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Montgomery County Yard Trim Compost Facility

Montgomery County Yard Trim Compost Facility. Dickerson, MD. Dickerson Compost Facility. Operation of Facility. Facility is owned by County Operation is by contract with MES Site sits on 117 acres Composting is done on 48-acre asphalt pad Composting began in 1984 with leaves only

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Montgomery County Yard Trim Compost Facility

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  1. Montgomery County Yard Trim Compost Facility Dickerson, MD

  2. Dickerson Compost Facility

  3. Operation of Facility • Facility is owned by County • Operation is by contract with MES • Site sits on 117 acres • Composting is done on 48-acre asphalt pad • Composting began in 1984 with leaves only • Now composting leaves & grass • Cycle begins in Nov. with leaves, grass is added in Spring, process is completed in Sept. • Material is screened sold in bags or bulk

  4. Grinding of Material at Transfer Station

  5. Windrow composting system is used

  6. Making of Windrows

  7. Scarabs are used to turn windrowed material at 140° F

  8. Screening of Material

  9. Bagging of Material

  10. Incoming Yard Trim

  11. Leafgro Bulk sales

  12. Bagged Leafgro to Distributors

  13. Reintroduction of ComPRO for lawns

  14. Environmental Controls • National Pollutant Discharge Elimination (NPDES) Permit: • Parameters - Biochemical Oxygen Demand (BOD) 100 mg/l • Total Suspended Solid (TSS)100 mg/l • pH 6-9 mg/l • Permit allows discharge into streams when parameters are met • The Water is usually used to irrigate rows in the summer

  15. Legal Controls • SCA Agreement of Settlement & Compromise - 1996 Places restrictions on facility • Limits materials to site to 77,000 tons per year • Prohibits expansion of facility • Limits days and hours of operation- M-F 7:30-4:30PM • County has to meet with SCA periodically and prepare two reports a year

  16. County Facilities in Dickerson

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