Harmful Algae Blooms Detected in Deadman Creek, observed in Hummingbird and Odell Lakes


Recent testing yielded positive results for small amounts of toxic algae in Deadman Creek and visual
observations made at Hummingbird and Odell Lakes in the 20 Lakes Basin may indicate toxic algae is
also present in these two lakes. Toxic algae may exist in other sites on the forest.
Toxins are concentrated within the algal mats themselves and released episodically into the water
when the algae dies or is disturbed.
For your safety, do not enter the water or drink in these areas. Filtering and/or boiling the water is not
effective against this type of algae.
Prevent pets from drinking the water and eating or touching algae in the water and dried on the shore.
In particular, prevent dogs from eating dried algal mats on shore.
Please report any large algal blooms and/or algae that is particularly bright, bubbly, strange-looking, or
appears like a haze in the water.
Do not disturb algal mats in any way. Wading or swimming can cause toxins to be released into the
water.
If you suspect a site has toxic algae, do not enter the water and do not drink water from the area. While
some sites are signed based on testing results, it’s likely that algae exists in other parts of the forest.
Don’t rely on signage alone.
According to the California Water Quality Monitoring Council, the following signs and symptoms may
occur within 48 hours of exposure to a waterbody with a suspected or confirmed algal bloom:
• sore throat or congestion;
• coughing, wheezing, or difficulty breathing;
• red, or itchy skin, or a rash;
• skin blisters or hives;
• earache or irritated eyes;
• diarrhea or vomiting;
• agitation;
• headache; and/or,
• abdominal pain.
-more-
If people show symptoms of cyanotoxin and/or cyanobacteria exposure after contact with water, or with
scums or mats of algae, they should receive immediate medical attention. Additional resources are
available from the Centers for Disease Control and Prevention (CDC), and by contacting the California
Poison Control Center (1-800-222-1222). See the HAB-related Illness Tracking webpage for
information on previously reported human illnesses related to HABs in California.

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SierraWaveReader
SierraWaveReader
1 month ago

I appreciate the notification of current blooms and the reminder to stay mindful of them!

INYOFACE
INYOFACE
1 month ago

OMG, An Algae Bloom, The exact same bloom that has happened sporadically , off and on for the last 20.000 years , ever since the last ice age.
It must be due to CLIMATE CHANGE . I think i will Overdose myself , just cant take the Carbon you people create. lol

mono resident
mono resident
1 month ago
Reply to  INYOFACE

” I think i will Overdose myself”

Oh, good!

David Dennison
David Dennison
1 month ago
Reply to  INYOFACE

INYOFACE
Let me ask you a question….if I may

If “that other guy” suddenly said climate change was the real thing,effecting all of us,the environment and the wildlife,and something we should all be aware of and try to do something about…
Would you still feel the same way as you do,or would you follow along and change your current thinking and go along with his thinking ?
My bet is…

bill
bill
1 month ago
Reply to  INYOFACE

Gosh, an algae bloom, in my 68 years here swimming most everywhere in the Owens Valley I’m sure to have swam in it and after thinking about it, we skied in the algae bloom at Walker Lake, bummer when you crashed in it.

Pedro
Pedro
1 month ago
Reply to  INYOFACE

EggOnFace

Seems a 13 year old broke into your liquor cabinet, and hacked your account.

Maybe it’s just the shellfish you harvested during red tide. People have avoided eating those for 20,000 years by the way.