what is allowed to through overboard a boat

Natashya

3 min read

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02-02-2025

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The ocean's vastness can make it tempting to simply toss things overboard. However, disposing of waste from a boat is strictly regulated to protect marine environments and prevent pollution. Understanding what's allowed and what's prohibited is crucial for responsible boaters. This guide will clarify the rules and regulations surrounding overboard disposal.

International Regulations: MARPOL

The primary international convention governing marine pollution is the International Convention for the Prevention of Pollution from Ships (MARPOL). This treaty, adopted by the International Maritime Organization (IMO), sets standards for preventing pollution by ships from operational or accidental causes. MARPOL Annex V specifically addresses garbage disposal at sea. However, its regulations vary in application depending on location and vessel type. Always refer to the most current regulations for your specific area and vessel.

What You CAN Throw Overboard (Generally)

While the list of things you can throw overboard is shorter than the list of prohibited items, some exceptions exist. Always check local and regional regulations, as they can be stricter than international guidelines. Generally, items considered acceptable for overboard disposal include:

Food Scraps and Biodegradable Waste

• Cooked food scraps: These generally decompose quickly and pose minimal environmental risk. However, ensure they are not mixed with other waste.
• Fruit and vegetable peels: Similar to cooked food scraps, these break down relatively fast.
• Paper towels and napkins (uncoated): These are biodegradable but should be avoided if possible, as they still contribute to litter.

Toilet Waste (With Specific Conditions)

• Human waste: The disposal of human waste is heavily regulated. Most vessels are required to use a toilet system that grinds waste and discharges it overboard, usually meeting certain standards for distance from shore and water depth. This is generally only permitted in designated areas and distances from the coast. Check your vessel's specific requirements and always adhere to local regulations. Holding tanks are common and generally required in many coastal areas.

What is STRICTLY PROHIBITED from Going Overboard

The following items are almost universally banned from being thrown overboard:

• Plastics of any kind: This includes plastic bottles, bags, packaging, and fishing gear. Plastics persist in the environment for hundreds of years, harming marine life through entanglement and ingestion.
• Rubber: Similar to plastics, rubber items break down very slowly and can cause significant harm.
• Glass: Broken glass presents a serious hazard to marine life, causing cuts and injuries.
• Metal: While some metals may eventually corrode, many persist for extended periods and can pose environmental risks.
• Paper coated with wax or plastic: These will not break down readily and contribute to marine pollution.
• Oil: Oil spills are incredibly damaging to marine ecosystems. Any discharge of oil is strictly prohibited.
• Chemicals: Discharge of any chemicals is strictly forbidden due to their potential for significant environmental harm.

Proper Waste Management on Your Boat

To avoid any legal issues and to protect the marine environment, follow these best practices:

• Use designated waste receptacles: Many marinas and harbors provide designated bins for different types of waste.
• Employ a proper waste management system: Invest in appropriate waste storage solutions for your boat, including holding tanks for toilet waste and separate bins for different types of garbage.
• Plan your disposal: Before you depart, research the waste disposal facilities available at your destination.
• Dispose of waste responsibly on land: Whenever possible, take your waste ashore for proper disposal.

Consequences of Improper Disposal

Disposing of prohibited items overboard can lead to significant consequences, including:

• Heavy fines: Penalties for violating MARPOL regulations can be substantial.
• Legal repercussions: You could face legal action, including court appearances.
• Damage to reputation: Improper waste disposal can damage your reputation as a responsible boater.

Responsible waste disposal is not just about following the rules; it's about protecting our oceans and preserving marine life for future generations. By adhering to these guidelines, you can contribute to a healthier ocean environment and ensure a more sustainable future for boating. Remember to always check the most up-to-date regulations for your specific location and vessel type before disposing of any waste at sea.