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Kootenai County tests reverse-osmosis pilot to treat landfill leachate; early results show tens of thousands of gallons reclaimed
Summary
Kootenai County Solid Waste reported an operational reverse-osmosis/ultrafiltration pilot at the Fighting Creek landfill that has produced roughly 350,000 gallons of reclaimed water so far. County staff said they will continue testing before recommending permanent purchase.
Kootenai County Solid Waste staff reported Wednesday that a newly installed reverse-osmosis and ultrafiltration pilot system is operating at the Fighting Creek landfill and has produced roughly 350,000 gallons of treated (reclaimed) water since the pilot began.
The pilot was brought to the landfill after county staff learned local regional publicly owned treatment works would no longer accept untreated landfill leachate unless key constituents such as PFAS, PCBs and high total dissolved solids (TDS) were removed. "Leachate's considered an industrial wastewater, and it can be difficult to treat," JP said during the county's solid waste update. He said Jacobs Engineering and Dynatech (a New Jersey firm) were engaged to test and supply the system.
Why it matters: the county relies on…
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