Well NA04101003AAA1 EW-46U (EW46U)
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Co-located Well(s):
NA04101003AAA2 EW-46C (EW46C)

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Well Information Table
Common Well ID	NA04101003AAA1 EW-46U
USBR Well ID	EW46U
USGS Well ID	375013105511701
GSDNP Well Name	375013105511701
USGS Station Name	NA04101003AAA1 EW-46U
USGS Site Type	Well
USGS Site Use Information	Observation
USGS Groundwater Use Information	Unknown
Data Source(s)	USGS, USBR
Location Data
TRS	NA04101003AAA1 EW-46U
USBR TRS	NA04101003AAA1
USGS TRS 1	NA04101003AAA1 EW-46U
Longitude/Latitude (NAD83)	-105.85540798 , 37.83691351
Longitude/Latitude Data Source	USBOR EW well locations
USGS Longitude/Latitude (NAD83)	-105.8552962 , 37.83694394
USBR Longitude/Latitude (NAD27)	-105.854833999179 , 37.8369140198985
Easting, Northing RGDSS-NAD83 (US ft)	147659.03 , 306206.95
USGS County	Saguache County
Elevation and Depth Data
Ground Elevation (ft NAVD88)	7536.76
Elevation Data Source	USBOR EW Well database
USBR Ground Elevation (ft NGVD29)	7532.9
USGS Ground Elevation (ft NGVD29)	7532.92
1/3-Arc Second NED Ground Elevation (ft NAVD88)	7537.88
1-Arc Second NED Ground Elevation (ft NAVD88)	7537.84
SRTM Ground Elevation (ft NAVD88)	7534.36
Total Depth (ft)	45.00
USBR Total Depth (ft)	45
USGS Well Depth (ft)	61.00
Model Layer	1
Model Layer Source	Dunes Layer
Depth of Bottom of Layer 1	93
Depth of Bottom of Layer 2	255
Depth of Bottom of Layer 3	1454
Depth of Bottom of Layer 4	3906
Aquifer Information
Aquifer Type	Unconfined
Aquifer Type Source	EW_AQFR
USGS Data Available	Water-level (GW.LEV)
Water-level Count	302
Water-level Date Range	10/20/1983 thru 03/15/2007
Water-level Sources	RGWCD:0, USBR:279, USGS:24, HRS:0

