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Quarterly Environmental Compliance Report

Quarterly Environmental Compliance Report. Presented to the Environment Committee April 28, 2009. Mary Gail Scott Manager, Environmental Compliance. WWTP Effluent Performance. Mass discharge quarterly totals: Jan – Mar 2009. NPDES Permit Compliance – Discharge Exceedances . Plant.

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Quarterly Environmental Compliance Report

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  1. Quarterly Environmental Compliance Report Presented to the Environment Committee April 28, 2009 Mary Gail Scott Manager, Environmental Compliance

  2. WWTP Effluent Performance Mass discharge quarterly totals: Jan – Mar 2009

  3. NPDES Permit Compliance – Discharge Exceedances Plant # Exceedances/Calendar Qtr Oct - Dec 08 Jan - Mar 09 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Blue Lake Eagles Point Empire Hastings Metro Rosemount St. Croix Valley Seneca March 2009 marks 26 months of continuous compliance with discharge limitations of MCES facilities

  4. WW Mercury Reduction • Identified dentist offices as significant sources of influent Mercury • Partnered with MN Dental Association to encourage use of mercury amalgam separators in central vacuum systems • Virtually 100% participation has reduced mercury influent to WWTP by approximately 50% • State-wide program extension through MPCA MOU

  5. EC Updates • Mercury emissions at the Metro Plant continue to be very low.

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