San Luis Reservoir image via Google Earth

published on July 18, 2019 - 2:16 PM
Written by The Business Journal Staff

State officials are warning people to avoid physical contact with the water at the San Luis Reservoir in Merced County due to an algal bloom at dangerous levels.

They are also asking people not to eat fish from the lake.

The Department of Water Resources increased the advisory from warning to danger after detecting an increased amount of toxins.

Boating is allowed, but swimming and other water-contact recreation and sporting activities are not considered safe under the danger advisory announced Thursday due to potential adverse health effects. O’Neill Forebay remains free from algal bloom advisories.

Advisories are based on the potential health risks from algae. Exposure to toxic blue-green algae, also known as cyanobacteria, can cause eye irritation, allergic skin rash, mouth ulcers, vomiting, diarrhea and cold- and flu-like symptoms.

The advisory recommends keeping pets away from the water. They are especially susceptible because they tend to drink while in the water and lick their fur afterwards.

A similar danger warning was issued last month.

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