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Water-Level Data

1970 to Present

1944 to Present

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Measurement Date	Depth to Water (ft)	Elevation (ft NAVD88)	Data Source(s)
10/20/1983	4.45	7532.31	USBR
11/29/1983	4.60	7532.16	USBR
12/13/1983	4.60	7532.16	USBR
01/17/1984	4.20	7532.56	USBR
02/17/1984	4.25	7532.51	USBR
03/14/1984	4.20	7532.56	USBR
04/16/1984	4.00	7532.76	USBR
05/16/1984	4.00	7532.76	USBR
06/20/1984	4.10	7532.66	USBR
07/10/1984	4.40	7532.36	USBR
08/20/1984	4.54	7532.22	USBR
09/25/1984	4.85	7531.91	USBR
10/18/1984	4.77	7531.99	USBR
11/21/1984	4.71	7532.05	USBR
12/18/1984	4.64	7532.12	USBR
01/17/1985	4.58	7532.18	USBR
02/21/1985	4.40	7532.36	USBR
03/19/1985	4.44	7532.32	USBR
04/22/1985	4.34	7532.42	USBR
05/16/1985	4.18	7532.58	USBR
06/24/1985	5.53	7531.23	USBR
07/21/1985	5.56	7531.20	USBR
08/26/1985	4.83	7531.93	USBR
09/19/1985	4.80	7531.96	USBR
10/16/1985	4.71	7532.05	USBR
11/19/1985	4.66	7532.10	USBR
01/13/1986	4.53	7532.23	USBR
02/17/1986	4.48	7532.28	USBR
03/25/1986	3.93	7532.83	USBR
04/21/1986	3.90	7532.86	USBR
05/19/1986	4.10	7532.66	USBR
06/19/1986	4.44	7532.32	USBR
07/21/1986	4.49	7532.27	USBR
09/23/1986	5.88	7530.88	USBR
10/24/1986	4.73	7532.03	USBR
11/26/1986	4.55	7532.21	USBR
12/23/1986	4.21	7532.55	USBR
01/26/1987	4.16	7532.60	USBR
02/25/1987	4.00	7532.76	USBR
03/26/1987	2.52	7534.24	USBR
04/24/1987	3.12	7533.64	USBR
05/22/1987	2.18	7534.58	USBR
06/22/1987	1.90	7534.86	USBR
07/27/1987	2.23	7534.53	USBR
08/26/1987	2.80	7533.96	USBR
09/21/1987	2.82	7533.94	USBR
10/21/1987	3.35	7533.41	USBR
11/20/1987	3.40	7533.36	USBR
06/15/1988	3.21	7533.55	USBR
09/30/1988	4.21	7532.55	USBR
10/15/1988	4.22	7532.54	USBR
11/03/1988	4.09	7532.67	USBR
12/15/1988	4.24	7532.52	USBR
02/15/1989	4.09	7532.67	USBR
03/15/1989	3.83	7532.93	USBR
04/15/1989	3.45	7533.31	USBR
05/15/1989	3.33	7533.43	USBR
06/15/1989	3.88	7532.88	USBR
07/15/1989	4.16	7532.60	USBR
08/15/1989	4.35	7532.41	USBR
09/15/1989	4.53	7532.23	USBR
10/15/1989	4.46	7532.30	USBR
11/15/1989	4.57	7532.19	USBR
12/15/1989	4.44	7532.32	USBR
01/15/1990	4.42	7532.34	USBR
02/15/1990	4.42	7532.34	USBR
03/15/1990	4.36	7532.40	USBR
04/15/1990	4.05	7532.71	USBR
05/15/1990	3.51	7533.25	USBR
06/15/1990	3.57	7533.19	USBR
10/15/1990	4.55	7532.21	USBR
11/15/1990	4.52	7532.24	USBR
01/15/1991	4.35	7532.41	USBR
02/15/1991	4.39	7532.37	USBR
03/15/1991	4.28	7532.48	USBR
04/15/1991	4.17	7532.59	USBR
05/15/1991	4.04	7532.72	USBR
06/15/1991	4.24	7532.52	USBR
07/15/1991	4.45	7532.31	USBR
08/15/1991	4.43	7532.33	USBR
09/15/1991	4.58	7532.18	USBR
10/16/1991	4.83	7531.93	USBR
11/15/1991	4.70	7532.06	USBR
02/15/1992	4.45	7532.31	USBR
04/15/1992	3.75	7533.01	USBR
05/15/1992	4.47	7532.29	USBR
06/15/1992	4.95	7531.81	USBR
07/15/1992	5.52	7531.24	USBR
08/15/1992	5.44	7531.32	USBR
09/15/1992	6.95	7529.81	USBR
10/15/1992	7.60	7529.16	USBR
11/15/1992	7.88	7528.88	USBR
12/15/1992	8.35	7528.41	USBR
01/07/1993	8.81	7527.95	USBR
02/15/1993	9.20	7527.56	USBR
03/15/1993	9.58	7527.18	USBR
04/15/1993	9.62	7527.14	USBR
05/15/1993	9.84	7526.92	USBR
06/15/1993	10.18	7526.58	USBR
07/15/1993	9.54	7527.22	USBR
