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But there was another seafood, more unusual in these parts, swirling in 1,500-gallon tanks near the shoreline of Tillamook Bay.

State officials are conducting tests on water samples from Tillamook Bay and a tributary of the Tillamook River.

They have yet to shut down Tillamook Bay or impose restrictions on commercial and recreational shellfish harvesting.

Seepage from manure lagoons at mega-dairies can contaminate groundwater, kill fish, and even force the closure of bodies of water like Tillamook Bay in Oregon.

In April, three to four orcas were captured on video coming into Tillamook Bay while others lingered around an entrance buoy.