15-1117 v3.X Copper Sulfate for Raw Water Treatment

Question:

In an effort to control algae in our potable water cistern, we may need to add copper sulfate occasionally. Our sampling of raw and finished water confirms that the charcoal filter will remove most of this compound before it is delivered to fixtures in the building. In all cases, the added amount of copper sulfate will be such that the water is safe to drink, even without removal of the ions by the filtration system. Please confirm that periodic addition of copper sulfate is acceptable.

Answer:

Copper sulfate is toxic to many aquatic species, and as such should be considered a harmful chemical. Therefore, it  is not to be used to treat the building's water supply. Algae growth can effectively be prevented by eliminating any source of light.


Post ID 3360

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