In the sea, no. If a Coast Guard or other patrol sees you peeing off your boat they are not likely to issue any summons (unless you're hung like a porn star!). Peeing in a river is another matter.
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Federal law says that untreated sewage (even if it's been dosed with a deodorant product) can NOT be discharged in inland or coastal waters. This means the sewage from a portable toilet or a Type III holding tank can not be discharged unless you are in the ocean more than 3 miles offshore.
Pumpout ServicesFederal law says that untreated sewage (even if it's been dosed with a deodorant product) can NOT be discharged in inland or coastal waters. This means the sewage from a portable toilet or a Type III holding tank can not be discharged unless you are in the ocean more than 3 miles offshore.