11/17/1980	4.01	7523.64	USBR
12/08/1980	4.04	7523.61	USBR
02/17/1981	4.58	7523.07	USBR
03/31/1981	4.30	7523.35	USBR
05/04/1981	4.58	7523.07	USBR
06/02/1981	4.60	7523.05	USBR
06/23/1981	4.70	7522.95	USBR
08/21/1981	4.40	7523.25	USBR
09/30/1981	4.60	7523.05	USBR
10/19/1981	4.80	7522.85	USBR
11/21/1981	4.80	7522.85	USBR
12/21/1981	4.90	7522.75	USBR
01/29/1982	4.80	7522.85	USBR
05/24/1982	4.70	7522.95	USBR
06/24/1982	4.80	7522.85	USBR
07/19/1982	5.00	7522.65	USBR
08/26/1982	4.80	7522.85	USBR
09/28/1982	5.00	7522.65	USBR
10/30/1982	5.10	7522.55	USBR
11/23/1982	5.10	7522.55	USBR
12/21/1982	5.10	7522.55	USBR
01/15/1983	5.00	7522.65	USBR
02/15/1983	5.20	7522.45	USBR
03/15/1983	4.90	7522.75	USBR
04/15/1983	4.80	7522.85	USBR
05/15/1983	4.80	7522.85	USBR
06/15/1983	5.00	7522.65	USBR
07/15/1983	4.40	7523.25	USBR
08/15/1983	4.50	7523.15	USBR
09/15/1983	4.80	7522.85	USBR
10/15/1983	4.90	7522.75	USBR
12/15/1983	4.80	7522.85	USBR
03/15/1984	4.60	7523.05	USBR
04/15/1984	4.50	7523.15	USBR
05/15/1984	4.10	7523.55	USBR
08/15/1984	4.00	7523.65	USBR
10/07/1986	3.60	7524.05	USGS
11/05/1986	3.43	7524.22	USGS
12/02/1986	3.63	7524.02	USGS
01/13/1987	3.61	7524.04	USGS
02/05/1987	3.60	7524.05	USGS
03/11/1987	3.58	7524.07	USGS
04/14/1987	3.50	7524.15	USGS
05/27/1987	3.26	7524.39	USGS
06/23/1987	2.57	7525.08	USGS
07/14/1987	2.28	7525.37	USGS
08/18/1987	2.27	7525.38	USGS
05/25/1988	3.31	7524.34	USBR
06/15/1988	3.25	7524.40	USBR
07/15/1988	3.30	7524.35	USBR
08/15/1988	3.56	7524.09	USBR
10/20/1988	3.58	7524.07	USBR
12/15/1988	3.81	7523.84	USBR
02/15/1989	3.89	7523.76	USBR
03/15/1989	4.21	7523.44	USBR
04/15/1989	4.38	7523.27	USBR
05/15/1989	4.50	7523.15	USBR
06/15/1989	4.63	7523.02	USBR
07/15/1989	4.86	7522.79	USBR
08/15/1989	5.71	7521.94	USBR
09/15/1989	5.38	7522.27	USBR
10/15/1989	5.25	7522.40	USBR
11/15/1989	5.19	7522.46	USBR
12/15/1989	5.06	7522.59	USBR
01/15/1990	5.24	7522.41	USBR
02/15/1990	5.36	7522.29	USBR
03/15/1990	5.47	7522.18	USBR
04/15/1990	5.50	7522.15	USBR
05/15/1990	5.47	7522.18	USBR
06/21/1990	5.50	7522.15	USBR
07/15/1990	5.27	7522.38	USBR
08/15/1990	5.31	7522.34	USBR
09/15/1990	5.28	7522.37	USBR
10/15/1990	5.73	7521.92	USBR
11/15/1990	5.27	7522.38	USBR
12/15/1990	5.19	7522.46	USBR
01/15/1991	5.14	7522.51	USBR
02/15/1991	5.33	7522.32	USBR
03/15/1991	5.44	7522.21	USBR
04/15/1991	5.53	7522.12	USBR
05/15/1991	5.52	7522.13	USBR
06/15/1991	5.59	7522.06	USBR
