Honeoye Lake also has confirmed blue-green algae and its Sandy Bottom swim beach was closed for the rest of the season.

Seneca Lake Pure Waters Inc. reported Thursday water samples taken the last week of August on Seneca Lake confirm blue-green algae.
Contact with waters containing blue-green algae by people or animals should be avoided when blooms are present because blooms produce toxins that can have harmful effects from skin irritation to lung, liver and nervous system problems depending on the exposure. These toxins have been known to be fatal in animals that have been exposed, since they often groom by licking their skin or fur.
Hobart and William Smith College’s Finger Lakes Institute (FLI) and SUNY College of Environmental Science and Forestry (SUNY ESF) tested samples from two locations, the Perry Point area near Dresden and the Hector shoreline north of Glen Eldridge Point. Levels of cyanobacteria, the toxin released by the algae, are considered harmful to people and animals from the tests at those locations.
Several other visual reports of suspicious algae blooms have been reported from around the lake this past week. HABs look like pea soup; blue, green, or white spilled paint; green dots in the water, or green globs on the water surface parallel streaks, usually green.
Contact with such waters by people or animals should be avoided when blooms are present because blooms produce toxins that can have harmful effects from skin irritation to lung, liver and nervous system problems depending on the exposure. These toxins have been known to be fatal in animals that have been exposed, since they often groom by licking their skin or fur.
This is the second year in a row that cyanobacteria has been confirmed in Seneca Lake, with three confirmed occurrences during the late summer of 2015. Conditions are “ripe” for the continuing HABs blooms as long as the warm weather and water conditions remain, according to Seneca Lake Pure Waters Association.