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Maryland RegulationsIntermediate 25 min read

Maryland Wastewater Collection: SSO Consent Decrees, I/I, and the Class 1-2 Ladder

The core regulatory study guide for both Maryland Wastewater Collection classes (1 and 2), covering the Baltimore City Consent Decree, WSSC's SR3 program, infiltration/inflow management, and COMAR 26.06.01 certification.

Maryland Wastewater Collection: SSO Consent Decrees, I/I, and the Class 1-2 Ladder
Overview
Maryland's wastewater collection system operator certification has just two classes -- Class 1 and Class 2 -- under COMAR 26.06.01, Table 6. Despite the simple two-tier ladder, Maryland collection operators work in some of the most heavily scrutinized sewer systems in the country, particularly in the Baltimore and DC-suburban metro areas, where large-scale federally mandated rehabilitation programs are underway.
Regulatory Framework
  • Certifying body: The Board of Waterworks and Waste Systems Operators, under MDE's Water Supply Program.
  • Governing regulation: COMAR 26.06.01 (certification); Table 6 covers Collection System classification.
  • Renewal cycle: 3 years, per COMAR 26.06.01.16, Table 8.
  • Discharge/overflow oversight: Clean Water Act NPDES permitting a

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