Well NA03701216BAA1 EW-1U (EW01U)
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Co-located Well(s):
NA03701216BAA2 EW-1C (EW01C)

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Well Information Table
Common Well ID	NA03701216BAA1 EW-1U
USBR Well ID	EW01U
USGS Well ID	372737105400401
USGS Station Name	NA03701216BAA1 EW-1U
USGS Construction Date	06/27/1980
USGS Site Type	Well
USGS Site Use Information	Observation
USGS Groundwater Use Information	Unused
Data Source(s)	USGS, USBR
Location Data
TRS	NA03701216BAA1 EW-1U
USBR TRS	NA03701216BAA1
USGS TRS 1	NA03701216BAA1 EW-1U
Longitude/Latitude (NAD83)	-105.66840801 , 37.46037821
Longitude/Latitude Data Source	USBOR EW well locations
USGS Longitude/Latitude (NAD83)	-105.6683499 , 37.46028400
USBR Longitude/Latitude (NAD27)	-105.667835917791 , 37.4603719677205
Easting, Northing RGDSS-NAD83 (US ft)	201645.59 , 169088.79
USGS Topography	Valley flat
USGS County	Alamosa County
USGS Map Name	BALDY
USGS Map Scale	24000
Elevation and Depth Data
Ground Elevation (ft NAVD88)	7602.07
Elevation Data Source	USBOR EW Well database
USBR Ground Elevation (ft NGVD29)	7597.9
USGS Ground Elevation (ft NGVD29)	7597.90
1/3-Arc Second NED Ground Elevation (ft NAVD88)	7604.02
1-Arc Second NED Ground Elevation (ft NAVD88)	7604.02
SRTM Ground Elevation (ft NAVD88)	7600.52
Total Depth (ft)	35.00
USBR Total Depth (ft)	35
USGS Hole Depth (ft)	190.00
USGS Well Depth (ft)	35.00
Model Layer	1
Model Layer Source	Well Depth
Depth of Bottom of Layer 1	113
Depth of Bottom of Layer 2	183
Depth of Bottom of Layer 3	601
Depth of Bottom of Layer 4	1927
Aquifer Information
Aquifer Type	Unconfined
Aquifer Type Source	EW_AQFR
USGS Hydrologic Unit	San Luis
USGS Data Available	Water-level (GW.LEV)
Water-level Count	178
Water-level Date Range	08/14/1980 thru 03/19/2007
Water-level Sources	RGWCD:0, USBR:158, 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)
08/14/1980	23.91	7578.16	USBR
09/02/1980	24.49	7577.58	USGS
10/15/1980	24.24	7577.83	USBR
10/28/1980	24.14	7577.93	USBR
11/12/1980	24.14	7577.93	USBR
11/26/1980	24.15	7577.92	USBR
12/10/1980	24.16	7577.91	USBR
01/14/1981	24.19	7577.88	USBR
02/02/1981	24.18	7577.89	USBR
03/25/1981	24.20	7577.87	USBR
04/27/1981	24.30	7577.77	USBR
06/01/1981	24.40	7577.67	USBR
06/22/1981	24.40	7577.67	USBR
07/10/1981	24.50	7577.57	USBR
08/14/1981	24.70	7577.37	USBR
11/18/1982	25.36	7576.71	USBR
12/16/1982	25.26	7576.81	USBR
01/21/1983	25.36	7576.71	USBR
02/17/1983	25.50	7576.57	USBR
03/22/1983	25.38	7576.69	USBR
