Odor Mitigation (Epilimnetic)

Stop The Odor In Smelly Retention Ponds

stormwater retention basin near apartmentsStormwater retention basins can emit a variety of noxious odors.  Most odors are associated with blue-green algae blooms generated within the pond except when source water is high in organic matter. 

When blue-green algae die they either remain on the surface, along shores, and/or sink to the bottom. Those remaining on the surface create a foamy scum that produces truly eye-watering noxious odors. This surface scum should not be confused with filamentous algae that can form thick mats, particularly in small ponds, but do not create extraordinary odors.

Since retention basins are prone to sudden, high inflow of nutrients during storm events, having good circulation in place helps process the incoming nutrients and avoids possible other odor causing issues such as H2S production in anoxic conditions.

SolarBee® & GridBee® circulators & mixers move water both horizontally and vertically.  Setting the intake above the thermocline for blue-green algae control more evenly distributes dissolved oxygen throughout the epilimnion within the depth of of the intake setting (i.e. if the intake is set at 6 feet, mixing and circulation will occur in the top 6 feet). The return flow of oxygen-rich water back to the equipment intake slowly oxidizes sediments providing consolidation and muck reduction.  Using SolarBee® / GridBee® circulation reduces blue green algae bloom potential which in turn reduces associated odors.

Please explore "Related Equipment" to find out which machines can help!

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