Pollution and the environmentQuestion 334 of 352

Where must you secure a Type I or Type II device so it cannot discharge?

  1. On any lake with a ramp
  2. Only in the open ocean
  3. Only when the boat is moored
  4. On waters where the EPA bans sewage discharge
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Correct answer: On waters where the EPA bans sewage discharge

In no-discharge zones the device must be locked or closed, so no sewage goes overboard.

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