While the Bay region has seen a long-term decline in nutrients in many areas since 1985, those trends have leveled off in recent years — and improvements for phosphorus have largely halted — according to recent water quality monitoring data.
The data, released by the U.S. Geological Survey, largely confirm findings in other recent reports which have generally shown a decline in nitrogen and phosphorus concentrations in many rivers since 1985, but less improvement during the most recent 10 years.[Continue Reading]
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