
Clean Marine Green Leaf Eco-Rating Program
Ontario Marine Operators Association
Certify your marina or marine facility with a recognized environmental standard
Key Strengths
- Developed collaboratively with 20+ marine industry organizations, boating associations, and angling groups
- Tiered Green Leaf rating system rewards and incentivizes continuous environmental improvement
- Covers key marine environmental areas: waste, fuel handling, water quality, and stewardship
- Recognized as a leading North American standard for marina environmental performance
- Third-party independent verification adds credibility to certification claims
- Relevant to both Canadian and U.S. marina operators
Ideal For
This certification is best suited for marina owners and operators in Canada and the United States who want third-party recognition of their environmental stewardship practices. It is particularly valuable for facilities seeking to differentiate themselves to environmentally conscious boaters and anglers, or those looking to align with industry best practices in waste management, fuel handling, and water quality protection.
Target Audiences
Relevant Roles
Industries
Alignment & Recognition
Accrediting Body
Building Scope
Overview
The Clean Marine Green Leaf Eco-Rating Program is a voluntary environmental certification for marinas and marine facilities in Canada and the United States. Developed by the Ontario Marine Operators Association (OMOA) in partnership with over twenty marine industry organizations, boating associations, and angling groups, the program establishes a set of environmental best practices designed specifically for the marine industry.
Facilities that participate are evaluated against these best practices and awarded a Green Leaf eco-rating, with higher ratings reflecting stronger environmental performance. The program covers areas such as waste management, fuel handling, water quality protection, and general environmental stewardship — helping marina operators reduce their environmental footprint while demonstrating a commitment to responsible operations.
The certification is considered a leading standard for environmental performance in the North American marine industry. It is relevant to marina owners and operators seeking third-party recognition of their environmental efforts, and to boaters and anglers looking to patronize facilities that meet a credible ecological benchmark.
Requirements & Verification
Evidence Requirements
Conformity with Clean Marine Green Leaf Eco-Rating Program's standard is verified by an independent organization (third party).
Prerequisites
Assessment Process
Certified facilities are evaluated by an independent third-party organization against the Clean Marine Green Leaf program's environmental best practice standards. The assessment covers operational areas including waste management, fuel handling, water quality protection, and general environmental stewardship. Facilities are awarded a tiered Green Leaf rating (1–5 leaves) based on the level of conformity demonstrated during the review.
Renewal & Compliance
Facilities must undergo periodic re-evaluation by an independent third-party assessor to maintain their Green Leaf eco-rating. The renewal process involves reassessment against the Clean Marine program's environmental best practice standards, ensuring continued conformity and ongoing environmental improvement. Specific renewal intervals and fees are set by the Ontario Marine Operators Association (Boating Ontario) and may vary by facility type and rating level.
Accountability Model
Consider Alternatives If...
Facilities outside the marine industry or those not operating marinas or waterfront facilities will find this program irrelevant to their operations. Operators seeking a broad environmental management system certification (e.g., ISO 14001) rather than a sector-specific eco-rating may prefer a more comprehensive framework.
Alternative Programs
How to Get StartedAI-synthesized
- Review the program standards: Download the Clean Marine Green Leaf program documentation from Boating Ontario (boatingontario.ca) to understand the environmental best practices and rating criteria applicable to your marina or marine facility.
- Conduct a self-assessment: Evaluate your facility's current operations against the Clean Marine criteria across key areas — waste management, fuel handling, water quality protection, and general environmental stewardship — to identify gaps.
- Implement improvements: Address any gaps identified in your self-assessment by updating operational procedures, installing required equipment (e.g., fuel spill containment, waste collection stations), and training staff on environmental best practices.
- Apply to the program: Contact Boating Ontario or your regional Clean Marine coordinator to submit a formal application for certification and schedule your third-party assessment.
- Undergo third-party evaluation: An independent assessor will visit your facility and review your operations, documentation, and physical infrastructure against the program's standards. Be prepared to demonstrate compliance across all applicable criteria.
- Receive your Green Leaf rating: Based on the assessment results, your facility will be awarded a tiered Green Leaf rating (1–5 leaves) reflecting your level of environmental performance.
