Well NA04001207ADC2 EW-31C (EW31C)
Confined

Co-located Well(s):
NA04001207ADC1 EW-31U (EW31U)

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Well Information Table
Common Well IDNA04001207ADC2 EW-31C
USBR Well IDEW31C
USGS Well ID374345105414002
GSDNP Well Name374345105414002
USGS Station NameNA04001207ADC2 EW-31C
USGS Construction Date09/04/1982
USGS Site TypeWell
USGS Site Use InformationObservation
USGS Groundwater Use InformationUnknown
Data Source(s)USGS, USBR
Location Data
TRSNA04001207ADC2 EW-31C
USBR TRSNA04001207ADC2
USGS TRS 1NA04001207ADC2 EW-31C
Longitude/Latitude (NAD83)-105.69493192 , 37.72927722
Longitude/Latitude Data SourceUSBOR EW well locations
USGS Longitude/Latitude (NAD83)-105.6950168 , 37.72916710
USBR Longitude/Latitude (NAD27)-105.694359529708 , 37.7292767843257
Easting, Northing RGDSS-NAD83 (US ft)193976.60 , 266970.80
USGS TopographyValley flat
USGS CountyAlamosa County
USGS Map NameMEDANO RANCH
USGS Map Scale24000
Elevation and Depth Data
Ground Elevation (ft NAVD88)7558.46
Elevation Data SourceUSBOR EW well database
USBR Ground Elevation (ft NGVD29)7554.3
USGS Ground Elevation (ft NGVD29)7554.30
1/3-Arc Second NED Ground Elevation (ft NAVD88)7558.75
1-Arc Second NED Ground Elevation (ft NAVD88)7557.20
SRTM Ground Elevation (ft NAVD88)7562.65
Total Depth (ft)139.00
USBR Total Depth (ft)139
USGS Hole Depth (ft)150.00
USGS Well Depth (ft)135.00
Model Layer2
Model Layer SourceAquifer Type
Depth of Bottom of Layer 1142
Depth of Bottom of Layer 2464
Depth of Bottom of Layer 31530
Depth of Bottom of Layer 43487
Additional Well InformationLogs, Construction
Aquifer Information
Aquifer TypeConfined
Aquifer Type SourceEW_AQFR
USGS Hydrologic UnitSan Luis
USGS Data AvailableWater-level (GW.LEV)
Water-level Database Information
Water-level Count470
Water-level Date Range09/11/1982 thru 09/14/2024
Monitored within the last 18 monthsYes, most recently on 09/14/2024
Depth-to-Water Range (ft)-1.69 to 3.60
Water Table Elevation Range (ft NAVD88)7554.86 to 7560.15
Water-Level-Source:Number-of-MeasurementsUSGS:26 USBR:461

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Water-level Data

2019 to Present

1967 to Present

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Measurement DateDepth to
Water (ft)
Elevation
(ft NAVD88)
Data
Source(s)
09/11/19822.107556.36USBR
11/04/19821.807556.66USBR
11/30/19820.607557.86USBR
12/21/19820.407558.06USBR
01/18/19832.007556.46USBR
02/15/19831.507556.96USBR
03/24/19830.107558.36USBR
04/21/19830.307558.16USBR
05/19/19830.507557.96USBR
09/20/19832.207556.26USBR
10/19/19831.107557.36USBR
11/16/19830.907557.56USBR
07/11/19840.507557.96USBR
08/30/19841.787556.68USBR
09/30/19840.877557.59USBR
10/17/19841.127557.34USBR
11/20/19840.207558.26USBR
12/19/1984-0.137558.59USBR
01/18/1985-0.217558.67USBR
03/15/19850.207558.26USBR
