Will pulverized glass replace drainfield rock?

Group seeks uses for waste material

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In Coeur d’Alene, Idaho, a nonprofit recycling group is offering up its processed glass waste to anyone who will take it, and among suggested uses is drainpipe bedding and septic drainfield aggregate. According to a news account in the North Idaho Business Journal, the Coeur d’Alene Glass Recycling Co. is getting desperate to find users of its pulverized glass known as cullet.

This is an extremely small cooperative looking for ways to reuse the glass, and they report the recycling effort will have to cease by January if they don’t find takers for the material. You can read the full story here:

Recycling glass cullet


Do you see an onsite industry use for glass cullet? If not glass, have you ever worked with other alternative bedding media or drainfield aggregate, such as rubber tire chips? Tell us about your experience trying something than the old-reliable rock aggregate.

It’s always nice to hear about efforts to identify a lightweight and inexpensive – even recycled – alternative material to rock to fill massive trenches dug for onsite systems. And we want to know whenever an installer experiments with a new product, whether it turns out to be a success or a failure.



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