Boating Coach US
Pollution and the environmentQuestion 333 of 352

A boat is 65 feet or shorter. Which marine sanitation devices may it use?

  1. Only Type III
  2. Only Type II
  3. Type I, Type II or Type III
  4. None
Show answer

Correct answer: Type I, Type II or Type III

Type I devices are allowed only on boats up to about 65 feet. Larger boats need Type II or III.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 159: Marine Sanitation Devices, § 159.7 Requirements for vessel operators

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Questions last reviewed: 18 October 2026