Well NA03901116AAA1 EW-20U (EW20U) | ||
Co-located Well(s):
NA03901116AAA2 EW-20C (EW20C) |
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Well Information Table | |
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Common Well ID | NA03901116AAA1 EW-20U |
USBR Well ID | EW20U |
USGS Well ID | 373802105455201 |
GSDNP Well Name | 373802105455201 |
USGS Station Name | NA03901116AAA1 EW-20U |
USGS Construction Date | 10/23/1980 |
USGS Site Type | Well |
USGS Site Use Information | Observation |
USGS Groundwater Use Information | Unused |
Data Source(s) | USGS, USBR |
Location Data | |
TRS | NA03901116AAA1 EW-20U |
USBR TRS | NA03901116AAA1 |
USGS TRS 1 | NA03901116AAA1 EW-20U |
Longitude/Latitude (NAD83) | -105.76497632 , 37.63419643 |
Longitude/Latitude Data Source | USBOR EW well locations |
USGS Longitude/Latitude (NAD83) | -105.7650189 , 37.63389090 |
USBR Longitude/Latitude (NAD27) | -105.764401886567 , 37.6341944004732 |
Easting, Northing RGDSS-NAD83 (US ft) | 173689.47 , 232373.55 |
USGS Topography | Valley flat |
USGS County | Alamosa County |
USGS Map Name | HOOPER EAST |
USGS Map Scale | 24000 |
Elevation and Depth Data | |
Ground Elevation (ft NAVD88) | 7525.97 |
Elevation Data Source | USBOR EW well database |
USBR Ground Elevation (ft NGVD29) | 7522.0 |
USGS Ground Elevation (ft NGVD29) | 7522.20 |
1/3-Arc Second NED Ground Elevation (ft NAVD88) | 7526.80 |
1-Arc Second NED Ground Elevation (ft NAVD88) | 7525.76 |
SRTM Ground Elevation (ft NAVD88) | 7533.16 |
Total Depth (ft) | 41.00 |
USBR Total Depth (ft) | 41 |
USGS Hole Depth (ft) | 128.00 |
USGS Well Depth (ft) | 39.00 |
Model Layer | 1 |
Model Layer Source | Aquifer Type |
Depth of Bottom of Layer 1 | 83 |
Depth of Bottom of Layer 2 | 400 |
Depth of Bottom of Layer 3 | 1255 |
Depth of Bottom of Layer 4 | 2538 |
Additional Well Information | Logs, Construction |
Aquifer Information | |
Aquifer Type | Unconfined |
Aquifer Type Source | EW_AQFR |
USGS Hydrologic Unit | San Luis |
USGS Data Available | Water-level (GW.LEV) |
Water-level Database Information | |
Water-level Count | 634 |
Water-level Date Range | 10/14/1980 thru 07/15/2024 |
Monitored within the last 18 months | Yes, most recently on 07/15/2024 |
Depth-to-Water Range (ft) | 3.52 to 7.52 |
Water Table Elevation Range (ft NAVD88) | 7518.45 to 7522.45 |
Water-Level-Source:Number-of-Measurements | USGS:361 USBR:287 |