04/18/1983	25.41	7576.66	USBR
05/16/1983	25.46	7576.61	USBR
06/15/1983	25.37	7576.70	USBR
07/15/1983	25.51	7576.56	USBR
08/15/1983	25.21	7576.86	USBR
09/15/1983	25.38	7576.69	USBR
10/24/1983	25.40	7576.67	USBR
11/17/1983	25.35	7576.72	USBR
12/20/1983	25.57	7576.50	USBR
03/15/1984	25.75	7576.32	USBR
04/18/1984	25.77	7576.30	USBR
05/18/1984	25.80	7576.27	USBR
06/14/1984	25.82	7576.25	USBR
07/16/1984	25.89	7576.18	USBR
08/13/1984	26.01	7576.06	USBR
09/17/1984	26.03	7576.04	USBR
10/23/1984	26.07	7576.00	USBR
10/18/1988	27.62	7574.45	USBR
01/15/1990	27.81	7574.26	USBR
02/15/1990	27.81	7574.26	USBR
03/15/1990	27.81	7574.26	USBR
04/15/1990	27.79	7574.28	USBR
05/15/1990	27.80	7574.27	USBR
06/15/1990	27.84	7574.23	USBR
07/15/1990	27.86	7574.21	USBR
08/15/1990	27.94	7574.13	USBR
09/15/1990	27.99	7574.08	USBR
10/15/1990	28.01	7574.06	USBR
11/15/1990	28.05	7574.02	USBR
12/15/1990	28.03	7574.04	USBR
01/15/1991	27.97	7574.10	USBR
02/15/1991	27.99	7574.08	USBR
03/15/1991	28.01	7574.06	USBR
04/15/1991	28.02	7574.05	USBR
05/15/1991	28.04	7574.03	USBR
06/15/1991	28.07	7574.00	USBR
07/15/1991	28.10	7573.97	USBR
08/15/1991	28.14	7573.93	USBR
10/09/1991	28.17	7573.90	USBR
12/15/1991	28.20	7573.87	USBR
01/15/1992	28.21	7573.86	USBR
02/15/1992	28.22	7573.85	USBR
01/01/1993	28.18	7573.89	USBR
03/16/1993	28.41	7573.66	USBR
04/15/1993	28.43	7573.64	USBR
05/15/1993	28.43	7573.64	USBR
06/15/1993	28.43	7573.64	USBR
07/15/1993	28.41	7573.66	USBR
08/15/1993	28.48	7573.59	USBR
09/15/1993	28.50	7573.57	USBR
10/15/1993	28.52	7573.55	USBR
11/15/1993	28.52	7573.55	USBR
12/15/1993	28.51	7573.56	USBR
01/15/1994	28.52	7573.55	USBR
02/15/1994	28.53	7573.54	USBR
03/15/1994	28.56	7573.51	USBR
04/15/1994	28.57	7573.50	USBR
05/15/1994	28.58	7573.49	USBR
06/15/1994	28.58	7573.49	USBR
07/15/1994	28.61	7573.46	USBR
08/15/1994	28.64	7573.43	USBR
09/15/1994	28.68	7573.39	USBR
10/15/1994	28.72	7573.35	USBR
11/14/1994	28.88	7573.19	USGS
11/14/1994	28.74	7573.33	USBR
03/08/1995	28.75	7573.32	USBR
03/08/1995	28.59	7573.48	USGS
05/24/1995	27.68	7574.39	USGS
08/31/1995	28.83	7573.24	USBR
08/31/1995	28.67	7573.40	USGS
09/06/1995	28.85	7573.22	USBR
12/01/1995	28.90	7573.17	USBR
12/01/1995	28.74	7573.33	USGS
03/21/1996	29.02	7573.05	USGS
03/21/1996	28.88	7573.19	USBR
04/22/1996	28.90	7573.17	USBR
05/30/1996	29.11	7572.96	USGS
05/30/1996	28.97	7573.10	USBR
07/24/1996	29.05	7573.02	USBR
08/29/1996	29.11	7572.96	USBR
08/29/1996	29.25	7572.82	USGS
09/06/1996	29.12	7572.95	USBR
11/19/1996	29.22	7572.85	USBR
