Skip to main content
Minnesota Department of Health logo
  • Main navigation

    • Home
    • Data, Statistics, and Legislation
    • Diseases and Conditions
    • Health Care Facilities, Providers, and Insurance
    • Healthy Communities, Environment, and Workplaces
    • Individual and Family Health
    • About Us
    • News and Announcements
    • Translated Materials

Main navigation mobile

  • Data, Statistics, and Legislation
  • Diseases and Conditions
  • Health Care Facilities, Providers, and Insurance
  • Healthy Communities, Environment, and Workplaces
  • Individual and Family Health
  • About Us
  • News and Announcements
  • Translated Materials
MDH Logo

Breadcrumb

  1. Home
  2. Diseases and Conditions
  3. Harmful Algal Blooms (HABs)
Topic Menu

Harmful Algal Blooms

  • Harmful Algal Blooms Home
  • Fact Sheet
  • Causes and Symptoms
  • Prevention
  • Illness in Animals
  • Statistics
  • For Local Government Agencies
  • For Veterinarians

Related Topics

  • Waterborne Illness
  • Recreational Water Illness
  • Infectious Diseases A-Z
  • Reportable Infectious Diseases

Harmful Algal Blooms

  • Harmful Algal Blooms Home
  • Fact Sheet
  • Causes and Symptoms
  • Prevention
  • Illness in Animals
  • Statistics
  • For Local Government Agencies
  • For Veterinarians

Related Topics

  • Waterborne Illness
  • Recreational Water Illness
  • Infectious Diseases A-Z
  • Reportable Infectious Diseases
Contact Info
Infectious Disease Epidemiology, Prevention and Control Division
651-201-5414
IDEPC Comment Form

Contact Info

Infectious Disease Epidemiology, Prevention and Control Division
651-201-5414
IDEPC Comment Form

Harmful Algal Blooms (HABs)

Harmful algal blooms (HABs) are blue-green algal blooms that contain toxins that can cause illness in humans and animals.

  • Harmful Algal Blooms (HABs) Fact Sheet
    Frequently asked questions about blue-green algae and HABs including information about health effects and what you should do if you see a bloom.

  • Causes and Symptoms of Harmful Algal Bloom-Related Illness
    HAB-related illness facts, including common symptoms and how people are exposed.

  • Preventing Harmful Algal Bloom-Related Illness
    Learn how to minimize your risk of exposure to cyanotoxins.

  • Harmful Algal Bloom-Related Illness in Animals
    Information about how animals are exposed to cyanotoxins, common symptoms, and preventative measures.

  • Tools for Local Government Agencies
    Sample materials designed to assist local authorities with lake and beach advisories due to blue-green algae.

  • Harmful Algal Bloom-Related Illness Information for Veterinarians
    Reporting information, symptoms, differential diagnoses, possible laboratory findings and more.

For additional information about blue-green algae and HABs:

  • Health-Based Water Guidance for Microcystin
    Information about health-based rules and guidance for microcystin-LR in water.
  • Blue-Green Algae and Harmful Algal Blooms
    MPCA; Information about HABs in Minnesota including pictures of what HABs look like.
  • Harmful Algal Bloom (HAB)-Associated Illness
    CDC; Information about sources of exposure and risk factors, signs and symptoms of HAB-related illnesses, and prevention and controls measures.
  • Harmful Algal Blooms
    EPA; Information about what HABs are, how to stay safe, and how to prevent HABs from forming.
  • Cyanobacterial Harmful Algal Blooms (CyanoHABs)
    EPA; Information about cyanotoxins, including how to prevent, detect, mitigate, and treat them.
Tags
  • harmful algal blooms (HABs)
Last Updated: 10/26/2022

Get email updates


Minnesota Department of Health logo

Privacy Policy
Equal Opportunity
Translated Materials
Feedback Form
About MDH
Minnesota.gov
  • Facebook
  • Twitter
  • Linked In
  • Instagram
  • Youtube
Minnesota Department of Health Minnesota Department of health print search share facebook instagram linkedin twitter youtube