| Well Information Table |
|---|
| Common Well ID | NA03801225ABB2 EW-9C |
| USBR Well ID | EW09C |
| USGS Well ID | 373106105363402 |
| USGS Station Name | NA03801225ABB2 EW-9C |
| USGS Construction Date | 06/30/1980 |
| USGS Site Type | Well |
| USGS Site Use Information | Observation |
| USGS Groundwater Use Information | Unused |
| Data Source(s) | USGS, USBR |
| Location Data |
|---|
| TRS | NA03801225ABB2 EW-9C |
| USBR TRS | NA03801225ABB2 |
| USGS TRS 1 | NA03801225ABB2 EW-9C |
| Longitude/Latitude (NAD83) | -105.61023688 , 37.51828332 |
| Longitude/Latitude Data Source | USBOR EW well locations |
| USGS Longitude/Latitude (NAD83) | -105.6100149 , 37.51833849 |
| USBR Longitude/Latitude (NAD27) | -105.609666431825 , 37.5182781549433 |
| Easting, Northing RGDSS-NAD83 (US ft) | 218510.90 , 190171.72 |
| USGS Topography | Valley flat |
| USGS County | Alamosa County |
| USGS Map Name | TWIN PEAKS |
| USGS Map Scale | 24000 |
| Elevation and Depth Data |
|---|
| Ground Elevation (ft NAVD88) | 7633.33 |
| Elevation Data Source | USBOR EW well database |
| USBR Ground Elevation (ft NGVD29) | 7629.1 |
| USGS Ground Elevation (ft NGVD29) | 7529.10 |
| 1/3-Arc Second NED Ground Elevation (ft NAVD88) | 7638.22 |
| 1-Arc Second NED Ground Elevation (ft NAVD88) | 7633.56 |
| SRTM Ground Elevation (ft NAVD88) | 7640.99 |
| Total Depth (ft) | 167.00 |
| USBR Total Depth (ft) | 167 |
| USGS Hole Depth (ft) | 169.00 |
| USGS Well Depth (ft) | 166.00 |
| Model Layer | 2 |
| Model Layer Source | Well Depth |
| Depth of Bottom of Layer 1 | 154 |
| Depth of Bottom of Layer 2 | 370 |
| Depth of Bottom of Layer 3 | 672 |
| Depth of Bottom of Layer 4 | 1490 |
| Additional Well Information | Logs, Construction |
| Aquifer Information |
|---|
| Aquifer Type | Confined |
| Aquifer Type Source | EW_AQFR |
| USGS Hydrologic Unit | San Luis |
| USGS Data Available | Water-level (GW.LEV) |
| Water-level Database Information |
|---|
| Water-level Count | 290 |
| Water-level Date Range | 08/15/1980 thru 02/04/2025 |
| Monitored within the last 18 months | Yes, most recently on 02/04/2025 |
| Depth-to-Water Range (ft) | 42.80 to 56.98 |
| Water Table Elevation Range (ft NAVD88) | 7576.35 to 7590.53 |
| Water-Level-Source:Number-of-Measurements | USGS:65 USBR:271 |
