This data release contains digital data generated by the U.S. Geological Survey under cooperative agreements with San Bernardino Valley Municipal Water District to characterize the three-dimensional hydrogeology of the Yucaipa groundwater subbasin, located east of Los Angeles in southern California. This dataset contains borehole lithologic data, and geospatial data of a three-dimensional hydrogeologic framework model (HFM).The borehole dataset is released as a series of .csv ascii files including (1) individual borehole location, and (2) downhole lithologic interval data derived from well drillers' lithology logs and parsed to a series of textural descriptors. The geospatial data include polygon and polyline feature classes that are a 2-dimensional representations of the HFM. The polygon feature class is a cellular array where each model cell has multiple attributes including XY location, and interpolated elevations and thicknesses of the hydrogeologic units. The polyline feature class is a series of lines that represent the extent and location of faults included in the HFM. Sources of geologic and hydrogeologic data can be found in the metadata.
Citation Information
| Publication Year | 2022 |
|---|---|
| Title | Data release of hydrogeologic data of the Yucaipa groundwater subbasin, San Bernardino and Riverside Counties, California |
| DOI | 10.5066/P9F7OYQR |
| Authors | Geoffrey Cromwell |
| Product Type | Data Release |
| Record Source | USGS Digital Object Identifier Catalog |
| USGS Organization | California Water Science Center |
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Hydrogeologic characterization of the Yucaipa groundwater subbasin
IntroductionWater management in the Santa Ana River watershed in San Bernardino and Riverside Counties in southern California (fig. A1) is complex with various water purveyors navigating geographic, geologic, hydrologic, and political challenges to provide a reliable water supply to stakeholders. As the population has increased throughout southern California, so has the demand for water. The YucaiHydrology of the Yucaipa groundwater subbasin: Characterization and integrated numerical model, San Bernardino and Riverside Counties, California
Executive SummaryWater management in the Santa Ana River watershed in San Bernardino and Riverside Counties in southern California is a complex task with various water purveyors navigating geographic, geologic, hydrologic, and political challenges to provide a reliable water supply to stakeholders. As the population has increased throughout southern California, so has the demand for water. The YucGeology and hydrogeology of the Yucaipa groundwater subbasin, San Bernardino and Riverside Counties, California
The Yucaipa groundwater subbasin (referred to in this report as the Yucaipa subbasin) is located about 75 miles (mi) east of of Los Angeles and about 12 mi southeast of the City of San Bernardino. In the Yucaipa subbasin, as in much of southern California, limited annual rainfall and large water demands can strain existing water supplies; therefore, understanding local surface water and groundwate