05/22/19850.037558.43USBR
06/19/19850.207558.26USBR
07/19/19850.957557.51USBR
08/16/19852.207556.26USBR
09/16/19852.397556.07USBR
10/23/19852.307556.16USBR
02/18/1986-0.697559.15USBR
03/25/1986-1.697560.15USBR
04/16/1986-1.617560.07USBR
05/21/1986-0.867559.32USBR
10/21/19860.647557.82USBR
11/25/19860.397558.07USBR
06/16/19870.947557.52USBR
07/28/19872.397556.07USBR
08/24/19872.717555.75USBR
09/16/19872.567555.90USBR
10/20/19872.437556.03USBR
11/18/19872.057556.41USBR
12/16/19871.917556.55USBR
01/20/19881.867556.60USBR
02/23/19881.747556.72USBR
03/16/19881.357557.11USBR
05/25/19880.897557.57USBR
06/15/19881.267557.20USBR
07/15/19881.807556.66USBR
08/15/19882.377556.09USBR
10/26/19882.337556.13USBR
12/29/19881.937556.53USBR
02/15/19891.677556.79USBR
03/15/19891.177557.29USBR
04/15/19891.077557.39USBR
05/15/19891.127557.34USBR
06/15/19891.377557.09USBR
07/15/19892.067556.40USBR
08/15/19892.217556.25USBR
09/15/19892.307556.16USBR
10/15/19891.867556.60USBR
11/15/19891.707556.76USBR
12/15/19891.727556.74USBR
01/15/19901.757556.71USBR
02/15/19901.617556.85USBR
03/15/19900.837557.63USBR
04/15/19900.637557.83USBR
05/15/19900.617557.85USBR
06/15/19901.167557.30USBR
07/15/19901.707556.76USBR
08/15/19902.297556.17USBR
09/15/19902.167556.30USBR
10/15/19901.497556.97USBR
11/15/19900.987557.48USBR
12/15/19900.857557.61USBR
01/15/19910.547557.92USBR
02/15/19910.457558.01USBR
03/15/1991-0.357558.81USBR
04/15/1991-0.587559.04USBR
05/15/1991-0.347558.80USBR
06/15/1991-0.467558.92USBR
07/15/19910.387558.08USBR
10/10/19912.087556.38USBR
08/15/19921.977556.49USBR
09/15/19921.757556.71USBR
10/15/19921.787556.68USBR
11/15/19921.487556.98USBR
12/15/19921.317557.15USBR
01/15/19931.367557.10USBR
02/15/19931.087557.38USBR
03/15/19930.257558.21USBR
04/15/19930.147558.32USBR
05/15/19930.567557.90USBR
06/15/19930.737557.73USBR
07/15/19931.317557.15USBR
08/15/19931.637556.83USBR
09/15/19930.977557.49USBR
10/15/19931.197557.27USBR
11/15/19930.907557.56USBR
12/15/19930.727557.74USBR
01/15/19940.877557.59USBR
02/15/19940.307558.16USBR
03/15/1994-0.217558.67USBR
04/15/1994-0.087558.54USBR
05/15/1994-0.057558.51USBR
06/15/19940.757557.71USBR
07/15/19941.887556.58USBR
08/15/19942.097556.37USBR
09/15/19942.007556.46USBR
10/15/19941.637556.83USBR
11/15/19941.447557.02USGS,USBR
12/15/19941.387557.08USBR
01/15/19951.117557.35USBR
02/15/19950.637557.83USBR
03/15/19950.547557.92USBR
04/21/19950.467558.00USGS,USBR
05/15/19950.987557.48USBR
06/15/19950.887557.58USBR
07/19/19950.997557.47USGS,USBR
08/15/19951.927556.54USBR
09/15/19951.867556.60USBR
10/15/19951.647556.82USBR
11/01/19951.437557.03USGS,USBR
11/15/19951.447557.02USBR
12/15/19951.137557.33USBR
01/11/19961.127557.34USGS,USBR
02/15/19960.797557.67USGS,USBR
03/15/19960.527557.94USBR
04/25/19960.717557.75USGS,USBR
06/06/19961.487556.98USBR
07/09/19961.927556.54USBR
