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2021 Watershed Report Card

Water Quality
Dec 1
Written by Friends of the Big Sioux River
Friends of the Big Sioux River
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Water Testing Results and Analysis
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2021 Water Testing Summary

The Big Sioux River watershed is the ancestral, traditional, and contemporary lands of the Bdewakaŋtuŋwaŋ, Waȟpekute, Sisituŋwaŋ, and Waȟpetuŋwaŋ bands of the Dakota Oyate (Flandreau Santee Sioux Tribe) and (Sisseton Wahpeton Oyate Tribe). We gratefully acknowledge the Native Peoples on whose ancestral homelands we gather and who have stewarded the lands and waterways through time immemorial.

©2026 Friends of the Big Sioux River (FBSR)

400 N Main Ave, Suite 205
Sioux Falls, SD 57104

(605) 679-6973
director@friendsofthebigsiouxriver.org

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