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Event Brief

TDEC issues fish advisory for Mitchell Branch

Filed: Aug 21, 2026 at 3:00 PM ET
Summary: The Tennessee Department of Environment and Conservation issued a precautionary fish consumption advisory for all species in Mitchell Branch Stream in Roane County due to elevated mercury and PCB levels. The advisory also covers black bass in Knox and Sevier counties, warning residents to avoid eating those fish.
WHO: Tennessee Department of Environment and Conservation (TDEC)
WHAT: Precautionary fish consumption advisory for all species in Mitchell Branch Stream (Roane County) and for black bass in Knox and Sevier counties due to mercury and PCB contamination.
WHEN: Aug 21, 2026 at 2:12 PM ET
WHERE: Roane County
WHY: TDEC cited elevated mercury and PCB levels in fish from the Mitchell Branch Stream area.
ℹ️ This event is analyzed using pattern arcs, velocity indicators, and source analysis in our MI Console.

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