07/31/19962.237556.23USGS,USBR
09/05/19962.497555.97USBR
11/05/19961.837556.63USBR
11/26/19961.637556.83USBR
01/15/19971.407557.06USBR
03/07/19970.857557.61USGS,USBR
04/25/19970.967557.50USBR
06/03/19971.177557.29USBR
08/28/19971.897556.57USGS,USBR
09/04/19972.037556.43USBR
10/15/19971.757556.71USBR
11/15/19971.347557.12USBR
12/12/19971.237557.23USBR
02/02/19981.127557.34USBR
04/14/19980.477557.99USGS,USBR
05/06/19980.937557.53USBR
05/19/19981.147557.32USBR
05/21/19981.287557.18USBR
06/22/19981.597556.87USBR
08/27/19981.627556.84USBR
10/08/19982.147556.32USGS,USBR
10/14/19982.157556.31USBR
01/21/19991.237557.23USBR
03/01/19990.857557.61USBR
05/19/19990.747557.72USBR
09/21/19991.677556.79USGS,USBR
01/12/20001.407557.06USBR
01/20/20001.257557.21USBR
04/25/20000.877557.59USGS,USBR
05/19/20001.287557.18USBR
06/14/20001.757556.71USBR
07/15/20002.087556.38USBR
08/15/20002.757555.71USBR
09/08/20002.827555.64USBR
10/15/20002.527555.94USBR
11/02/20002.307556.16USGS
11/27/20002.107556.36USBR
12/15/20001.907556.56USBR
01/15/20011.757556.71USBR
02/15/20011.607556.86USBR
03/15/20011.037557.43USBR
03/29/20010.887557.58USBR
04/16/20011.177557.29USBR
05/01/20011.257557.21USGS,USBR
05/15/20011.067557.40USBR
06/15/20011.717556.75USBR
07/19/20012.367556.10USBR
08/15/20012.617555.85USBR
09/15/20012.817555.65USBR
10/04/20012.807555.66USBR
10/25/20012.587555.88USGS,USBR
11/15/20012.337556.13USBR
12/03/20012.197556.27USBR
12/15/20012.197556.27USBR
01/15/20022.077556.39USBR
02/15/20021.897556.57USBR
03/15/20021.577556.89USBR
04/15/20021.497556.97USBR
05/15/20021.737556.73USGS,USBR
06/15/20022.397556.07USBR
07/15/20022.857555.61USBR
08/15/20023.267555.20USBR
09/07/20023.497554.97USBR
09/15/20023.407555.06USBR
10/15/20022.937555.53USBR
11/14/20022.607555.86USGS
11/15/20022.597555.87USBR
12/15/20022.387556.08USBR
01/15/20032.177556.29USBR
02/15/20032.007556.46USBR
03/15/20031.767556.70USBR
04/15/20031.407557.06USBR
04/16/20031.457557.01USGS
05/15/20031.707556.76USBR
06/15/20031.907556.56USBR
07/15/20032.717555.75USBR
08/15/20033.347555.12USBR
08/26/20033.507554.96USBR
09/15/20033.417555.05USBR
10/07/20033.347555.12USGS
10/15/20033.237555.23USBR
11/15/20032.867555.60USBR
12/15/20032.547555.92USBR
01/15/20042.407556.06USBR
01/15/20042.377556.09USGS
02/15/20042.227556.24USBR
03/15/20041.977556.49USBR
04/13/20041.757556.71USGS
04/15/20041.767556.70USBR
05/15/20041.917556.55USBR
06/15/20042.297556.17USBR
07/15/20042.927555.54USBR
07/21/20042.857555.61USGS
08/15/20043.207555.26USBR
09/15/20043.567554.90USBR
10/15/20043.127555.34USBR
10/26/20043.007555.46USGS
11/15/20042.787555.68USBR
12/15/20042.477555.99USBR
01/15/20052.327556.14USBR
02/15/20052.097556.37USBR
03/15/20051.707556.76USBR
04/15/20051.577556.89USBR
05/04/20051.377557.09USBR
05/15/20051.557556.91USBR
06/15/20051.987556.48USBR
07/15/20052.667555.80USBR
