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What is The Difference Between Potable and Non-Potable Water?

The University of California (USC) Manual of Cross-Connection Control 10th ed. defines Potable Water as “Water from any source which has been investigated by the health agency having jurisdiction, and which has been approved for human consumption”. Non-Potable Water therefore, would include water from any source that has not been investigated and approved by the health agency having jurisdiction for human consumption.

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