07/15/1991	6.13	7521.52	USBR
08/15/1991	5.95	7521.70	USBR
10/09/1991	5.80	7521.85	USBR
11/15/1991	5.87	7521.78	USBR
12/15/1991	5.84	7521.81	USBR
01/15/1992	5.83	7521.82	USBR
02/15/1992	5.83	7521.82	USBR
03/15/1992	5.78	7521.87	USBR
04/15/1992	5.90	7521.75	USBR
05/15/1992	6.01	7521.64	USBR
06/15/1992	5.90	7521.75	USBR
07/15/1992	5.78	7521.87	USBR
08/15/1992	5.60	7522.05	USBR
09/15/1992	5.42	7522.23	USBR
10/15/1992	5.30	7522.35	USBR
11/15/1992	5.08	7522.57	USBR
12/15/1992	4.65	7523.00	USBR
01/15/1993	4.67	7522.98	USBR
02/15/1993	4.66	7522.99	USBR
03/15/1993	4.78	7522.87	USBR
04/20/1993	4.85	7522.80	USBR
05/15/1993	5.55	7522.10	USBR
06/15/1993	4.81	7522.84	USBR
07/15/1993	4.69	7522.96	USBR
08/15/1993	4.93	7522.72	USBR
09/15/1993	4.73	7522.92	USBR
10/15/1993	4.74	7522.91	USBR
11/15/1993	4.62	7523.03	USBR
12/15/1993	4.75	7522.90	USBR
01/15/1994	5.41	7522.24	USBR
02/15/1994	5.46	7522.19	USBR
03/15/1994	5.60	7522.05	USBR
04/15/1994	5.10	7522.55	USBR
05/15/1994	4.88	7522.77	USBR
06/15/1994	4.70	7522.95	USBR
07/15/1994	4.75	7522.90	USBR
08/15/1994	4.82	7522.83	USBR
09/15/1994	4.83	7522.82	USBR
10/15/1994	4.73	7522.92	USBR
11/15/1994	4.73	7522.92	USBR
11/15/1994	5.16	7522.49	USGS
12/15/1994	4.69	7522.96	USBR
01/15/1995	5.07	7522.58	USBR
02/15/1995	5.55	7522.10	USBR
02/23/1995	5.54	7522.11	USBR
02/23/1995	5.97	7521.68	USGS
03/15/1995	5.70	7521.95	USBR
04/15/1995	5.12	7522.53	USBR
05/17/1995	4.94	7522.71	USBR
05/17/1995	5.37	7522.28	USGS
06/15/1995	5.11	7522.54	USBR
07/15/1995	4.16	7523.49	USBR
08/15/1995	3.59	7524.06	USBR
08/23/1995	4.70	7522.95	USGS
08/23/1995	4.27	7523.38	USBR
09/15/1995	4.26	7523.39	USBR
10/15/1995	4.71	7522.94	USBR
11/15/1995	4.78	7522.87	USBR
11/30/1995	4.47	7523.18	USBR
11/30/1995	4.90	7522.75	USGS
12/15/1995	4.67	7522.98	USBR
01/15/1996	4.24	7523.41	USBR
02/15/1996	4.39	7523.26	USBR
02/15/1996	5.29	7522.36	USGS
03/15/1996	4.69	7522.96	USBR
04/15/1996	4.59	7523.06	USBR
04/25/1996	4.59	7523.06	USBR
04/25/1996	5.49	7522.16	USGS
05/15/1996	4.57	7523.08	USBR
06/04/1996	4.62	7523.03	USBR
06/15/1996	4.56	7523.09	USBR
07/10/1996	4.57	7523.08	USBR
07/31/1996	5.56	7522.09	USGS
07/31/1996	4.66	7522.99	USBR
09/05/1996	5.46	7522.19	USBR
11/05/1996	5.49	7522.16	USBR
01/15/1997	4.84	7522.81	USBR
03/07/1997	4.99	7522.66	USBR
03/07/1997	5.89	7521.76	USGS
04/23/1997	6.01	7521.64	USBR
04/29/1997	5.99	7521.66	USBR
06/03/1997	6.17	7521.48	USBR
