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About the Watershed
Watershed Maps
Browse through our interactive watershed maps, and Grand Traverse Bay shoreline inventory.
Water Quality Database
The Watershed Center's interactive Regional Water Quality Database for the Grand Traverse Bay Watershed is a storehouse of water quality data for the entire watershed.

The database contains both current and historical data, which has been gathered and entered by groups involved in monitoring water quality throughout the watershed. You can search for data by parameter, location, water body, jurisdiction or specific research document.
Adopt-A-Stream
Adopt-A-Stream is a volunteer monitoring program that samples aquatic insects and documents stream conditions in the spring and fall.
This page last updated on 9/15/2016.
If you have any questions or problems while using our website please contact us at 231.935.1514 or info@gtbay.org
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Water Quality Database
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