State Of emergency declared for Lower St. Martin Parish due to flooding Bayou Estate Subdivision-Four Mile Bayou closed to non-residents MGN Online and last updated 2021-04-15 10:18:22-04 St. Martin Parish President Chester Cedars declared a State Of Emergency Thursday morning for Lower St. Martin Parish due to the imminent threat of flooding in Stephensville and Belle River. The rising river levels and recent torrential rains have the potential to cause flooding and subsequent damage in lower. Several preventive measures have been taken over the last several days to prepare for this event and both St. Martin Parish Government along with St. Martin Parish Office of Homeland Security and Emergency Preparedness, continue to monitor conditions.