Also highly dependent upon the degree of stratification and the air flow rate. Generally more efficient in deeper water columns. May also provide more favorable growth conditions for competing organisms. Successfully implemented in small ponds and waterbodies. This mixing of the water column disrupts the behavior of cyanobacteria to migrate vertically in addition to limiting the accessibility of nutrients. A Summary of Waterbody Management Measures for Cyanobacterial Blooms Waterbody Management MeasureĪerators operate by pumping air through a diffuser near the bottom of the waterbody, resulting in the formation of plumes that rise to the surface and create vertical circulation cells as they propagate outwards from the aerator. EPA does not endorse any of the measures presented on this page. To learn more about ways to manage cyanobacterial blooms visit: Report: Solutions for managing cyanobacterial blooms: A scientific summary for policy makers (PDF).ĭISCLAIMER: U.S. The table provides a summary of the common physical and chemical measures for cyanobacterial blooms in surface waters and their respective effectiveness and limitations. Measures can be employed once blooms have already occurred to control the phytoplankton blooming rate and to remove blooms.

What is control surface