Posts Tagged ‘Case Studies’
The Smiths live in Greenville, South Carolina. The Johnsons live right next door to them. Both the Smiths and the Johnsons are families of four, and both families use 94,900 gallons of water every year. If the Smiths have a gray water recycling system and conserve 35% of their water, how much smarter are the Smiths than the Johnsons?
The answer: this much (you can’t see me, but my arms are spread really wide).
All kidding aside, these sorts of word problems drove me crazy in school. But sometimes you have to bite the bullet and do a little number crunching. Today, I’m looking at the local price of water and calculating an average payback period for a RGW-250.
Look out–here come the numbers.
As we talk with architects, engineers and developers about gray water recycling, one question comes up again and again: how long does it take for these systems to pay for themselves? When that happens, we give our standard answer: there is no standard answer.
Since payback periods vary depending on freshwater expenses, wastewater treatment fees, usage and other factors, it’s difficult for us to give an accurate, catch-all answer regarding payback periods. However, the following case study is a good example of a return on investment for one commercial gray water system.
