Metropolitan Council Environmental Services Environmental Compliance Metropolitan Council

Metropolitan Council Environmental Services Environmental Compliance Metropolitan Council Environment Committee May 10, 2011 Keith Buttleman, Assistant General Manager Mary Gail Scott, Manager Environmental Quality Assurance Environmental Compliance A Clean Water Agency

Foundation n Commitment to quality n Public expectations n Legal requirements

Legal Requirements n Federal and State laws and regulations n Permits n Other programs

How Compliance Happens n Requires involvement by everyone n Role of Environmental Compliance section — — Track regulations Negotiate permit terms Ensure understanding Consult on issues

Demonstrate Compliance n Collect and analyze water samples n Monitor air emissions n Other required reports n Internal audits n Public concerns

How Are We Doing? n 97 -99% removal of Biochemical Oxygen Demand (BOD) n 97 -99% removal of Total Suspended Solids (TSS) n Regularly do better than permit requirements n Metro’s incinerator efficiency among best in US

How Are We Doing? n All facilities: Perfect compliance with effluent limitations for 51 months n Individual plants: – – – – Hastings St. Croix Valley Seneca Blue Lake Eagles Point Empire Metro 20 years 19 years 10 years 5 years 4+ years

Permit Reissuance Issues n Phosphorus n PFOS n Nitrogen n Overflows in remaining combined local sewers n Seneca air emissions

Future Issues n Contaminants of emerging concern ― Endocrine disruptors ― Personal care products ― Pharmaceuticals

Future Issues n Total Maximum Daily Loads (TMDLs) — Point v. Nonpoint — Phosphorus — Solids (TSS) — Others

Summary n Foundation n Legal Requirements n Internal Systems n Current Performance n Challenges