USGS scientists gather data to better understand nutrient loads entering the Delta

From the USGS:

In recent years, it has been suggested that forms of nutrients and their associated effects may cause changes in productivity that affect food webs in the Sacramento–San Joaquin Delta (Delta). Specifically, the potential effects on the ecosystem from the nutrient ammonium, found in wastewater discharge, is a major concern.

The Delta is part of the largest estuary on the west coast of North America. The Delta is an essential source of water for both urban and agricultural users. The majority of the Delta is agricultural land, but also home to many bird, mammal, and fish species.

The Delta receives most of its freshwater from the combined flows of the Sacramento and San Joaquin rivers. Water management for Delta flow and water quality requires that numerous decisions need to be made regarding reservoir releases, diversions, aquatic species management, and environmental flows to protect water quality.

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