07/27/20052.867555.60USGS
08/15/20053.177555.29USBR
09/15/20053.547554.92USBR
09/20/20053.607554.86USBR
10/15/20053.217555.25USBR
11/15/20052.807555.66USBR
12/15/20052.567555.90USBR
01/05/20062.347556.12USBR
01/15/20062.317556.15USBR
02/15/20062.147556.32USBR
03/15/20061.957556.51USBR
04/15/20061.817556.65USBR
04/21/20061.767556.70USBR
05/15/20062.077556.39USBR
06/15/20062.677555.79USBR
07/15/20062.917555.55USBR
07/24/20062.937555.53USBR
08/15/20062.667555.80USBR
09/08/20062.897555.57USBR
09/15/20062.997555.47USBR
10/15/20062.597555.87USBR
11/15/20062.127556.34USBR
12/15/20061.937556.53USBR
01/15/20071.817556.65USBR
02/15/20071.687556.78USBR
03/15/20071.277557.19USBR
04/15/20070.907557.56USBR
05/15/20071.177557.29USBR
06/15/20071.397557.07USBR
07/15/20072.227556.24USBR
08/15/20072.707555.76USBR
09/15/20073.177555.29USBR
10/15/20072.907555.56USBR
11/15/20072.547555.92USBR
12/15/20072.117556.35USBR
01/15/20081.997556.47USBR
02/15/20081.967556.50USBR
03/15/20081.437557.03USBR
04/15/20081.397557.07USBR
05/15/20081.677556.79USBR
06/15/20081.977556.49USBR
07/15/20082.377556.09USBR
08/15/20082.827555.64USBR
09/15/20083.137555.33USBR
10/15/20083.057555.41USBR
11/15/20082.607555.86USBR
12/15/20082.317556.15USBR
01/15/20092.247556.22USBR
02/15/20092.017556.45USBR
03/15/20091.727556.74USBR
04/15/20091.447557.02USBR
05/15/20091.587556.88USBR
06/15/20091.607556.86USBR
07/15/20091.727556.74USBR
08/15/20092.477555.99USBR
09/15/20092.627555.84USBR
10/15/20092.347556.12USBR
11/15/20092.047556.42USBR
12/15/20092.057556.41USBR
01/15/20101.957556.51USBR
02/15/20101.697556.77USBR
03/15/20101.367557.10USBR
04/15/20101.227557.24USBR
05/15/20101.507556.96USBR
06/15/20101.737556.73USBR
07/15/20102.407556.06USBR
08/15/20102.527555.94USBR
09/15/20103.027555.44USBR
10/15/20102.737555.73USBR
11/15/20102.347556.12USBR
12/15/20102.077556.39USBR
01/15/20112.077556.39USBR
02/15/20111.817556.65USBR
03/15/20111.417557.05USBR
04/15/20111.537556.93USBR
05/15/20111.547556.92USBR
06/15/20111.927556.54USBR
07/15/20112.377556.09USBR
08/15/20112.627555.84USBR
09/15/20112.997555.47USBR
10/15/20112.437556.03USBR
11/15/20112.177556.29USBR
12/15/20112.257556.21USBR
01/15/20122.427556.04USBR
02/15/20122.487555.98USBR
03/15/20121.777556.69USBR
04/15/20122.037556.43USBR
05/15/20121.407557.06USBR
06/15/20122.217556.25USBR
07/15/20122.707555.76USBR
08/15/20123.097555.37USBR
09/15/20123.207555.26USBR
10/15/20123.037555.43USBR
11/15/20122.677555.79USBR
12/15/20122.267556.20USBR
01/15/20132.217556.25USBR
02/15/20132.027556.44USBR
03/15/20131.887556.58USBR
04/15/20131.867556.60USBR
05/15/20131.657556.81USBR
06/15/20131.677556.79USBR
07/15/20132.147556.32USBR
08/15/20132.877555.59USBR
09/15/20133.017555.45USBR
10/15/20132.517555.95USBR
11/15/20132.317556.15USBR
12/15/20132.217556.25USBR
01/15/20142.137556.33USBR
