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Water Management Associations
Pesticides Levels in United States Streams Drop, But…….
An analysis prepared by scientists of the U.S. Geological Survey, which monitors pesticide levels in a shifting set of about 200 streams and rivers around the country has determined that pesticide levels in the waterways have dropped, reducing the risks to humans.

That should be some really good news, however most Americans use some 400 pesticides on a regular basis, fewer than half are included in USGS monitoring. Such as the herbicide glyphosate, which came into the market as Roundup – is difficult and expensive to test for, and aren’t included in the monitoring program.

According to a pair of telling charts in another recent report on this topic, the USGS assessments cover pesticides that account for less than 220 million pounds of the more than 570 million pounds of product applied each year.

An ongoing debate questions whether U.S. human-health standards for pesticide contamination of water are reasonable to begin with, and considerable informed opinion holds that they're too lax. And, the question still stands about the benchmark of pesticide contamination standards for fish, insects and other aquatic creatures.

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Controlling Curly-Leaf Pondweed - Curly-leaf pondweed is a unique invasive aquatic plant that begins growing in late fall and continues to grow under the thick ice. In the spring curly-leaf is typically the first plant to appear and the effects of the die off in summer increases the phosphorous concentrations which in turn provide the necessary nutrients for algae to grow.

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