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Division of Drinking and Ground Waters Harmful Algal Bloom Information for Public Water Systems

Harmful Algal Blooms (HABs):  
Information for Public Water Systems

Blue-green algae (also known as cyanobacteria) are microscopic organisms found naturally in surface water that can sometimes overproduce to form harmful algal blooms (HABs).  HABs can potentially produce toxins that can cause illness or irritation -- sometimes even death -- in pets, livestock, and humans. In addition to producing toxins, blue-green algae can also pose other treatment challenges for water systems including taste and odor and shortened filter run times. The information below is provided to assist public water system operators with preventing, identifying, and responding to harmful algal blooms. 

General Information



Responding to a Suspected Bloom

Treatment Effectiveness and Optimization



Prevention and Reservoir Management 


Training Opportunities

 
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Contact the Division of Drinking and Ground Waters
Mailing Address: P.O. Box 1049, Columbus, OH 43216-1049
Street Address: 50 West Town Street, Suite 700 Columbus, OH 43215
Phone: (614) 644-2752 ~ Fax: (614) 644-2909 ~ E-mail
Emergency Contacts ~ Staff Contacts and Expertise ~ Electronic Mailing Lists
Emergency Response Hotline (800) 282-9378
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