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USGS Water Data for the Nation Help System

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During the week of February 6, 2017, the USGS Minnesota Water Science Center will transition to new data-management software. While you may not noticed this transition, some sites may have problems or delays in being updated. We will be actively monitoring these conditions and will resolving them as quickly as possible.

Navigation Help How to navigate around this site
Search Criteria Help How to use the search criteria
Output Formats Help Available types and uses
Codes Help Descriptions and definitions
Parameter Help Descriptions and definitions
USGS Help USGS users help

We welcome user suggestions that provide insight into how we can make this site easier to understand. Please send all feedback to Minnesota Water Data Maintainer.