Green Plumbing

Category - Caring for Our Water

Which types of water are generally accommodated in municipal drainage and treatment systems?
  1. Stormwater
  2. Sewer water
  3. Graywater
  4. A and B above
Explanation
Answer: D - Local drainage and treatment systems generally treat both stormwater and sewer water. The latter requires significantly more treatment than the former before it is ready for reuse in any fashion. Stormwater sometimes is allowed to drain directly to streams or rivers.
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