- Display your certification and maintain standards: Use the Green Leaf seal in your marketing materials and on-site signage. Continue improving your environmental practices to maintain or advance your rating at renewal.
What Gets EvaluatedAI-synthesized
The Clean Marine Green Leaf Eco-Rating Program evaluates marina and marine facility operations across several key environmental categories. Assessors examine waste management practices, including the proper handling, storage, and disposal of solid waste, recyclables, and hazardous materials such as used oil, batteries, and antifreeze. Fuel handling and spill prevention is a critical area, covering fuel dock design, spill containment equipment, employee training, and emergency response procedures.
Water quality protection is assessed through practices related to sewage and grey water management, boat bottom paint and antifouling practices, and the prevention of pollutants from entering adjacent waterways. Facilities are also evaluated on general environmental stewardship, which may include energy efficiency measures, use of environmentally friendly products, habitat protection efforts, and customer/boater education initiatives.
The tiered rating system (1 to 5 Green Leaves) reflects the cumulative level of conformity across these categories, with higher leaf ratings awarded to facilities demonstrating more comprehensive and proactive environmental management. Facilities must meet a minimum threshold of best practices to achieve any rating, and progressively higher ratings require demonstrated excellence across a broader range of criteria.
Market Context & AdoptionAI-synthesized
The Clean Marine Green Leaf Eco-Rating Program is one of the longest-standing marina-specific environmental certification programs in North America, having been established around 2000. It is particularly well recognized in Ontario and across Canada, where Boating Ontario (formerly the Ontario Marine Operators Association) has strong industry reach. The program has also expanded to recognize U.S. marinas, though its primary adoption base remains Canadian. Hundreds of marinas across Canada and the northeastern United States have participated in the program, making it a credible benchmark for environmental performance in the recreational boating sector.
The program competes with similar initiatives such as the Blue Flag Marina certification (internationally recognized, administered by the Foundation for Environmental Education) and various state-level Clean Marina programs in the United States coordinated by the National Oceanic and Atmospheric Administration (NOAA) and the National Marina Manufacturers Association. Blue Flag tends to have stronger international brand recognition, particularly in Europe, while Clean Marine Green Leaf holds stronger recognition within the Canadian market. ISO 14001 is sometimes pursued by larger marina operators seeking a broader environmental management system, but it lacks the sector-specific focus of Clean Marine.
Demand for marina environmental certification is growing as boaters and anglers increasingly prioritize environmentally responsible facilities, and as regulatory pressure on waterfront operations intensifies. Climate change, invasive species concerns, and water quality regulations are all driving marina operators to seek credible third-party recognition of their environmental efforts. The Clean Marine program's collaborative development with over 20 industry organizations gives it strong legitimacy within the Canadian marine sector, and its tiered structure encourages continuous improvement rather than a binary pass/fail outcome.
History & EvolutionAI-synthesized
The Clean Marine Green Leaf Eco-Rating Program was developed in the late 1990s and formally launched around 2000 by the Ontario Marine Operators Association (OMOA), now known as Boating Ontario. The program was created in response to growing environmental concerns about the impact of marina operations on Canadian waterways, including issues related to fuel spills, waste disposal, and water quality degradation. Recognizing that the marine industry needed a credible, sector-specific environmental standard, OMOA convened a broad coalition of more than twenty marine industry organizations, boating associations, and angling groups to collaboratively develop the program's best practice criteria.
Over the years, the program expanded beyond Ontario to encompass marinas across Canada and into the United States, establishing itself as a leading North American standard for marina environmental performance. The tiered Green Leaf rating system was designed to reward incremental improvement, making the program accessible to facilities at various stages of environmental maturity. Boating Ontario continues to administer the program and periodically updates the standards to reflect evolving environmental regulations, industry practices, and ecological priorities.
Frequently Asked Questions
Quick Facts
Certification
English
2000
Available
How to Display This Recognition
Certification Details
Assessment
Verification
Structure
Governance
Fee Structure
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Sources & Citations
Content on this page is AI-enriched from primary sources.
Program WebsiteOntario Marine Operators AssociationLast verified Jun 5, 2026