Eutrophication of Lake Washington near Seattle was largely addressed by limiting levels of
A)phosphate from nonpoint source discharges of pollution.
B)phosphate from point source discharges of pollution.
C)nitrates from nonpoint source discharges of pollution.
D)nitrates from point source discharges of pollution.

Question

Quizplus · Accepted Answer

Lake Washington's eutrophication was primarily caused by point source discharges of phosphates from untreated sewage coming from cities around the lake. Hence, limiting phosphate from point source discharges of pollution was the most effective strategy to address eutrophication in Lake Washington.

Eutrophication of Lake Washington near Seattle Was Largely Addressed by Limiting