08/15/1993	7.82	7528.94	USBR
10/15/1993	7.93	7528.83	USBR
12/15/1993	10.68	7526.08	USBR
01/15/1994	11.27	7525.49	USBR
02/15/1994	11.60	7525.16	USBR
03/15/1994	11.95	7524.81	USBR
04/15/1994	10.00	7526.76	USBR
05/15/1994	10.32	7526.44	USBR
06/15/1994	9.95	7526.81	USBR
07/15/1994	10.18	7526.58	USBR
08/15/1994	10.20	7526.56	USBR
09/15/1994	10.44	7526.32	USBR
10/21/1994	10.09	7526.67	USBR
10/21/1994	10.06	7526.70	USGS
11/15/1994	10.35	7526.41	USBR
11/29/1994	9.99	7526.77	USGS
11/29/1994	10.02	7526.74	USBR
12/15/1994	10.11	7526.65	USBR
01/15/1995	12.44	7524.32	USBR
02/22/1995	12.60	7524.16	USGS
02/22/1995	12.63	7524.13	USBR
03/15/1995	13.04	7523.72	USBR
04/19/1995	13.39	7523.37	USBR
04/19/1995	13.36	7523.40	USGS
05/15/1995	11.20	7525.56	USBR
06/15/1995	10.77	7525.99	USBR
07/19/1995	10.59	7526.17	USGS
07/19/1995	10.62	7526.14	USBR
10/24/1995	10.35	7526.41	USBR
10/24/1995	10.32	7526.44	USGS
01/30/1996	12.12	7524.64	USBR
02/05/1996	12.11	7524.65	USBR
02/14/1996	12.34	7524.42	USBR
02/14/1996	12.31	7524.45	USGS
04/23/1996	11.49	7525.27	USBR
04/23/1996	11.46	7525.30	USGS
06/03/1996	11.20	7525.56	USBR
06/25/1996	11.18	7525.58	USBR
07/15/1996	11.21	7525.55	USBR
07/31/1996	11.01	7525.75	USBR
07/31/1996	10.98	7525.78	USGS
08/15/1996	13.38	7523.38	USBR
08/29/1996	11.68	7525.08	USBR
09/15/1996	11.42	7525.34	USBR
10/15/1996	11.38	7525.38	USBR
10/30/1996	13.68	7523.08	USBR
11/15/1996	11.84	7524.92	USBR
12/15/1996	13.93	7522.83	USBR
01/22/1997	14.16	7522.60	USBR
02/15/1997	14.40	7522.36	USBR
03/15/1997	14.79	7521.97	USBR
04/15/1997	14.99	7521.77	USBR
04/30/1997	14.98	7521.78	USBR
04/30/1997	14.95	7521.81	USGS
05/11/1997	14.94	7521.82	USBR
06/12/1997	15.28	7521.48	USBR
07/15/1997	15.29	7521.47	USBR
08/15/1997	15.30	7521.46	USBR
09/09/1997	15.46	7521.30	USBR
09/24/1997	15.51	7521.25	USGS
09/24/1997	15.54	7521.22	USBR
10/15/1997	15.44	7521.32	USBR
11/15/1997	15.66	7521.10	USBR
12/15/1997	15.70	7521.06	USBR
01/15/1998	15.86	7520.90	USBR
02/04/1998	15.87	7520.89	USBR
02/15/1998	15.97	7520.79	USBR
04/16/1998	16.50	7520.26	USBR
04/16/1998	16.47	7520.29	USGS
04/30/1998	16.53	7520.23	USBR
05/21/1998	16.59	7520.17	USBR
07/07/1998	16.91	7519.85	USBR
10/07/1998	17.16	7519.60	USGS
10/07/1998	17.19	7519.57	USBR
11/06/1998	17.20	7519.56	USBR
11/15/1998	17.18	7519.58	USBR
12/15/1998	17.00	7519.76	USBR
01/11/1999	16.42	7520.34	USBR
02/15/1999	17.26	7519.50	USBR
03/15/1999	16.83	7519.93	USBR
04/08/1999	16.64	7520.12	USBR
04/08/1999	16.61	7520.15	USGS
05/06/1999	16.54	7520.22	USBR
05/15/1999	16.58	7520.18	USBR
06/15/1999	16.48	7520.28	USBR
07/15/1999	16.36	7520.40	USBR
08/15/1999	16.36	7520.40	USBR
09/07/1999	16.26	7520.50	USBR
09/21/1999	16.25	7520.51	USGS
09/21/1999	16.28	7520.48	USBR
10/15/1999	16.24	7520.52	USBR
11/15/1999	16.16	7520.60	USBR
12/15/1999	16.15	7520.61	USBR
01/15/2000	16.11	7520.65	USBR
02/14/2000	16.07	7520.69	USBR
03/15/2000	16.14	7520.62	USBR
03/29/2000	16.06	7520.70	USBR
03/29/2000	16.03	7520.73	USGS
04/15/2000	16.14	7520.62	USBR
04/27/2000	16.01	7520.75	USBR
05/15/2000	16.08	7520.68	USBR
06/15/2000	16.07	7520.69	USBR
07/15/2000	16.04	7520.72	USBR
07/26/2000	15.94	7520.82	USBR
08/15/2000	15.85	7520.91	USBR
