Similar term(s): NOM, natural organic material.
Organic matter originating from plants and animals present in natural (untreated or raw) waters, for example, in lakes, rivers and reservoirs.
Source: GreenFacts
In order to minimise water disinfectant byproducts, precursors should be removed from waters to be treated with a disinfectant.
Granular activated carbon - Membrane filtration - Organic - Ozone biofiltration - Precursor(s) - Water disinfection by-product(s)
GreenFacts Summary on Water Disinfectants & disinfectant by-products:
Español: Materia Orgánica Natural
Français: Matière organique naturelle