#AnimasRiver: The @EPA releases results of three year water quality study #GoldKingMine

A “get well soon” balloon floats in the contaminated waters of the Animas River flowing through Durango on Monday afternoon August 10, 2015 — photo The Durango Herald, Shane Benjamin

From The Durango Herald (Jonathan Romeo):

The study looked at 200 river-water samples and almost 200 sediment samples, as well as more than 100 private wells from Durango to Silverton, testing for 13 different heavy metals and other possible contaminants, the health department said.

Some findings, according to San Juan Basin Public Health:

Water quality, except in Cement Creek, is better than the minimum standards set to protect aquatic life and human uses.

Additional sampling performed as part of this study revealed that natural variability in river flows produces occasional “spikes” in certain metals that may have been missed in less-frequent sampling.

Sediment in the Animas River, including beach sediment at six popular Durango recreation sites, poses no risk to human health if common-sense precautions are followed.

About one-quarter of Animas Valley drinking water wells had naturally-occurring bacteria present, and all wells should receive filtration or treatment.

About 5 percent of Animas Valley wells had more serious contamination from heavy metals, nitrates or other forms of bacteria. Heavy metal contamination in these wells arises from the natural geology of the Animas Valley aquifer.

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