07/31/1997	5.83	7521.82	USGS
07/31/1997	5.40	7522.25	USBR
08/14/1997	5.36	7522.29	USBR
09/15/1997	5.93	7521.72	USBR
10/15/1997	5.50	7522.15	USBR
11/15/1997	5.39	7522.26	USBR
12/15/1997	5.42	7522.23	USBR
12/23/1997	5.37	7522.28	USBR
01/15/1998	5.91	7521.74	USBR
02/13/1998	5.66	7521.99	USBR
02/13/1998	6.09	7521.56	USGS
03/15/1998	5.49	7522.16	USBR
04/15/1998	5.41	7522.24	USBR
05/15/1998	5.38	7522.27	USBR
06/15/1998	5.42	7522.23	USBR
06/24/1998	5.47	7522.18	USBR
07/15/1998	5.97	7521.68	USBR
07/30/1998	5.56	7522.09	USBR
07/30/1998	5.99	7521.66	USGS
08/15/1998	5.59	7522.06	USBR
09/15/1998	5.52	7522.13	USBR
10/15/1998	5.42	7522.23	USBR
11/15/1998	5.16	7522.49	USBR
12/15/1998	5.05	7522.60	USBR
01/19/1999	5.13	7522.52	USBR
02/11/1999	6.28	7521.37	USGS
02/11/1999	5.38	7522.27	USBR
05/11/1999	5.57	7522.08	USBR
07/27/1999	5.53	7522.12	USGS
07/27/1999	5.10	7522.55	USBR
10/12/1999	6.36	7521.29	USBR
11/15/1999	6.11	7521.54	USBR
11/30/1999	6.02	7521.63	USBR
11/30/1999	6.05	7521.60	USGS
12/15/1999	5.72	7521.93	USBR
01/15/2000	5.60	7522.05	USBR
01/21/2000	5.35	7522.30	USBR
02/15/2000	5.25	7522.40	USBR
03/02/2000	5.20	7522.45	USGS
03/15/2000	5.22	7522.43	USBR
03/24/2000	5.12	7522.53	USBR
04/15/2000	5.24	7522.41	USBR
05/15/2000	5.49	7522.16	USBR
05/24/2000	5.70	7521.95	USBR
05/24/2000	5.73	7521.92	USGS
06/14/2000	5.70	7521.95	USBR
07/15/2000	5.20	7522.45	USBR
08/15/2000	5.49	7522.16	USBR
08/16/2000	5.60	7522.05	USGS
09/13/2000	5.39	7522.26	USBR
10/15/2000	5.15	7522.50	USBR
11/15/2000	5.03	7522.62	USBR
12/05/2000	5.05	7522.60	USBR
12/15/2000	5.01	7522.64	USBR
01/10/2001	5.00	7522.65	USGS,USBR
03/09/2001	4.97	7522.68	USBR
05/31/2001	4.89	7522.76	USGS,USBR
06/06/2001	4.76	7522.89	USBR
08/29/2001	4.78	7522.87	USBR
10/24/2001	4.90	7522.75	USBR
01/16/2002	4.93	7522.72	USGS
01/22/2002	5.05	7522.60	USBR
02/21/2002	5.31	7522.34	USBR
03/15/2002	5.49	7522.16	USBR
04/29/2002	5.68	7521.97	USBR
05/15/2002	5.22	7522.43	USBR
06/18/2002	5.20	7522.45	USBR
08/29/2002	6.24	7521.41	USBR
10/23/2002	5.81	7521.84	USBR
11/14/2002	5.73	7521.92	USGS
12/02/2002	5.72	7521.93	USBR
01/15/2003	6.23	7521.42	USBR
02/24/2003	6.41	7521.24	USBR
03/15/2003	6.46	7521.19	USBR
04/15/2003	6.48	7521.17	USBR
05/14/2003	6.61	7521.04	USGS,USBR
06/15/2003	6.56	7521.09	USBR
07/15/2003	6.65	7521.00	USBR
08/15/2003	6.60	7521.05	USBR
09/15/2003	6.47	7521.18	USBR
10/08/2003	6.58	7521.07	USBR
