Well NA03801134DDA1 EW-4U (EW04U) | ||
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| Well Information Table | |
|---|---|
| Common Well ID | NA03801134DDA1 EW-4U |
| USBR Well ID | EW04U |
| USGS Well ID | 372929105445401 |
| USGS Station Name | NA03801134DDA1 EW-4U |
| USGS Construction Date | 06/26/1980 |
| USGS Site Type | Well |
| USGS Site Use Information | Observation |
| USGS Groundwater Use Information | Unused |
| Data Source(s) | USGS, Divide Study, USBR |
| Location Data | |
| TRS | NA03801134DDA1 EW-4U |
| USBR TRS | NA03801134DDA1 |
| USGS TRS 1 | NA03801134DDA1 EW-4U |
| Longitude/Latitude (NAD83) | -105.74859138 , 37.49222518 |
| Longitude/Latitude Data Source | Divide Study |
| USGS Longitude/Latitude (NAD83) | -105.7489076 , 37.49139390 |
| USBR Longitude/Latitude (NAD27) | -105.748018705201 , 37.4922148575179 |
| Easting, Northing RGDSS-NAD83 (US ft) | 178389.15 , 180690.45 |
| USGS Topography | Valley flat |
| USGS County | Alamosa County |
| USGS Map Name | BALDY |
| USGS Map Scale | 24000 |
| Elevation and Depth Data | |
| Ground Elevation (ft NAVD88) | 7523.18 |
| Elevation Data Source | Divide study surveying by Davis Engineering |
| USBR Ground Elevation (ft NGVD29) | 7519.4 |
| USGS Ground Elevation (ft NGVD29) | 7519.40 |
| 1/3-Arc Second NED Ground Elevation (ft NAVD88) | 7522.30 |
| 1-Arc Second NED Ground Elevation (ft NAVD88) | 7522.15 |
| SRTM Ground Elevation (ft NAVD88) | 7526.21 |
| Total Depth (ft) | 30.00 |
| USBR Total Depth (ft) | 30 |
| USGS Hole Depth (ft) | 30.00 |
| USGS Well Depth (ft) | 29.50 |
| Model Layer | 1 |
| Model Layer Source | Aquifer Type |
| Depth of Bottom of Layer 1 | 69 |
| Depth of Bottom of Layer 2 | 284 |
| Depth of Bottom of Layer 3 | 766 |
| Depth of Bottom of Layer 4 | 2663 |
| Additional Well Information | Construction |
| Aquifer Information | |
| Aquifer Type | Unconfined |
| Aquifer Type Source | DIV_AQ |
| 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 | 527 |
| Water-level Date Range | 07/28/1980 thru 02/15/2025 |
| Monitored within the last 18 months | Yes, most recently on 02/15/2025 |
| Depth-to-Water Range (ft) | 4.81 to 9.61 |
| Water Table Elevation Range (ft NAVD88) | 7513.57 to 7518.37 |
| Water-Level-Source:Number-of-Measurements | USGS:37 Divide Study:11 USBR:490 |