Mohegan FD and Con Edison Gas have been investigating both along the natural gas service area (Rt 6 corridor) and in the hamlet of Mohegan Lake where there is no natural gas services. After thorough investigations of metering by Mohegan FD and Con Edison using handheld meters and “sniffer vehicles”, no readings have been found in the air. After interviewing multiple individuals and reporting parties, it has been determined that a large blue-green algae bloom has formed on Mohegan Lake and the lake outlet into wetlands behind Rt 6 has been causing the odor. Although Mohegan FD and Con Edison found and mitigated 3 minor leaks (natural gas and propane gas) completely unrelated, the contributing factor has been determined to be the algae bloom. This bloom causes a “rotten egg” odor which has been particularly strong in close proximity to the water. It has also been found to be traveling to nearby areas based on wind direction. At this time, we are unsure how long this will be occurring for. Although this is the cause, if anybody does smell gas, please don’t hesitate and call 911 so that we can investigate to confirm that there is no gas leak. Here are some photos taken during our investigation of the algae bloom on the lake near Mohegan Ave and Sagamore Ave.

Town of Yorktown