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De Soto Parish approves landfill leachate pilot with Patented Water Technologies
Summary
The Solid Waste Committee authorized a pilot test with Patented Water Technologies at the Monday landfill leachate pond, limiting parish costs to electricity not to exceed $1,000; the vendor estimates potential reductions of about 50% of current leachate treatment costs.
The De Soto Parish Solid Waste Committee voted to adopt Resolution No. 21 of 2026, authorizing the president to execute documents with Patented Water Technologies LLC to run a pilot treatment at the Monday landfill leachate detention and pretreatment pond. The parish's cost exposure for the pilot is limited to electricity usage not to exceed $1,000.
Christopher Randolph, representing Patented Water Technologies, told jurors the vendor will absorb testing and other costs while the parish provides on-site electricity for the pilot. "The test will take about 7 to 14 days," Randolph said, describing prior case studies and partnerships with LSU and USDA. He said the company expected to reduce leachate treatment costs by around 50% compared with the parish's current reverse-osmosis system, which was discussed as having an annual treatment cost in the low millions.
Committee members asked for clearer budget implications and practical details. Staff said the pilot's electricity cost would be the parish's only direct expenditure and that logistical issues — equipment placement and electrical hook-up — remained to be finalized before testing could begin.
After questions about cost and outcomes, the committee voted to approve the resolution and begin the pilot. The committee asked staff to monitor the trial, collect data on performance and costs, and report results to the committee after the pilot concluded.
The pilot is intended to test a circulation/destratification process that the vendor characterizes as largely mechanical and natural, with optional finishing agents only if the parish elects to change from the existing reverse-osmosis treatment approach.
Next steps include site set-up, the 7–14 day testing window, monitoring of electricity usage (capped at $1,000), and a staff report to the committee summarizing outcomes and any recommended next steps.
