Wetlands
Both natural and constructed wetlands have been used to capture farm runoff and, in rare cases, to treat dairy effluent.
While it is possible to use constructed wetlands as one component of a wastewater treatment system, their value for treating dairy effluent has not been demonstrated. The use of wetlands linked to waterways, usually practised in districts where wetlands are perennial rather than ephemeral, is strongly discouraged.
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