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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

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

national pretreatment program
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
purpose of the waste discharge rules
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
purpose of the waste discharge rules cont d
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
need for wdr additions and revisions
Need for WDR Additions and Revisions
  • Incorporate New State Pretreatment Rules
  • Incorporate “Customer Community” requirements
  • Revise to reflect current conditions (examples)
proposed revisions and format change
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
proposed revisions and format change1
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
customer community requirements incorporated in proposal
Customer Community Requirements Incorporated in Proposal
  • Direct connections to the MDS
  • Sewer cleaning and maintenance practices
  • Information and plan submittal
highlights of other proposed waste discharge rules revisions
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
highlights of other proposed waste discharge rules revisions1
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
highlights of other proposed waste discharge rules revisions2
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
next steps for wdr revisions
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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