Health Department

Posted on: September 8, 2017

Chautauqua County Harmful Algal Bloom (HAB) Update

MAYVILLE, N.Y.: – This is an update about the occurrence of Harmful Algal Blooms in Chautauqua County lakes.

  • Chautauqua Lake - Widespread HABs in both the South and North Basins.
  • Findley Lake - Widespread HABs throughout lake.

Note that HAB conditions can change rapidly. Use caution when entering the water where an active bloom is present. Avoid any area where the water is discolored or where there are floating algae mats that resemble spilled paint.  Do not ingest the water. Closely watch children and pets.  If exposed to algae, wash off immediately. 

For more information about HABs visit

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