Well NA04001106DAD3 EW-71U (EW71U) | ||
| Co-located Well(s):
 NA04001106DAD EW-71C (EW71C)  | 
||
| 
 Home | Well Information | Hydrograph | Water Level Data Table 
  | 
![]()  | 
Index Map showing model domain. Green shaded area Click on map  | 
| Well Information Table | |
|---|---|
| Common Well ID | NA04001106DAD3 EW-71U | 
| USBR Well ID | EW71U | 
| USGS Well ID | 374428105480403 | 
| USGS Station Name | NA04001106DAD3 EW-71U | 
| USGS Construction Date | 06/05/2002 | 
| USGS Site Type | Well | 
| USGS Site Use Information | Observation | 
| USGS Groundwater Use Information | Unused | 
| Data Source(s) | USGS, USBR | 
| Location Data | |
| TRS | NA04001106DAD3 EW-71U | 
| USBR TRS | NA04001106DAD3 | 
| USGS TRS 1 | NA04001106DAD3 EW-71U | 
| Longitude/Latitude (NAD83) | -105.80290614 , 37.74160509 | 
| Longitude/Latitude Data Source | USBOR EW well locations | 
| USGS Longitude/Latitude (NAD83) | -105.8016861 , 37.74111097 | 
| USBR Longitude/Latitude (NAD27) | -105.802331117320 , 37.7416052415759 | 
| Easting, Northing RGDSS-NAD83 (US ft) | 162765.67 , 271485.77 | 
| USGS County | Alamosa County | 
| USGS Map Name | HOOPER EAST | 
| USGS Map Scale | 24000 | 
| Elevation and Depth Data | |
| Ground Elevation (ft NAVD88) | 7535.24 | 
| Elevation Data Source | USBOR EW well database | 
| USBR Ground Elevation (ft NGVD29) | 7531.3 | 
| USGS Ground Elevation (ft NGVD29) | 7531.30 | 
| 1/3-Arc Second NED Ground Elevation (ft NAVD88) | 7535.19 | 
| 1-Arc Second NED Ground Elevation (ft NAVD88) | 7535.68 | 
| SRTM Ground Elevation (ft NAVD88) | 7542.96 | 
| Total Depth (ft) | 17.00 | 
| USBR Total Depth (ft) | 17 | 
| USGS Well Depth (ft) | 16.80 | 
| Model Layer | 1 | 
| Model Layer Source | Aquifer Type | 
| Depth of Bottom of Layer 1 | 102 | 
| Depth of Bottom of Layer 2 | 309 | 
| Depth of Bottom of Layer 3 | 1502 | 
| Depth of Bottom of Layer 4 | 2612 | 
| Additional Well Information | NONE | 
| Aquifer Information | |
| Aquifer Type | Unconfined | 
| Aquifer Type Source | EW_AQFR | 
| USGS Hydrologic Unit | San Luis | 
| USGS Data Available | Discharge (GW.DISC) | 
| Water-level Database Information | |
| Water-level Count | 187 | 
| Water-level Date Range | 05/10/1978 thru 12/12/2024 | 
| Monitored within the last 18 months | Yes, most recently on 12/12/2024 | 
| Depth-to-Water Range (ft) | 2.77 to 13.34 | 
| Water Table Elevation Range (ft NAVD88) | 7521.90 to 7532.47 | 
| Water-Level-Source:Number-of-Measurements | USGS:5 USBR:186 |