Oyster crisis: an environmental criminal summary filed against the Arcachon Bay union. Bordeaux public prosecutor's office recognizes an “extremely rare” criminal summary and even “a first in France” The judge of freedoms will have to decide: should Veolia and the intercommunal union of the Arcchon Basin (Siba) be submitted to a financial penalty and the suspension of activities until its apparently dilapidated network is repaired? At issue: the management of rainwater and wastewater from the Arcaches Basin, suspected of being the cause of the spread of norovirus.