01/08/1997	29.22	7572.85	USBR
04/03/1997	29.38	7572.69	USGS
04/03/1997	29.24	7572.83	USBR
04/15/1997	29.25	7572.82	USBR
06/19/1997	29.33	7572.74	USBR
07/15/1997	29.41	7572.66	USBR
08/12/1997	29.35	7572.72	USBR
09/25/1997	29.48	7572.59	USBR
10/02/1997	29.42	7572.65	USBR
10/02/1997	29.56	7572.51	USGS
12/09/1997	29.44	7572.63	USBR
04/09/1998	29.47	7572.60	USBR
06/04/1998	29.65	7572.42	USGS
06/04/1998	29.51	7572.56	USBR
06/16/1998	29.51	7572.56	USBR
10/06/1998	29.79	7572.28	USGS
10/06/1998	29.65	7572.42	USBR
02/04/1999	29.70	7572.37	USBR
04/08/1999	29.90	7572.17	USGS
04/08/1999	29.76	7572.31	USBR
05/26/1999	29.72	7572.35	USBR
09/23/1999	29.92	7572.15	USBR
09/23/1999	30.06	7572.01	USGS
01/13/2000	29.95	7572.12	USBR
02/23/2000	29.94	7572.13	USBR
03/27/2000	29.95	7572.12	USBR
04/26/2000	29.96	7572.11	USBR
04/26/2000	30.10	7571.97	USGS
05/02/2000	29.96	7572.11	USBR
05/31/2000	30.00	7572.07	USBR
08/11/2000	30.11	7571.96	USBR
10/04/2000	30.20	7571.87	USBR
11/02/2000	30.12	7571.95	USGS
12/07/2000	30.27	7571.80	USBR
12/19/2000	30.26	7571.81	USBR
01/30/2001	30.27	7571.80	USBR
04/06/2001	30.30	7571.77	USBR
04/16/2001	30.30	7571.77	USBR
05/31/2001	30.33	7571.74	USBR
06/26/2001	30.41	7571.66	USGS,USBR
08/09/2001	30.44	7571.63	USBR
11/02/2001	30.52	7571.55	USBR
01/17/2002	30.54	7571.53	USGS,USBR
02/20/2002	30.55	7571.52	USBR
05/10/2002	30.57	7571.50	USBR
06/19/2002	30.62	7571.45	USBR
07/08/2002	30.66	7571.41	USBR
09/25/2002	30.85	7571.22	USBR
12/17/2002	30.94	7571.13	USGS,USBR
02/24/2003	30.95	7571.12	USBR
05/28/2003	31.01	7571.06	USBR
06/11/2003	31.06	7571.01	USGS,USBR
07/28/2003	31.14	7570.93	USBR
10/07/2003	31.23	7570.84	USBR
12/18/2003	31.16	7570.91	USGS
12/23/2003	31.30	7570.77	USBR
03/02/2004	31.33	7570.74	USBR
05/12/2004	31.34	7570.73	USBR
06/17/2004	31.36	7570.71	USGS
07/26/2004	31.43	7570.64	USBR
10/05/2004	31.55	7570.52	USBR
12/09/2004	31.62	7570.45	USBR
01/21/2005	31.63	7570.44	USBR
03/24/2005	31.68	7570.39	USBR
06/03/2005	31.71	7570.36	USBR
07/01/2005	32.22	7569.85	USGS
08/23/2005	31.82	7570.25	USBR
11/02/2005	31.91	7570.16	USBR
01/09/2006	31.95	7570.12	USBR
03/13/2006	31.98	7570.09	USBR
05/17/2006	32.01	7570.06	USBR
07/17/2006	32.09	7569.98	USBR
09/25/2006	32.18	7569.89	USBR
12/26/2006	32.21	7569.86	USBR
03/19/2007	32.21	7569.86	USBR

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Well NA03701216BAA1 EW-1U (EW01U)Unconfined

View Digital Orthophoto Quadrangle for this area

Water-Level Data

1970 to Present

1944 to Present

Well NA03701216BAA1 EW-1U (EW01U)
Unconfined