On May 9, 1988 a pond located at a nearby residence near the site suffered a fish and bird kill.
But fish kills, questions about water quality and the widespread perception that the sea was dead took a toll.
Low oxygen levels caused severe lobster and fish kills in 1987.
The fish would have gone down the beach - say, to East Hampton - and killed someone there.
Boyle wrote that fish kills turned the river silver with dead herring.
Some very large fish kills may never be estimated because of these factors.
The 10,000 fish killed this week are more than the river's entire salmon population in some years.
If oxygen levels fall low enough, fish kills may ensue.
But the state's plan hinges on people reporting fish kills quickly.
The fish caught Olifat on a hook, and finally killed him.