The city of Arcata, California, is notable because it designed a natural marsh to treat its sewage.
Natural marsh- It is a type of wetland that is covered with water, this is usually used as a natural sewage savior. Unlike other wetlands this wetland is not dominated by trees, but rather a treeless wetland, although there are some grass, and bushes present in this type of wetland.
The natural marsh is generally characterized by low-moving water. the marsh is found on the river deltas. The city of Arcata, California has a natural marsh to treat sewage but in the united state, the most notable marsh is on the Mississippi river.
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