Boating Certification Test Environmental Protection & Regulations 2 — Questions and Answers
Question 1: Under the Clean Water Act, what is the minimum distance from shore that a vessel must be before discharging treated sewage in coastal waters?
- 3 nautical miles (Correct answer)
- 12 nautical miles
- 25 nautical miles
- There is no minimum distance for treated sewage
Correct answer: 3 nautical miles
The Clean Water Act prohibits discharge of sewage within 3 nautical miles of shore in coastal waters, even if treated.
Question 2: Which federal agency is primarily responsible for enforcing the Oil Pollution Act on U.S. waterways?
- EPA
- U.S. Coast Guard (Correct answer)
- NOAA
- Army Corps of Engineers
Correct answer: U.S. Coast Guard
The U.S. Coast Guard is the primary enforcement agency for the Oil Pollution Act on navigable waters.
Question 3: What does the term 'No Discharge Zone' (NDZ) mean for boaters?
- No fuel discharge allowed
- No sewage discharge of any kind is permitted (Correct answer)
- No ballast water discharge
- No discharge of any fluids including bilge water
Correct answer: No sewage discharge of any kind is permitted
A No Discharge Zone prohibits all sewage discharge from vessels, including sewage that has been treated.
Question 4: Aquatic invasive species are most commonly spread between water bodies by boaters through:
- Fuel exhaust emissions
- Bilge water, livewells, and equipment not properly cleaned (Correct answer)
- Engine oil leaks
- Anchor chain rust
Correct answer: Bilge water, livewells, and equipment not properly cleaned
Invasive species hitchhike in bilge water, livewells, baitwells, and on hulls, trailers, and gear that isn't cleaned between uses.
Question 5: When is it legal to discharge untreated gray water (sink/shower water) from a recreational vessel in the U.S.?
- Never; all gray water must be held
- Gray water is generally not regulated the same as sewage and may be discharged (Correct answer)
- Only beyond 25 miles offshore
- Only in freshwater lakes
Correct answer: Gray water is generally not regulated the same as sewage and may be discharged
Gray water (from sinks and showers) is generally not classified as sewage under federal law and is usually not regulated the same way, though state rules may vary.
Question 6: A boat operator notices an oily sheen trailing behind their vessel. What is the correct first action?
- Continue operating and monitor the sheen
- Stop the engine and identify the source of the oil leak (Correct answer)
- Disperse the sheen with soap or detergent
- Speed up to outrun the sheen
Correct answer: Stop the engine and identify the source of the oil leak
You must stop and identify the source of the leak; adding dispersants is also illegal and can worsen environmental damage.
Question 7: Which of the following best describes a Type III Marine Sanitation Device (MSD)?
- A device that treats sewage to federal standards before discharge
- A holding tank that retains all sewage for onshore disposal (Correct answer)
- A device that incinerates sewage onboard
- A flow-through system that discharges raw sewage offshore
Correct answer: A holding tank that retains all sewage for onshore disposal
A Type III MSD is a holding tank with no discharge capability; all waste must be pumped out at a shore-based facility.
Boating Certification Test Environmental Protection & Regulations 2
Under the Clean Water Act, what is the minimum distance from shore that a vessel must be before discharging treated sewage in coastal waters?