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TiMELiNES

c. 1985

Nutrient removal expands

Wastewater plants increasingly target nitrogen and phosphorus to protect rivers and lakes.

Canonical milestoneGlobal1 timeline

Context

Appears In

TimelineTimeline of Sewage

Position 18

Authority

Sources

Encyclopaedia BritannicaConfidence 88%

Taxonomy

Tags

treatmentsewage