Well NA04101018DDD1 EW-41U (EW41U) | ||
| Co-located Well(s):
 NA04101018DDD2 EW-41C (EW41C)  | 
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 Home | Well Information | Hydrograph | Water Level Data Table 
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| Well Information Table | |
|---|---|
| Common Well ID | NA04101018DDD1 EW-41U | 
| USBR Well ID | EW41U | 
| USGS Well ID | 374734105543501 | 
| USGS Station Name | NA04101018DDD1 EW-41U | 
| USGS Site Type | Well | 
| USGS Site Use Information | Observation | 
| USGS Groundwater Use Information | Unknown | 
| Data Source(s) | USGS, USBR | 
| Location Data | |
| TRS | NA04101018DDD1 EW-41U | 
| USBR TRS | NA04101018DDD1 | 
| USGS TRS 1 | NA04101018DDD1 EW-41U | 
| Longitude/Latitude (NAD83) | -105.91032426 , 37.79284300 | 
| Longitude/Latitude Data Source | USBOR EW well locations | 
| USGS Longitude/Latitude (NAD83) | -105.9102984 , 37.79277735 | 
| USBR Longitude/Latitude (NAD27) | -105.909748048370 , 37.7928434220064 | 
| Easting, Northing RGDSS-NAD83 (US ft) | 131762.35 , 290200.86 | 
| USGS County | Saguache County | 
| Elevation and Depth Data | |
| Ground Elevation (ft NAVD88) | 7554.95 | 
| Elevation Data Source | USBOR EW well database | 
| USBR Ground Elevation (ft NGVD29) | 7551.1 | 
| USGS Ground Elevation (ft NGVD29) | 7551.10 | 
| 1/3-Arc Second NED Ground Elevation (ft NAVD88) | 7556.72 | 
| 1-Arc Second NED Ground Elevation (ft NAVD88) | 7556.86 | 
| SRTM Ground Elevation (ft NAVD88) | 7561.69 | 
| Total Depth (ft) | 45.00 | 
| USBR Total Depth (ft) | 45 | 
| USGS Well Depth (ft) | 40.00 | 
| Model Layer | 1 | 
| Model Layer Source | Aquifer Type | 
| Depth of Bottom of Layer 1 | 95 | 
| Depth of Bottom of Layer 2 | 214 | 
| Depth of Bottom of Layer 3 | 1225 | 
| Depth of Bottom of Layer 4 | 3202 | 
| Additional Well Information | NONE | 
| 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 | 554 | 
| Water-level Date Range | 10/17/1983 thru 02/26/2025 | 
| Monitored within the last 18 months | Yes, most recently on 02/26/2025 | 
| Depth-to-Water Range (ft) | 3.16 to 38.19 | 
| Water Table Elevation Range (ft NAVD88) | 7516.76 to 7551.79 | 
| Water-Level-Source:Number-of-Measurements | USGS:97 USBR:482 |