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USGS Water Data for the Nation Help System

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Boating safety tips are available from the U.S. Coast Guard.

NOTE: Station Numbers for Iowa precipitation gages have changed (see list).


Navigation Help How to navigate around this site
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Output Formats Help Available types and uses
Codes Help Descriptions and definitions
Parameter Help Descriptions and definitions
USGS Help USGS users help
Introduction

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