Thanks Randy for the info...
Middle Tennessee Hot spots for fish not to eat ... <'TK>< 
Beech Creek Wayne From mouth to origin (Mile 16.7) including Tennessee River Embayment Mercury Do not eat the fish. Avoid contact with sediment between Leatherwood Branch and Smith Branch. Buffalo River Humphreys, Perry From mouth upstream to Highway 438 (Mile 31.6) Mercury Precautionary advisory for smallmouth bass.* Duck River Humphreys, Hickman From mouth of Buffalo River (Mile 15.8) upstream to Interstate 40 (Mile 31.8) Mercury Precautionary advisory for largemouth, smallmouth, and spotted bass.* Woods Reservoir Franklin Entirety (3,908 acres) PCBs Catfish should not be eaten.