Well NA04101018DDD1 EW-41U (EW41U)
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Co-located Well(s):
NA04101018DDD2 EW-41C (EW41C)

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Well Information Table
Common Well ID	NA04101018DDD1 EW-41U
USBR Well ID	EW41U
USGS Well ID	374734105543501
USGS Station Name	NA04101018DDD1 EW-41U
USGS Site Type	Well
USGS Site Use Information	Observation
USGS Groundwater Use Information	Unknown
Data Source(s)	USGS, USBR
Location Data
TRS	NA04101018DDD1 EW-41U
USBR TRS	NA04101018DDD1
USGS TRS 1	NA04101018DDD1 EW-41U
Longitude/Latitude (NAD83)	-105.91032426 , 37.79284300
Longitude/Latitude Data Source	USBOR EW well locations
USGS Longitude/Latitude (NAD83)	-105.9102984 , 37.79277735
USBR Longitude/Latitude (NAD27)	-105.909748048370 , 37.7928434220064
Easting, Northing RGDSS-NAD83 (US ft)	131762.35 , 290200.86
USGS County	Saguache County
Elevation and Depth Data
Ground Elevation (ft NAVD88)	7554.95
Elevation Data Source	USBOR EW Well database
USBR Ground Elevation (ft NGVD29)	7551.1
USGS Ground Elevation (ft NGVD29)	7551.10
1/3-Arc Second NED Ground Elevation (ft NAVD88)	7556.72
1-Arc Second NED Ground Elevation (ft NAVD88)	7556.71
SRTM Ground Elevation (ft NAVD88)	7561.69
Total Depth (ft)	45.00
USBR Total Depth (ft)	45
USGS Well Depth (ft)	40.00
Model Layer	1
Model Layer Source	Dunes Layer
Depth of Bottom of Layer 1	95
Depth of Bottom of Layer 2	214
Depth of Bottom of Layer 3	1225
Depth of Bottom of Layer 4	3202
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	10/17/1983 thru 05/06/2008
Water-level Sources	RGWCD:0, USBR:254, USGS:59, 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)
10/17/1983	7.14	7547.81	USBR
11/30/1983	7.30	7547.65	USBR
12/13/1983	7.30	7547.65	USBR
01/16/1984	7.70	7547.25	USBR
02/15/1984	7.40	7547.55	USBR
03/14/1984	7.50	7547.45	USBR
04/16/1984	7.50	7547.45	USBR
06/20/1984	5.40	7549.55	USBR
07/09/1984	6.40	7548.55	USBR
08/17/1984	7.17	7547.78	USBR
09/19/1984	7.30	7547.65	USBR
10/19/1984	7.43	7547.52	USBR
11/23/1984	7.44	7547.51	USBR
12/16/1984	7.45	7547.50	USBR
01/17/1985	7.46	7547.49	USBR
02/21/1985	7.44	7547.51	USBR
03/20/1985	7.31	7547.64	USBR
04/24/1985	7.24	7547.71	USBR
05/18/1985	6.31	7548.64	USBR
07/17/1985	4.21	7550.74	USBR
08/19/1985	4.83	7550.12	USBR
09/17/1985	5.84	7549.11	USBR
10/15/1985	5.16	7549.79	USBR
11/19/1985	3.64	7551.31	USBR
12/19/1985	4.12	7550.83	USBR
01/14/1986	4.86	7550.09	USBR
02/18/1986	5.21	7549.74	USBR
03/18/1986	5.21	7549.74	USBR
04/16/1986	5.16	7549.79	USBR
05/19/1986	3.91	7551.04	USBR
09/22/1986	4.80	7550.15	USBR
10/24/1986	4.78	7550.17	USBR
11/22/1986	4.72	7550.23	USBR
01/20/1987	4.33	7550.62	USBR
02/25/1987	4.33	7550.62	USBR
03/20/1987	3.88	7551.07	USBR
04/30/1987	3.42	7551.53	USBR
