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REGION: North America
TOPIC: Environment
Online NewsHour
FORUM
Posted: March 24, 2008

Experts Discuss Water Reuse

Forum Introduction
Orange County Groundwater Replenishment Systmem A new treatment plant in Orange County, Calif., is one of about 15 in the country to recycle wastewater back into the groundwater drinking water supply -- a plan called indirect potable reuse. Two experts answer your questions on water recycling.
QUESTIONS
How is what Orange County is doing different from what happens in most water systems in this country?
Is there a better term to describe water reuse than "toilet-to-tap"?
What happens to the sludge from water treatment facilities?
What is the most energy-efficient method of water treatment?
How does wastewater reuse compare to ocean water desalination?
Have there been any recent breakthroughs in water filtering technology?
What about the composting toilet?
Does this system remove pharmaceuticals from wastewater?
Dan Graham of Pittsboro, N.C. asks
Why hasn't the composting toilet been considered? Eliminate fecal material and the rest of household waste water can be cleaned on site for reuse. The flush toilet works if there is an abundance of water but that is no longer the case in many places.
ANSWERS
Cheryl McGovern responds:
Cheryl McGovern responds:

Composting toilets are an option for many people who are willing to operate and maintain them. They are typically not chosen as the best option for use in a community-wide application because they are impractical for many users. In community service areas, residents include elderly, disabled and small children who would be challenged by their required maintenance.

There may be state and/or local laws that restrict or condition the use of composting toilets. As you suggest, composting toilets are an option that are being used under a wide variety of circumstances. We can't recommend specific products, manufacturers, distributors or stores, but you can even buy composting toilets -- such as the BioLet 60 XL Electric Composting Toilet, Automatic Mixer or the BioLet 30 NE Non-electric composting toilet -- at places such as Home Depot.

Shivaji Deshmukh responds:
Shivaji Deshmukh responds:

I will defer to Cheryl's answer on this one.

Next Question and Answer

  Main: Water Recycling
RESOURCES
  Slideshow: Inside the Plant
  Forum: Experts Discuss
  Water Reuse
  Map: Potable Reuse Plant Locations
FOR STUDENTS AND TEACHERS
  Lesson Plan
  Understanding Your Water
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