Arc Hydro

GIS for water resources

An aerial photo of a green wooded area with a curving blue river, overlaid with a contour map and a heat map in green

Building a water resources foundation

Water resource managers use GIS technology to visualize and analyze topographic, hydrographic, and hydrologic data for tasks such as assessing water quality, estimating water availability, planning flood prevention, understanding the natural environment, and managing water resources.

Esri's Arc Hydro consists of a data model, toolset, and workflows developed over the years to support specific GIS implementations in water resources. It operates on both ArcGIS 10.x and ArcGIS Pro, offering the latest in innovation in GIS to help you create a deeper understanding of your hydro data. Arc Hydro helps you build a foundational dataset that can be used in water resource analyses and for integration with water resource models. It standardizes water data structures so that data can be used consistently and efficiently to solve a wider range of water resource problems at any scale—regional, national, or international.
 

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Empowering your work

  • Data management

    Create raster and vector GIS representations of the landscape and built environments for water resource analyses.

  • Integrated data systems

    Integrate raster, vector, tabular, and network data into an efficient and consistent modeling foundation that is easy to extend and configure for specific GIS implementations.

  • Analysis

    Identify sinks; determine flow direction; calculate flow accumulation; and delineate and characterize watersheds, stream networks, and floodplains.

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Arc Hydro resources

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Webinars

  • An infrared contour map in purple, pink, and aqua blue

    Arc Hydro: Analytics for Water Resources webinar series

    Discover hydrologic and hydraulic capabilities in ArcGIS Pro. Industry experts share recent tools and workflows, including the use of artificial intelligence and machine learning.

    Access the webinar recordings
  • An aerial photo of a broad blue river winding through large green tree-covered mountains with a small colorful map in the corner

    Arc Hydro in Action webinar series

    Learn from Esri hydro experts in our webinar series on Arc Hydro, its principles, and its use in water resources, including watershed and floodplain characterization and modeling as well as hydrologic and hydraulic modeling.

    Access the webinar recordings
  • A contour map in shades of green with a winding river surrounded by mountains

    Getting Started with Arc Hydro webinar series

    Access this webinar series to learn about what Arc Hydro is and explore its capabilities. Our water resource experts will also present the approaches of learning Arc Hydro (instructor led and self-paced no cost learning option).

    Access the webinar recordings
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