05/28/1987	3.16	7551.79	USBR
06/27/1987	3.82	7551.13	USBR
08/03/1987	5.05	7549.90	USBR
09/24/1987	6.46	7548.49	USBR
10/23/1987	6.58	7548.37	USBR
11/20/1987	6.67	7548.28	USBR
12/29/1987	6.65	7548.30	USBR
01/26/1988	6.67	7548.28	USBR
05/25/1988	6.57	7548.38	USBR
06/15/1988	6.03	7548.92	USBR
07/15/1988	7.01	7547.94	USBR
08/15/1988	7.85	7547.10	USBR
10/13/1988	8.41	7546.54	USBR
11/03/1988	8.29	7546.66	USBR
12/15/1988	8.14	7546.81	USBR
02/15/1989	8.05	7546.90	USBR
03/15/1989	7.98	7546.97	USBR
04/15/1989	7.93	7547.02	USBR
05/15/1989	7.85	7547.10	USBR
06/15/1989	8.12	7546.83	USBR
07/15/1989	8.65	7546.30	USBR
08/15/1989	9.43	7545.52	USBR
09/15/1989	10.22	7544.73	USBR
10/15/1989	10.08	7544.87	USBR
11/15/1989	9.88	7545.07	USBR
12/15/1989	9.74	7545.21	USBR
01/15/1990	9.66	7545.29	USBR
02/15/1990	9.57	7545.38	USBR
03/15/1990	9.50	7545.45	USBR
04/15/1990	9.50	7545.45	USBR
05/15/1990	9.48	7545.47	USBR
06/19/1990	9.41	7545.54	USBR
07/15/1990	10.29	7544.66	USBR
08/15/1990	10.70	7544.25	USBR
09/15/1990	11.09	7543.86	USBR
10/15/1990	10.89	7544.06	USBR
11/15/1990	10.62	7544.33	USBR
12/15/1990	10.45	7544.50	USBR
01/15/1991	10.30	7544.65	USBR
02/15/1991	10.20	7544.75	USBR
03/15/1991	10.14	7544.81	USBR
04/15/1991	10.29	7544.66	USBR
05/15/1991	9.95	7545.00	USBR
06/15/1991	9.61	7545.34	USBR
07/15/1991	10.69	7544.26	USBR
08/15/1991	11.05	7543.90	USBR
10/10/1991	11.07	7543.88	USBR
11/15/1991	10.91	7544.04	USBR
12/15/1991	10.76	7544.19	USBR
01/15/1992	10.66	7544.29	USBR
02/15/1992	10.58	7544.37	USBR
03/15/1992	10.52	7544.43	USBR
04/15/1992	10.26	7544.69	USBR
05/15/1992	9.89	7545.06	USBR
06/15/1992	10.10	7544.85	USBR
07/15/1992	10.75	7544.20	USBR
08/15/1992	11.38	7543.57	USBR
09/15/1992	11.19	7543.76	USBR
10/15/1992	10.96	7543.99	USBR
11/15/1992	10.88	7544.07	USBR
12/15/1992	10.79	7544.16	USBR
01/15/1993	10.73	7544.22	USBR
02/15/1993	10.66	7544.29	USBR
03/12/1993	10.78	7544.17	USBR
04/15/1993	10.73	7544.22	USBR
05/15/1993	10.80	7544.15	USBR
06/15/1993	9.40	7545.55	USBR
07/15/1993	9.83	7545.12	USBR
08/15/1993	11.07	7543.88	USBR
09/15/1993	11.32	7543.63	USBR
10/15/1993	11.27	7543.68	USBR
11/15/1993	11.24	7543.71	USBR
12/15/1993	11.19	7543.76	USBR
01/15/1994	11.18	7543.77	USBR
02/15/1994	11.14	7543.81	USBR
06/29/1995	8.71	7546.24	USGS
06/29/1995	6.37	7548.58	USBR
08/30/1995	7.85	7547.10	USBR
08/30/1995	10.19	7544.76	USGS
10/31/1995	8.71	7546.24	USBR
10/31/1995	11.05	7543.90	USGS
01/11/1996	9.23	7545.72	USBR
01/11/1996	11.57	7543.38	USGS
03/20/1996	11.68	7543.27	USGS
03/20/1996	9.34	7545.61	USBR
04/22/1996	9.61	7545.34	USBR
05/01/1996	9.72	7545.23	USBR
06/03/1996	10.28	7544.67	USBR
06/27/1996	13.41	7541.54	USGS
06/27/1996	11.07	7543.88	USBR
07/02/1996	11.25	7543.70	USBR
08/28/1996	12.76	7542.19	USBR
09/15/1996	12.80	7542.15	USBR
