First page Back Continue Last page Overview Text
Notes:
This is a plot showing average turbidity for the BX-6 platform during construction. For BX-6 and for the smaller alternative A-3, we do not see any overlap of the turbidity plumes with the eelgrass beds. What we are looking at here generally for this average plume are concentration of about 5-10 mg. per liter above ambient for the most part of that plume. Some higher concentrations are right in the center where the dredging would be occurring. Alternative BX-R, we do see overlap with the turbidity plume at the Bay Farm Island site. Due to some of the uncertainties with the length of time that the plume could be over the beds, and the fact that the turbidity can cut down the light penetration and cause thinning of the beds, we have said in the report that there is a potential effect to Bay Farm Island from construction of the BX-6 alternative.