In response to the need for an all encompassing treatment device to deal with trash, debris (organic
and non organic) solids, sediment, total suspended solids (“TSS”), metals (dissolved/particulate),
nutrients (dissolved/particulate), oils, hydrocarbons, polycyclic aromatic hydrocarbons (“PAH”),
and pathogenic bacterium contaminants, the City of Oceanside authorized the installation of the
Modular Wetlands Device in April of 2008.