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  2. Harmful Algal Blooms (HABs) in Water Bodies
  3. HAB Resources

State & Tribal HAB Programs and Resources

Select state to find cyanobacteria/cyanotoxins resources for each of the States.

MapAlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareWashington, DCFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaAmerican Samoa and Northern Mariana IslandsGuamOhioOklahomaOregonPennsylvaniaPuerto Rico - No Information AvailableRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyomingUS Virgin IslandsTrust Territories

Alabama

  • Alabama Department of Environmental Management, ADEM/ADPH Coastal Alabama Beach Monitoring Program

Alaska

  • Alaska Harmful Algal Bloom Network (AHAB)

Arizona

  • Arizona Harmful Algal Blooms, Arizona Department of Environmental Quality
  • Arizona Water Watch

Arkansas

  • Arkansas Department of Environmental Quality, Online Harmful Algae Bloom Complaint Reporting Form
  • Arkansas Water Resources Center, Algal Blooms in Arkansas Streams, Ponds, and Lakes (pdf)

California

  • California HAB Portal
  • California CyanoHAB Network (CCHAB)
  • California Office of Environmental Health Hazard Assessment (OEHHA) Cyanobacteria Harmful Algal Blooms (HABs) and Cyanotoxins in Recreational Waters

Colorado

  • Colorado Parks and Wildlife Water Conditions Statewide
  • Colorado Lake and Reservoir Management Association Guidance Document for Harmful Algal Blooms in Colorado

Connecticut

  • Connecticut Department of Energy and Environmental Protection, Blue-Green Algae Blooms
  • Connecticut Department of Public Health Section, Blue-Green Algae Blooms
  • Interim guidance to Local Health Departments For Blue–Green Algae Blooms in Recreational Freshwaters
  • Connecticut Long Island Sound Monitoring

Delaware

  • Delaware Department of Natural Resources and Environmental Control, Division of Water: What is a Red Tide?
  • Delaware Health and Social Services Frequently Asked Questions: Cyanobacteria (pdf)
  • Delaware National Resources and the University of Delaware’s Citizen Monitoring Program

District of Columbia

  • District of Columbia Department of Energy and Environment, Algae Blooms in District Waters

Florida

  • Florida Department of Environmental Protection: Blue-Green Algae Information
  • Florida Department of Environmental Protection Bureau of Labs, Biology Section
  • Florida Fish and Wildlife Conservation Commission: Blue-Green Algae (Cyanobacteria)
  • Florida Department of Health, Bureau of Environmental Health, Aquatic Toxics Program
  • Protecting Florida Together: Water Quality Status Map
  • Florida Fish and Wildlife Conservation Commission: Red Tide Current Status

Georgia

  • Georgia Department of Public Health, Coastal Health District, Harmful Algal Bloom
  • Georgia Department of Public Health, Coastal Health District: Frequently Asked Questions About Blue-Green Algae (Cyanobacteria) and Their Toxins
  • Georgia Department of Natural Resources, Environmental Protection Division, Harmful Algal Blooms

Hawaii

  • Hawaii State Department of Health Disease Outbreak Control Division: Stinging Seaweed Disease (Lyngbya)
  • Hawaii State Department of Health Disease Investigation Branch: Ciguatera Fish Poisoning (pdf)

Idaho

  • Idaho Department of Environmental Quality HABs Advisories
  • Idaho Department of Health and Welfare: Harmful Algal Blooms

Illinois

  • Illinois Department of Public Health Harmful Algal Blooms (HABS)
  • Illinois Environmental Protection Agency: Reporting a Harmful Algal Bloom

Indiana

  • Indiana Department of Environmental Management, Addressing concerns about Blue-green Algae
  • Indiana Department of Environmental Management: Blue-Green Algae Sampling Resource List
  • Indiana Department of Environmental Management’s Blue-Green Algae
  • Indiana State Department of Health, HAB Map

Iowa

  • Iowa Department of Health and Human Services, Harmful Algal Blooms
  • Iowa Department of Natural Resources
  • Iowa Department of Natural Resources, Beach Monitoring

Kansas

  • Kansas Department of Health and Environment, Blue Green Algae

Kentucky

  • Kentucky Department for Environmental Protection: Division of Water: Harmful Algal Blooms
  • Kentucky Energy and Environment Cabinet, Harmful Algal Blooms, Division of Water

