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Metropolitan Council

Metropolitan Council. Environmental Services. Info Item : Waste Discharge Rules. Presented to the Environment Committee September 14, 2010. Keith Buttleman, Asst . General Manager, Environmental Quality Assurance. Leo Hermes, Manager , Industrial Waste, Environmental Quality Assurance.

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Metropolitan Council

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  1. Metropolitan Council Environmental Services Info Item: Waste Discharge Rules Presented to the Environment CommitteeSeptember 14, 2010 Keith Buttleman, Asst. General Manager, Environmental Quality Assurance Leo Hermes, Manager, Industrial Waste, Environmental Quality Assurance A Clean Water Agency

  2. National Pretreatment Program • Clean Water Act; 40 CFR Part 403 • Mn Stat 473.504 • Minnesota delegated state – Minnesota Rules, chapter 7049 • Metropolitan Council: “Control Authority” for industrial users • Council enforces Waste Discharge Rules • Program requirements in each plant NPDES Permit; annual MPCA audits

  3. Purpose of the Waste Discharge Rules • Implement Federal Pretreatment Program • Prevent process interference at wastewater treatment plants • Minimize pollutant pass-through to receiving waters • Avoid residual solids contamination • Protect health/safety of treatment plant staff • Protect regional wastewater infrastructure

  4. Purpose of the Waste Discharge Rules, cont’d • Carry out Water Resources Management Policy Plan • Maintain federal and state grant/loan eligibility • Comply with Clean Water Act • Enable plants to meet NPDES/SDS permit requirements • Prevent Inflow/Infiltration into MDS

  5. Waste Discharge Rules

  6. Need for WDR Additions and Revisions • Incorporate New State Pretreatment Rules • Incorporate “Customer Community” requirements • Revise to reflect current conditions (examples)

  7. Proposed Revisions and Format Change • Article I – Customer Community Requirements: • Connection and withdrawal provisions (some currently in WDR) • Requirements related to customer community sewer operations • Remittance of municipal wastewater charges

  8. Proposed Revisions and Format Change • Article I (cont’d): • Customer community requirements related to MDS facilities • SAC administration – customer community administration • Information and plan submittal

  9. Customer Community Requirements Incorporated in Proposal • Direct connections to the MDS • Sewer cleaning and maintenance practices • Information and plan submittal

  10. Highlights of Other Proposed Waste Discharge Rules Revisions • Article II - Industrial Discharge Permit: • Require information submittal in lieu of permit application • Clarification of permit conditions • Details added related to MCES monitoring rights and methods • Details added for self-monitoring data and report submittal • New provisions for electronic data and information submittal

  11. Highlights of Other Proposed Waste Discharge Rules Revisions • Article III – Specific Programs and Requirements: • Clarification of Pollution Prevention and Best Management Practices • Clarification of sections on hauled waste and special discharges • Incorporation of industrial user SAC provisions • Consolidation of all requirements related to payment of fees and charges by customer communities and industrial users • Incorporation of dental clinic discharge requirements • Incorporation of entry to MDS facilities – security and safety

  12. Highlights of Other Proposed Waste Discharge Rules Revisions • Article IV – MDS Limitations on Discharges: • Clarification of procedures for how we apply limits to hauled waste • Clarification of requirements for grease interceptors and other separators • Requirement to comply with potential regional FOG control program • Clarification of requirements regarding prohibited wastes, including clear water discharges and wastes discharged into sewers to avoid off-site solid waste disposal • Article V – Enforcement • No significant changes proposed

  13. Next Steps for WDR Revisions • MC Legal Counsel and MPCA review • Adoption for Public Meeting purposes • Provide 90 days public notice and conduct public meeting • Direct communications with customer communities and industrial permittees • Approval by EC and final MC adoption • Implementation

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