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  2. Southern California Coastal water resource subregion

    en.wikipedia.org/wiki/Southern_California...

    The South Coast Hydrologic Subregion is composed of three third-level hydrological units. The federally-defined Southern California Coastal water resource subregion equates roughly with the state-designated South Coast hydrologic region. Per a USGS report of 1976, "Water deficiency is prevalent in the South Coastal subregion."

  3. List of aquifers in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_aquifers_in_the...

    Aquifers of the United States Withdrawal rates from the Ogallala Aquifer.. This is a list of some aquifers in the United States.. Map of major US aquifers by rock type. An aquifer is a geologic formation, a group of formations, or a part of a formation that contains sufficient saturated permeable material to yield significant quantities of water to groundwater wells and springs.

  4. National Centers for Environmental Information - Wikipedia

    en.wikipedia.org/wiki/National_Centers_for...

    The organization was created by merging the three existing NOAA National Data Centers with the goal of streamlining the collection and preservation of environmental data. The merger, which came in response to increasing demand for environmental information, was intended to make NOAA's data more useful through the application of consistent data ...

  5. United States Geological Survey - Wikipedia

    en.wikipedia.org/wiki/United_States_Geological...

    Georeferenced map images are available from the USGS as digital raster graphics (DRGs) in addition to digital data sets based on USGS maps, notably digital line graphs (DLGs) and digital elevation models (DEMs). In 2015, the USGS unveiled the topoView website, a new way to view their entire digitized collection of over 178,000 maps from 1884 to ...

  6. Laguna–San Diego Coastal water resource basin - Wikipedia

    en.wikipedia.org/wiki/Laguna–San_Diego_Coastal...

    The Laguna–San Diego Coastal water resource basin is a third-level subdivision of the United States hydrologic unit system. [1] The tiers of the classification system, in order from largest to smallest, are regions , subregions, basins (formerly accounting units), subbasins (formerly cataloging units), watersheds, and subwatersheds.

  7. Hydrologic unit system (United States) - Wikipedia

    en.wikipedia.org/wiki/Hydrologic_unit_system...

    Aquifers of the United States are organized by national principal aquifer codes and names assigned by the National Water Information System (NWIS). Aquifers are identified by a geohydrologic unit code (a three-digit number related to the age of the formation) followed by a 4 or 5 character abbreviation for the geologic unit or aquifer name. [10]

  8. Lake Montebello - Wikipedia

    en.wikipedia.org/wiki/Lake_Montebello

    Lake Montebello is a reservoir located near Mayfield and Coldstream-Homestead-Montebello in Northeast Baltimore City in central Maryland.The lake was excavated and constructed in 1881, and nearby Montebello Filtration Plants 1 and 2 were completed in 1915 and 1928, respectively. [1]

  9. Little Seneca Creek - Wikipedia

    en.wikipedia.org/wiki/Little_Seneca_Creek

    A portion of the creek below the lake is a cold water stream that supports wild rainbow and brown trout populations. [2] The creek and reservoir are a drinking water source as part of the Little Seneca system, an emergency water supply for the metropolitan Washington, D.C. area. [3]