Effects of post-event event effluent on sea fishing

[I-K-E]

one question would be assuming that the effluent did make it out to sea then how long would it be before it breaks down or it is that dispersed that it becomes less off an issue.

tides and currents will have a big impact on any area and I think that you could put a time on the breakdown but this would vary depending on the time of year (temperature).