Has an NCAA Baseball game ever ended 30-16?
Exactly once. On May 19, 2022, Iowa beat Indiana 30-16, and no NCAA Baseball game before or since has ended that way. When it happened it was a scorigami, the first 30-16 in league history.
That makes 30-16 the 457th most common final score out of 531 that have ever occurred in NCAA Baseball. One point away, 31-16 has happened 1 times and 30-17 has happened 1 times.