09/26/1996	12.76	7542.19	USBR
09/26/1996	15.10	7539.85	USGS
10/31/1996	12.63	7542.32	USBR
11/15/1996	12.61	7542.34	USBR
12/15/1996	12.49	7542.46	USBR
01/22/1997	12.45	7542.50	USBR
03/07/1997	14.72	7540.23	USGS
03/07/1997	12.38	7542.57	USBR
04/28/1997	12.49	7542.46	USBR
06/04/1997	12.92	7542.03	USBR
08/14/1997	10.05	7544.90	USBR
08/27/1997	10.93	7544.02	USBR
08/27/1997	13.27	7541.68	USGS
09/25/1997	11.66	7543.29	USBR
10/23/1997	11.70	7543.25	USBR
11/15/1997	11.68	7543.27	USBR
12/15/1997	11.67	7543.28	USBR
01/15/1998	11.66	7543.29	USBR
02/04/1998	11.66	7543.29	USBR
04/16/1998	11.54	7543.41	USBR
04/16/1998	13.88	7541.07	USGS
05/15/1998	11.84	7543.11	USBR
06/26/1998	13.06	7541.89	USBR
07/15/1998	14.38	7540.57	USBR
08/15/1998	15.34	7539.61	USBR
09/02/1998	18.36	7536.59	USGS
09/02/1998	16.02	7538.93	USBR
09/25/1998	16.16	7538.79	USBR
10/23/1998	15.79	7539.16	USBR
11/15/1998	15.65	7539.30	USBR
12/15/1998	15.41	7539.54	USBR
01/11/1999	15.14	7539.81	USBR
02/15/1999	14.93	7540.02	USBR
03/10/1999	14.75	7540.20	USBR
03/10/1999	17.09	7537.86	USGS
04/27/1999	14.79	7540.16	USBR
05/15/1999	14.81	7540.14	USBR
06/15/1999	12.89	7542.06	USBR
07/15/1999	13.02	7541.93	USBR
08/15/1999	13.58	7541.37	USBR
09/15/1999	13.04	7541.91	USBR
10/15/1999	13.38	7541.57	USBR
11/15/1999	13.44	7541.51	USBR
12/15/1999	13.10	7541.85	USBR
01/11/2000	13.32	7541.63	USBR
03/02/2000	15.55	7539.40	USGS
03/02/2000	13.21	7541.74	USBR
04/12/2000	13.20	7541.75	USBR
05/18/2000	13.44	7541.51	USBR
06/21/2000	15.26	7539.69	USGS,USBR
07/20/2000	16.45	7538.50	USGS,USBR
08/17/2000	17.10	7537.85	USGS,USBR
09/20/2000	17.21	7537.74	USGS,USBR
10/26/2000	17.01	7537.94	USGS,USBR
11/17/2000	16.73	7538.22	USBR
02/08/2001	16.14	7538.81	USGS
03/06/2001	15.91	7539.04	USBR
03/26/2001	15.95	7539.00	USBR
04/10/2001	15.90	7539.05	USBR
05/30/2001	14.43	7540.52	USGS,USBR
06/26/2001	15.69	7539.26	USGS,USBR
07/12/2001	16.01	7538.94	USBR
07/25/2001	16.40	7538.55	USGS,USBR
08/22/2001	16.93	7538.02	USGS,USBR
09/20/2001	16.94	7538.01	USGS,USBR
10/24/2001	16.95	7538.00	USBR
10/24/2001	16.75	7538.20	USGS
01/15/2002	16.35	7538.60	USBR
02/14/2002	16.23	7538.72	USGS
02/15/2002	16.23	7538.72	USBR
03/15/2002	16.14	7538.81	USBR
03/27/2002	16.10	7538.85	USBR
04/15/2002	16.53	7538.42	USBR
05/15/2002	17.21	7537.74	USGS,USBR
06/15/2002	18.21	7536.74	USBR
07/15/2002	19.14	7535.81	USBR
07/17/2002	19.21	7535.74	USBR
07/19/2002	19.23	7535.72	USGS
08/14/2002	19.77	7535.18	USGS
08/15/2002	19.81	7535.14	USBR
09/12/2002	20.07	7534.88	USGS
09/15/2002	20.09	7534.86	USBR
10/11/2002	19.97	7534.98	USGS
10/15/2002	19.95	7535.00	USBR
11/15/2002	19.65	7535.30	USBR
12/15/2002	19.46	7535.49	USBR
01/15/2003	19.30	7535.65	USBR
02/15/2003	19.21	7535.74	USBR
03/15/2003	19.08	7535.87	USBR
