| Well Information Table |
|---|
| Common Well ID | NA03901212CDD1 EW-22U |
| USBR Well ID | EW22U |
| USGS Well ID | 373804105363901 |
| GSDNP Well Name | 373804105363901 |
| USGS Station Name | NA03901212CDD1 EW-22U |
| USGS Construction Date | 01/01/1980 |
| USGS Site Type | Well |
| USGS Site Use Information | Observation |
| USGS Groundwater Use Information | Unused |
| Data Source(s) | USGS, USBR |
| Location Data |
|---|
| TRS | NA03901212CDD1 EW-22U |
| USBR TRS | NA03901212CDD1 |
| USGS TRS 1 | NA03901212CDD1 EW-22U |
| Longitude/Latitude (NAD83) | -105.61132068 , 37.63502482 |
| Longitude/Latitude Data Source | USBOR EW well locations |
| USGS Longitude/Latitude (NAD83) | -105.6114036 , 37.63444725 |
| USBR Longitude/Latitude (NAD27) | -105.610750437999 , 37.6350220281641 |
| Easting, Northing RGDSS-NAD83 (US ft) | 218170.52 , 232665.66 |
| USGS Topography | Valley flat |
| USGS County | Alamosa County |
| USGS Map Name | ZAPATA RANCH,COLO. |
| USGS Map Scale | 24000 |
| Elevation and Depth Data |
|---|
| Ground Elevation (ft NAVD88) | 7637.21 |
| Elevation Data Source | USBOR EW well database |
| USBR Ground Elevation (ft NGVD29) | 7633.0 |
| USGS Ground Elevation (ft NGVD29) | 7633.00 |
| 1/3-Arc Second NED Ground Elevation (ft NAVD88) | 7638.70 |
| 1-Arc Second NED Ground Elevation (ft NAVD88) | 7638.91 |
| SRTM Ground Elevation (ft NAVD88) | 7639.97 |
| Total Depth (ft) | 43.00 |
| USBR Total Depth (ft) | 43 |
| USGS Hole Depth (ft) | 168.00 |
| USGS Well Depth (ft) | 41.00 |
| Model Layer | 1 |
| Model Layer Source | Aquifer Type |
| Depth of Bottom of Layer 1 | 171 |
| Depth of Bottom of Layer 2 | 586 |
| Depth of Bottom of Layer 3 | 1090 |
| Depth of Bottom of Layer 4 | 2415 |
| Additional Well Information | Construction |
| Aquifer Information |
|---|
| Aquifer Type | Unconfined |
| Aquifer Type Source | EW_AQFR |
| USGS Aquifer Type | Unconfined Single Aquifer |
| USGS Hydrologic Unit | San Luis |
| USGS Data Available | Water-level (GW.LEV) |
| Water-level Database Information |
|---|
| Water-level Count | 625 |
| Water-level Date Range | 09/19/1980 thru 02/15/2025 |
| Monitored within the last 18 months | Yes, most recently on 02/15/2025 |
| Depth-to-Water Range (ft) | 0.57 to 8.21 |
| Water Table Elevation Range (ft NAVD88) | 7629.00 to 7636.64 |
| Water-Level-Source:Number-of-Measurements | USGS:240 USBR:405 |