09/15/2000	15.87	7520.89	USBR
09/20/2000	15.79	7520.97	USGS,USBR
10/15/2000	15.95	7520.81	USBR
10/25/2000	16.65	7520.11	USBR
11/15/2000	17.06	7519.70	USBR
01/02/2001	17.18	7519.58	USBR
03/29/2001	17.22	7519.54	USBR
07/03/2001	17.26	7519.50	USBR
10/22/2001	17.13	7519.63	USBR
10/24/2001	17.17	7519.59	USGS
11/20/2001	17.20	7519.56	USBR
12/10/2001	16.35	7520.41	USBR
01/15/2002	16.09	7520.67	USBR
02/15/2002	16.15	7520.61	USBR
03/15/2002	16.18	7520.58	USBR
04/15/2002	16.20	7520.56	USBR
05/15/2002	16.29	7520.47	USBR
06/15/2002	15.98	7520.78	USBR
07/15/2002	15.82	7520.94	USBR
08/15/2002	15.78	7520.98	USBR
08/25/2002	15.86	7520.90	USBR
09/15/2002	15.78	7520.98	USBR
10/15/2002	15.57	7521.19	USBR
11/15/2002	15.53	7521.23	USBR
12/15/2002	15.34	7521.42	USBR
01/09/2003	15.39	7521.37	USBR
01/15/2003	16.90	7519.86	USBR
02/15/2003	17.06	7519.70	USBR
03/15/2003	17.05	7519.71	USBR
04/15/2003	17.01	7519.75	USBR
05/15/2003	17.05	7519.71	USBR
06/15/2003	16.95	7519.81	USBR
07/02/2003	16.86	7519.90	USBR
07/15/2003	15.78	7520.98	USBR
08/15/2003	15.61	7521.15	USBR
09/15/2003	15.39	7521.37	USBR
10/08/2003	16.52	7520.24	USGS
10/08/2003	15.26	7521.50	USBR
10/15/2003	16.43	7520.33	USBR
11/15/2003	16.48	7520.28	USBR
12/15/2003	16.44	7520.32	USBR
01/15/2004	16.39	7520.37	USBR
02/15/2004	16.42	7520.34	USBR
03/15/2004	16.38	7520.38	USBR
04/15/2004	16.47	7520.29	USBR
04/21/2004	16.40	7520.36	USGS
05/15/2004	16.44	7520.32	USBR
06/15/2004	16.42	7520.34	USBR
07/15/2004	16.41	7520.35	USBR
07/19/2004	16.41	7520.35	USBR
08/15/2004	15.26	7521.50	USBR
09/15/2004	15.27	7521.49	USBR
10/15/2004	15.03	7521.73	USBR
10/27/2004	15.11	7521.65	USGS
11/15/2004	15.03	7521.73	USBR
12/15/2004	14.83	7521.93	USBR
01/15/2005	14.96	7521.80	USBR
01/23/2005	16.15	7520.61	USBR
02/15/2005	16.20	7520.56	USBR
03/15/2005	16.21	7520.55	USBR
03/22/2005	16.23	7520.53	USGS
04/15/2005	16.21	7520.55	USBR
04/28/2005	15.30	7521.46	USBR
05/15/2005	15.15	7521.61	USBR
06/01/2005	15.02	7521.74	USBR
06/15/2005	16.11	7520.65	USBR
07/08/2005	16.10	7520.66	USBR
07/15/2005	15.97	7520.79	USBR
07/24/2005	15.09	7521.67	USBR
07/29/2005	17.02	7519.74	USGS
08/15/2005	16.00	7520.76	USBR
08/17/2005	15.97	7520.79	USBR
09/05/2005	14.89	7521.87	USBR
09/15/2005	15.88	7520.88	USBR
10/15/2005	15.95	7520.81	USBR
10/20/2005	15.92	7520.84	USGS
11/15/2005	16.03	7520.73	USBR
12/15/2005	15.98	7520.78	USBR
01/13/2006	16.14	7520.62	USBR
01/15/2006	16.00	7520.76	USBR
02/15/2006	15.97	7520.79	USBR
03/15/2006	16.05	7520.71	USBR
04/15/2006	15.93	7520.83	USBR
05/08/2006	16.25	7520.51	USBR
05/15/2006	16.35	7520.41	USBR
06/15/2006	16.21	7520.55	USBR
07/15/2006	15.87	7520.89	USBR
07/20/2006	16.41	7520.35	USBR
08/15/2006	16.29	7520.47	USBR
09/14/2006	16.36	7520.40	USBR
09/15/2006	24.86	7511.90	USBR
10/15/2006	16.33	7520.43	USBR
11/15/2006	16.47	7520.29	USBR
12/15/2006	16.45	7520.31	USBR
01/15/2007	16.52	7520.24	USBR
02/15/2007	16.45	7520.31	USBR
03/15/2007	16.36	7520.40	USBR

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Well NA04101003AAA1 EW-46U (EW46U)Unconfined

View Digital Orthophoto Quadrangle for this area

Water-Level Data

1970 to Present

1944 to Present

Well NA04101003AAA1 EW-46U (EW46U)
Unconfined