04/05/2003	19.00	7535.95	USBR
04/15/2003	18.99	7535.96	USBR
05/13/2003	19.43	7535.52	USGS
05/15/2003	19.51	7535.44	USBR
06/12/2003	20.02	7534.93	USGS
06/15/2003	20.15	7534.80	USBR
07/10/2003	20.68	7534.27	USGS
07/15/2003	20.88	7534.07	USBR
07/24/2003	21.16	7533.79	USBR
08/07/2003	21.39	7533.56	USGS
08/15/2003	21.58	7533.37	USBR
09/04/2003	21.69	7533.26	USGS
09/15/2003	21.64	7533.31	USBR
10/07/2003	21.39	7533.56	USGS
10/15/2003	21.39	7533.56	USBR
11/15/2003	21.16	7533.79	USBR
12/15/2003	20.94	7534.01	USBR
01/15/2004	20.77	7534.18	USBR
02/15/2004	20.63	7534.32	USBR
03/15/2004	20.55	7534.40	USBR
04/08/2004	20.44	7534.51	USBR
04/15/2004	20.43	7534.52	USBR
05/15/2004	20.82	7534.13	USBR
05/18/2004	20.89	7534.06	USGS
06/15/2004	21.53	7533.42	USBR
06/16/2004	21.58	7533.37	USGS
07/15/2004	22.41	7532.54	USBR
07/20/2004	22.54	7532.41	USGS
08/12/2004	22.97	7531.98	USBR
08/15/2004	23.03	7531.92	USBR
08/18/2004	23.09	7531.86	USGS
09/15/2004	23.28	7531.67	USBR
09/21/2004	23.21	7531.74	USGS
10/15/2004	22.96	7531.99	USBR
10/27/2004	22.87	7532.08	USGS
11/15/2004	22.69	7532.26	USBR
12/15/2004	22.49	7532.46	USBR
01/15/2005	22.31	7532.64	USBR
02/15/2005	22.17	7532.78	USBR
03/15/2005	22.06	7532.89	USBR
04/08/2005	21.97	7532.98	USBR
04/15/2005	21.97	7532.98	USBR
05/15/2005	22.16	7532.79	USBR
05/26/2005	22.28	7532.67	USGS
06/15/2005	22.60	7532.35	USBR
06/30/2005	23.02	7531.93	USGS
07/15/2005	23.59	7531.36	USBR
07/21/2005	23.79	7531.16	USBR
07/29/2005	24.01	7530.94	USGS
08/15/2005	24.44	7530.51	USBR
08/24/2005	24.51	7530.44	USGS
09/15/2005	24.41	7530.54	USBR
09/21/2005	24.30	7530.65	USGS
10/15/2005	24.12	7530.83	USBR
10/21/2005	24.03	7530.92	USGS
11/15/2005	23.87	7531.08	USBR
12/15/2005	23.64	7531.31	USBR
01/15/2006	23.48	7531.47	USBR
02/15/2006	23.34	7531.61	USBR
02/17/2006	27.87	7527.08	USGS
03/15/2006	23.24	7531.71	USBR
04/15/2006	23.22	7531.73	USBR
05/11/2006	23.52	7531.43	USGS
05/15/2006	23.61	7531.34	USBR
06/15/2006	24.28	7530.67	USBR
07/15/2006	24.96	7529.99	USBR
08/15/2006	25.32	7529.63	USBR
08/22/2006	25.36	7529.59	USGS
09/14/2006	25.21	7529.74	USBR
09/15/2006	25.21	7529.74	USBR
10/15/2006	25.01	7529.94	USBR
11/14/2006	24.83	7530.12	USGS
11/15/2006	24.82	7530.13	USBR
12/15/2006	24.62	7530.33	USBR
01/15/2007	24.45	7530.50	USBR
02/15/2007	24.29	7530.66	USBR
02/16/2007	24.28	7530.67	USGS
03/15/2007	24.17	7530.78	USBR
05/09/2007	24.03	7530.92	USGS
08/08/2007	25.18	7529.77	USGS
11/06/2007	24.92	7530.03	USGS
02/13/2008	24.28	7530.67	USGS
05/06/2008	24.26	7530.69	USGS

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Well NA04101018DDD1 EW-41U (EW41U)Unconfined

View Digital Orthophoto Quadrangle for this area

Water-Level Data

1970 to Present

1944 to Present

Well NA04101018DDD1 EW-41U (EW41U)
Unconfined