Read this important article because it will apply to Indian Point.
The question is not what is allowable under NRC regulations but what happens when swimers, boaters, children playing on shore and also fish and wildlife ingest a radioactive isotope? It remains in bone and tissue for the life disrupting cell function.
From the article:
“I stand in solidarity with you to prevent Holtec from dumping into Cape Cod Bay,” Chang-Diaz said. “It’s bad for the community and bad for health. The NRC has repeatedly broken your trust again and again, they need to listen to the public outcry to reverse this decision.”