Okaloosa County Investigating Cinco Bayou Discoloration/OdorCause unknown; residents advised to avoid contact. Drinking water safe. Similar to recent Chula Vista Bayou sewer spill.Sources (2)Health advisory issued for Cinco Bayou as environmental incident investigation continuesgetthecoast.comOkaloosa County investigating ‘abnormal discoloration and odor’ in Cinco Bayougetthecoast.comUpdated Aug 10, 2026