SADDLE BROOK, NJ - Those who happened to be going through Otto C. Pehle Saddle River County Park with an entrance on Saddle River Road yesterday or today, may have gotten a whiff of a rather stank odor. It wasn't until getting to the rear of the pond that it became clear why.

There were about 100 dead fish being pulled from the lake Thursday morning. 

By Friday morning, they were bagged on the embankment. 

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"It was the heat," one of the workers said, when runner Will Rodriguez asked what killed them.

In the hottest days of the summer, the pond often smells of stagnant algae, but the current odor far exceeds the normal low grade offensive smell.

A representative from the County Parks Department said they have received many calls on the issue as of Thursday and crews were sent to clear the pond of the dead fish.

The county park has an 11-mile trail that extends through Fair Lawn, Glen Rock, Saddle Brook, Rochelle Park, Paramus and Ridgewood.