Chloride Found At Levels That Can Harm Aquatic Life In Urban Streams Of Northern US

Levels of chloride, a component of salt, are elevated in many urban streams and groundwater across the northern United States, according to a new government study. Chloride levels above the recommended federal criteria set to protect aquatic life were found in more than 40 percent of urban streams tested. The study was released today by the US Geological Survey. Elevated chloride can inhibit plant growth, impair reproduction, and reduce the diversity of organisms in streams.

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