Environmental

In Alaska, 'black water' in plumbing is defined as wastewater from toilets, while 'gray water' refers to:

AContaminated water from industrial processes
BWastewater from sinks, showers, and laundry that does not contain sewage✓ Correct
CReclaimed water from water treatment plants
DRunoff water collected from roofs and driveways

Explanation

Gray water is relatively clean wastewater from household sinks, showers, bathtubs, and laundry (but not toilets). In some Alaska jurisdictions, gray water reuse systems may be permissible for landscape irrigation, reducing freshwater demand — particularly valuable in remote locations.

People Also Study

Practice More Alaska Real Estate Questions

1,500+ questions covering all exam topics. Start free — no signup required.

Take the Free Alaska Quiz →