Stormwater quality from metal recycling pad.
Stormwater quality from metal recycling pad.
(OP)
I'm looking for information on the quality of runoff from a asphalt area used to temporarily stockpile recyclable metal. We're evaluating how best to handle this water. Can we treat the water using stormwater treatment technologies ("Stormfilters", wet ponds, bioretention facilities, etc), or do we need to send to a nearby leachate system?
The site is a closed landfill with existing leachate collection system. However, a pump station and 800ft force main is needed to connect.
Our Environmental health staff indicated they are most concerned about TSS, Oils/Grease, and metals.
The site is a closed landfill with existing leachate collection system. However, a pump station and 800ft force main is needed to connect.
Our Environmental health staff indicated they are most concerned about TSS, Oils/Grease, and metals.





RE: Stormwater quality from metal recycling pad.
Orenda
Orenda
RE: Stormwater quality from metal recycling pad.
Depending on your answers, ttreatment may not be needed.
RE: Stormwater quality from metal recycling pad.
RE: Stormwater quality from metal recycling pad.
As we construct our new aphalt pad to stockpile the metal on, we'll begin collecting runoff data for analysis. We'll base a decision on how to handle the water once we do get a baseline the water quality.
Thanks for the feedback.
RE: Stormwater quality from metal recycling pad.
As for treatment, some places benchmark data is not required and only opens an unending path in trying to figure out how to get the permits done and the site fixed. If you want to treat the Stormvault/Stormfilter supposedly has filters that can remove dissolved metals. Your sampling will show problems with the asphalt also.
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I think that as for stormwater quality programs go Wisconsin is one of the best technically. California and Maryland have some good info too, but Wisconsin ran some really advanced tests on pollution from different ladn uses and different treatments and have some specific info on metal recycling. I would contact their staff directly if you want examples of pollutants they found.
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