Washington Administrative Code Title 372 - Ecology, Department of (Water Pollution)
Washington Administrative Code – Title 372: Ecology, Department of (Water Pollution)
Overview:
Title 372 of the Washington Administrative Code (WAC) contains regulations adopted by the Washington State Department of Ecology related specifically to water pollution control. This title is part of the state's efforts to maintain and restore water quality in rivers, lakes, groundwater, and marine environments in accordance with both state and federal laws, including the Clean Water Act.
Key Chapters in WAC Title 372 (As of last update):
WAC 372-30 – Water Pollution Control Revolving Fund Loan Program
Establishes rules for the administration of financial assistance programs aimed at supporting water pollution control facilities.
Includes procedures for applying, eligibility requirements, loan terms, and priority rating systems.
Supports municipalities in planning, designing, and constructing water quality improvement projects.
WAC 372-32 – Marine Sanitation Devices
Regulates the use and discharge from marine sanitation devices (MSDs) on boats and vessels.
Establishes No Discharge Zones (NDZs) where discharges from MSDs are prohibited.
Aims to reduce pollution in sensitive or high-use water bodies from vessel sewage.
Authority & Purpose:
These regulations are authorized under chapters such as:
RCW 90.48 – Water Pollution Control Act
RCW 70A.125 – Clean Water and Shorelines Act (formerly part of RCW 70.118)
Comply with federal mandates under the Clean Water Act (CWA), particularly sections dealing with wastewater treatment, stormwater management, and nonpoint source pollution.
Programs & Implementation Areas:
Permitting (NPDES): National Pollutant Discharge Elimination System permits for wastewater dischargers.
Financial Assistance: Loans and grants for infrastructure (e.g., wastewater treatment facilities).
Enforcement: Penalties and corrective measures for violations.
Technical Support: Guidance and oversight to local governments and industry.
Public Engagement: Public comment periods and stakeholder involvement in rulemaking.
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