11/18/2003	7.00	7520.65	USGS,USBR
12/15/2003	6.70	7520.95	USBR
01/15/2004	6.67	7520.98	USBR
01/28/2004	7.12	7520.53	USBR
02/15/2004	6.68	7520.97	USBR
03/15/2004	6.63	7521.02	USBR
04/15/2004	6.59	7521.06	USBR
05/15/2004	6.69	7520.96	USBR
05/19/2004	6.24	7521.41	USGS
06/15/2004	6.73	7520.92	USBR
07/15/2004	6.79	7520.86	USBR
08/15/2004	6.87	7520.78	USBR
10/15/2004	7.04	7520.61	USBR
11/15/2004	7.09	7520.56	USBR
12/15/2004	7.11	7520.54	USBR
01/15/2005	7.09	7520.56	USBR
02/15/2005	7.07	7520.58	USBR
03/15/2005	7.65	7520.00	USBR
04/15/2005	7.79	7519.86	USBR
05/15/2005	7.84	7519.81	USBR
05/26/2005	7.92	7519.73	USGS
06/15/2005	7.59	7520.06	USBR
07/15/2005	7.06	7520.59	USBR
08/15/2005	7.14	7520.51	USBR
09/15/2005	7.63	7520.02	USBR
10/15/2005	7.55	7520.10	USBR
11/15/2005	7.16	7520.49	USBR
12/15/2005	7.01	7520.64	USBR
01/15/2006	7.01	7520.64	USBR
02/15/2006	6.91	7520.74	USBR
03/15/2006	6.84	7520.81	USBR
04/15/2006	6.87	7520.78	USBR
05/15/2006	6.91	7520.74	USBR
06/15/2006	7.06	7520.59	USBR
07/15/2006	7.12	7520.53	USBR
07/31/2006	7.61	7520.04	USBR
08/15/2006	7.20	7520.45	USBR
09/15/2006	7.26	7520.39	USBR
10/15/2006	7.21	7520.44	USBR
11/15/2006	7.23	7520.42	USBR
12/15/2006	7.17	7520.48	USBR
01/15/2007	7.12	7520.53	USBR
02/15/2007	7.12	7520.53	USBR
03/15/2007	7.06	7520.59	USBR
04/15/2007	6.95	7520.70	USBR
05/15/2007	6.93	7520.72	USBR
06/15/2007	6.97	7520.68	USBR
07/15/2007	6.82	7520.83	USBR
08/15/2007	6.92	7520.73	USBR
09/15/2007	7.04	7520.61	USBR
10/15/2007	7.10	7520.55	USBR
11/15/2007	7.13	7520.52	USBR
12/15/2007	7.09	7520.56	USBR
01/15/2008	6.96	7520.69	USBR
02/15/2008	6.95	7520.70	USBR
03/15/2008	6.95	7520.70	USBR
04/15/2008	7.25	7520.40	USBR
05/15/2008	7.76	7519.89	USBR
06/15/2008	7.89	7519.76	USBR
07/15/2008	7.54	7520.11	USBR
08/15/2008	7.48	7520.17	USBR
09/15/2008	7.54	7520.11	USBR
10/15/2008	7.08	7520.57	USBR
11/15/2008	7.02	7520.63	USBR
12/15/2008	6.96	7520.69	USBR
01/15/2009	6.90	7520.75	USBR
02/15/2009	6.92	7520.73	USBR
03/15/2009	6.91	7520.74	USBR
04/15/2009	6.80	7520.85	USBR
05/15/2009	6.93	7520.72	USBR
06/15/2009	6.57	7521.08	USBR
07/15/2009	6.59	7521.06	USBR
08/15/2009	6.75	7520.90	USBR

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Well NA04001135DCC4 EW-26C (EW26C)Confined

View Digital Orthophoto Quadrangle for this area

Water-level Data

1970 to Present

No Water-level data for well 373950105440502

Well NA04001135DCC4 EW-26C (EW26C)
Confined