1 A disinfectant, such as chlorine, is usually added to the wastewater before it leaves the treatment plant. 2  The disinfectant kills disease-causing organisms in the water. 3  After treatment, the water can be returned to nearby waterways. 4  It can also be used on land for agriculture and other purposes.
Federalism refers to the mixed or compound mode of government, combining a general government (the central or 'federal' government) with regional governments (provincial, state, Land, cantonal, territorial or other sub-unit governments) in a single political system.
1a often capitalized : the distribution of power in an organization (such as a government) between a central authority and the constituent (see 2constituent 1) units under our system of federalism, states bear the primary responsibility for defining and controlling criminal behavior â W. R. LaFave &amp; J. R. Israel â compare centralismb : support ...