Datasets > Polygon data > Aromas (Calif.) > 2000-2004

Potential Aquifer Recharge Areas: Monterey County, California, 2001

Monterey County (Calif.). Planning Department · 2001 Full Details

Full Details

Title
Potential Aquifer Recharge Areas: Monterey County, California, 2001
Description
This polygon shapefile contains areas for potential recharge of high to moderate infiltration capacity and low to moderate water holding capacity soils that overlie proven alluvial aquifers. These areas include Fort Ord/Seaside, parts of northern Monterey County, Carmel Valley, and the alluvial deposits along the Salinas River. Other areas include the alluvial fan deposits near Arroyo Seco. The alluvial fill in the San Antonio Valley area was also identified as highly favorable for recharge. Overlain on recharge areas are isohyetals (rainfall contours) of average annual precipitation. Blaney (1933) suggested threshold rainfall amounts that must occur to result in meaningful amounts of recharge for semi-arid climates similar to Monterey County. Blaney suggested a value of 17 inches per year of rainfall on native soils and 11 inches per year on irrigated fields. However, Blaney's analysis does not account for the anomalous distributions of annual rainfall (for example, a year where the rainfall total was 9 inches but it all fell in January), modeling efforts have shown the generalization relatively accurate. With the exception of the northern portion of North County and the San Antonio area, most of the identified recharge areas in Monterey County receive less than 17 inches of rainfall. In consideration of Blaney's generalizations, in these areas, even if soils are favorable, recharge from rainfall must be considered a rare occurrence and the importance of these areas as recharge areas is therefore limited. This layer is part of a collection describing Geology resources and constraints Monterey County, California., This map depicts areas of potential aquifer recharge for Monterey County, California. The intended use of this map is to provide a guide for use in regional planning studies of areas that provide recharge to aquifers., This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
Creator
Feeney, Martin B., Rosenberg, Lewis I.
Publisher
Monterey County (Calif.). Planning Department
Subject
Hydrology, Aquifers, Groundwater recharge, Geoscientific Information
Temporal Coverage
2001
Date Issued
2001
Rights
This item is in the public domain. There are no restrictions on use.
Rights Holder
This work is in the Public Domain, meaning that it is not subject to copyright.
Access Rights
Public
Format
Shapefile
Language
English
Date Added
October 01, 2025

Location

Cite and Reference

  • Citation
    Feeney, Martin B., Rosenberg, Lewis I. (2001). Potential Aquifer Recharge Areas: Monterey County, California, 2001. Monterey County (Calif.). Planning Department. (dataset)
  • BTAA Geoportal Link

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