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Surface Water Data Viewer

The Surface Water Data Viewer (SWDV) is a DNR data delivery system that provides interactive web mapping tools for a wide variety of datasets including chemistry (water, sediment), physical and biological (macroinvertebrate, fish) data.

This interactive web mapping application for surface water resources is an HTML5 web application that will work in all current browsers. The interface has tabs that group similar sets of tools (similar to MS Word or Excel). Other features include drawing tools, the ability to add a Shapefile or tabular dataset with latitude/longitude coordinates, as well as the ability to change coordinate systems.

Launch SWDV mapping application

Recent Updates

The SWDV transitioned to a new web mapping platform starting 12/4/2024. This transition was necessitated by the former software becoming outdated and unsupported. The majority of the viewer's functionality and formatting was copied. The major differences include lack of themes; these functions are slated for a future release. 

Documentation