02/15/20141.947556.52USBR
03/15/20141.247557.22USBR
04/15/20141.227557.24USBR
05/15/20141.427557.04USBR
06/15/20141.747556.72USBR
07/15/20142.397556.07USBR
08/15/20142.467556.00USBR
09/15/20142.937555.53USBR
10/15/20142.617555.85USBR
11/15/20142.377556.09USBR
12/15/20142.127556.34USBR
01/15/20151.977556.49USBR
02/15/20151.537556.93USBR
03/15/20151.327557.14USBR
04/15/20151.437557.03USBR
05/15/20151.227557.24USBR
06/15/20151.177557.29USBR
07/15/20151.127557.34USBR
08/15/20151.657556.81USBR
09/15/20152.317556.15USBR
10/15/20152.467556.00USBR
11/15/20151.987556.48USBR
12/15/20151.797556.67USBR
01/15/20161.667556.80USBR
02/15/20161.367557.10USBR
03/15/20160.937557.53USBR
04/15/20161.077557.39USBR
05/15/20160.957557.51USBR
06/15/20161.537556.93USBR
07/15/20162.487555.98USBR
08/15/20162.677555.79USBR
09/15/20162.987555.48USBR
10/15/20162.797555.67USBR
11/15/20162.437556.03USBR
12/15/20162.167556.30USBR
01/15/20171.907556.56USBR
02/15/20171.637556.83USBR
03/15/20171.467557.00USBR
04/15/20171.287557.18USBR
05/15/20171.357557.11USBR
06/15/20171.807556.66USBR
07/15/20172.477555.99USBR
08/15/20172.277556.19USBR
09/15/20172.717555.75USBR
10/15/20172.347556.12USBR
11/15/20172.127556.34USBR
12/15/20171.937556.53USBR
01/15/20181.827556.64USBR
02/15/20181.687556.78USBR
03/15/20181.647556.82USBR
04/15/20181.507556.96USBR
05/15/20181.627556.84USBR
06/15/20181.997556.47USBR
07/15/20182.487555.98USBR
08/15/20183.267555.20USBR
09/15/20183.357555.11USBR
10/15/20183.207555.26USBR
11/15/20182.757555.71USBR
12/15/20182.477555.99USBR
01/15/20192.227556.24USBR
02/15/20192.027556.44USBR
03/15/20191.827556.64USBR
04/15/20191.737556.73USBR
05/15/20191.467557.00USBR
06/15/20191.747556.72USBR
07/15/20192.097556.37USBR
08/15/20192.807555.66USBR
09/15/20193.307555.16USBR
10/15/20193.147555.32USBR
11/15/20192.767555.70USBR
12/15/20192.477555.99USBR
01/15/20202.387556.08USBR
02/15/20202.137556.33USBR
03/15/20202.047556.42USBR
04/15/20202.127556.34USBR
05/15/20202.017556.45USBR
06/15/20202.077556.39USBR
07/15/20202.627555.84USBR
08/15/20203.207555.26USBR
09/15/20203.257555.21USBR
10/15/20202.947555.52USBR
11/15/20202.657555.81USBR
12/15/20202.427556.04USBR
01/15/20212.317556.15USBR
02/15/20212.057556.41USBR
03/15/20211.927556.54USBR
04/15/20211.967556.50USBR
05/15/20211.987556.48USBR
06/15/20211.857556.61USBR
07/15/20212.067556.40USBR
08/15/20212.407556.06USBR
09/15/20213.157555.31USBR
10/15/20213.107555.36USBR
11/15/20212.737555.73USBR
12/15/20212.477555.99USBR
01/15/20222.307556.16USBR
02/15/20222.137556.33USBR
03/15/20222.057556.41USBR
04/15/20221.987556.48USBR
05/15/20222.047556.42USBR
06/15/20222.387556.08USBR
07/15/20222.547555.92USBR
08/15/20222.727555.74USBR
09/15/20222.987555.48USBR
10/15/20222.897555.57USBR
11/15/20222.657555.81USBR
12/15/20222.417556.05USBR
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