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FreeGovernmentUnited States

USGS National Water Quality Network

Long-term water quality monitoring

usgs.gov

At a glance

Region
United States
Coverage
102 surface + 258 groundwater sites
Access
Free
Category
Government
Last updated
2025

What's inside

  • Surface Water
  • Groundwater
  • Continuous Monitoring

What you can do with it

Typical work that data of this type supports.

  1. 01

    Trend hotspots

    Find where water tables are falling year after year.

    Because it has: Groundwater

  2. 02

    Recharge planning

    Site recharge structures and new borewells with evidence.

  3. 03

    Storage tracking

    Follow storage and releases through the season.

    Because it has: Surface Water

Where AI adds value

Ideas for machine learning and AI agents built on this kind of data.

  1. 01

    Gap filling

    Rebuild missing well readings from neighbours, rainfall and season.

  2. 02

    Level forecasts

    Forecast pre- and post-monsoon levels well by well.

  3. 03

    Storage from space

    Estimate volume from satellite water area and altimetry.

All water data sources in the United States

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