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Algae Bloom Advisories
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Algae Bloom Season

When in doubt, stay out!

Exposure to harmful algae blooms increases in warmer months. OHA staff advise people to be alert for algae blooms when recreating in your favorite swimming or fishing hole. 

  • Avoid waters that look suspicious (foamy, scummy, thick like paint, pea-green, blue-green or brownish red).
  • Remember, even if an advisory is not in place or you didn't notice a sign, you are always your own best advocate when it comes to looking out for you, your family and your pets.
The map and table below are continually updated with the most current information on advisories issued and lifted throughout the season for waterbodies that are monitored. Be advised however, that only a fraction of all waterbodies in Oregon are monitored due to limited physical and monetary resources.
 2014 Advisory Listing
​# Waterbody​ Region​ County​ Dominant Species / Toxin​​ Cell Count/Level​ ​Start Date ​End Date ​Duration (days)
1​ Lost Creek Lake  Southwest  Jackson  Anabaena flos-aquae  3,222,251 cells/mL 6/3/2014 6/26/2014 22
​2 ​Odell Lake ​Central ​Klamath ​Microcystin 675 parts per billion 7/21/2014

 2014_Advisories 7-21.gif

Details of historical health advisories issued in previous years can be found in the Advisory Archive.

Subscribe for email notification Join our Listserv

The HABS program has created a listserv to share information with partners, stakeholders and interested people. When an advisory is issued, an email is sent to subscribers that includes the news release and water sample results (algae species and cell counts). Emails are also sent when an advisory is lifted. Other timely information may be periodically shared as well. Join the list.​​​​​