Louisiana

  • Louisiana Department of Health, Environmental Epidemiology and Toxicology
  • Louisiana Department of Health Office of Public Health
  • Louisiana Department of Health Safe Drinking Water Program

Maine

  • Maine Department of Environmental Protection, Algal Toxins
  • Maine Department of Marine Resources: Red Tide in Maine
  • Maine Department of Environmental Protection, Blue Green Algae Map

Maryland

  • Maryland Department of Natural Resources, Harmful Algal Blooms in Maryland
  • Maryland Department of Natural Resources, Algae

Massachusetts

  • Massachusetts Department of Public Health, Environmental Toxicology Program, Algae
  • Massachusetts Department of Health and Human Services, Algae Monitoring

Michigan

  • Michigan Department of Environmental Quality: Harmful Algal Blooms

Minnesota

  • Minnesota Department of Health Blue-Green Algal Blooms and Microcystin
  • Minnesota Department of Health Harmful Algal Blooms Fact Sheet
  • Minnesota Pollution Control Agency, Blue-green Algae and Harmful Algal Blooms

Mississippi

  • Mississippi State Department of Health, Summer Health and Safety Page
  • Mississippi Department of Environmental Quality, Beach Monitoring Program

Missouri

  • Missouri Department of Health and Senior Services: Blue-Green Algae Brochure (pdf)
  • Missouri Department of Health and Senior Services, Recreational Water Safety
  • Missouri Department of Natural Resources, Harmful Algal Blooms and Blue-Green Algae

Montana

  • Montana Department of Public Health and Human Services: Public Health & Safety: Harmful Algal Blooms

Nebraska

  • Nebraska Department of Health and Human Services and the Nebraska Department of Environmental Quality: Fact Sheet - Precautions and facts regarding toxic algae at Nebraska Lakes
  • Nebraska Department of Environmental Quality: Beach Watch HABs

Nevada

  • Nevada Department of Wildlife Harmful Algal Bloom Webpage

New Hampshire

  • New Hampshire Department of Environmental Services: What You Should Know About Cyanobacteria

New Jersey

  • New Jersey Center for Water Science and Technology
  • New Jersey Department of Environmental Protection Harmful Algal Blooms website
  • New Jersey Department of Environmental Protection, HABs in Drinking Water Supply
  • Freshwater Cyanobacterial Harmful Algal Blooms Response Strategy (pdf)
  • Freshwater Cyanobacterial HAB Fact Sheet (pdf)
  • Freshwater CyanoHABs and CyanoToxins: Recreational Exposure and Health Effects Fact Sheet (pdf)
  • Freshwater Cyanobacterial Harmful Algal Blooms Online Reporting Form
  • Marine Harmful Algal Blooms Fact Sheet (pdf)
  • New Jersey Department of Environmental Protection, HAB

New Mexico

  • New Mexico Environment Department and New Mexico Department of Health: Understanding Exposure and Health Effects: Blue-Green Algae

New York

  • New York State, Department of Environmental Conservation: HABs

North Carolina

  • North Carolina Department of Health and Human Services, Blue-Green Algae
  • North Carolina Environmental Quality, Algal Blooms
  • North Carolina Department of Environmental Quality, HABs Monitoring

North Dakota

  • North Dakota Department of Environmental Quality: HABs
  • North Dakota Game and Fish Department, HABs

Ohio

  • Ohio Environmental Protection Agency: Algal Toxin Analysis Options (pdf)
  • Ohio Environmental Protection Agency: Algae Information for Public Water Systems
  • Ohio Environmental Protection Agency: Algae Information for Recreational Water

Oklahoma

  • Oklahoma Department of Environmental Quality: HABs

Oregon

  • Oregon Health Authority: Blue-Green Algae Labs and Expert Contacts List
  • Oregon Health Authority, Harmful Algal Bloom Surveillance Program
  • Oregon Health Authority, Algae Resources
  • Oregon Health Authority, Algae Bloom Advisories

Pennsylvania

  • Pennsylvania Department of Health, Harmful Algal Blooms
  • Erie County Department of Health, Pennsylvania, HABs Map
  • PA Department of Environmental Protection/Harmful Algal Blooms

Rhode Island

  • Rhode Island Department of Health, Cyanobacteria
  • Rhode Island, HAB

South Carolina

  • Cyanobacteria: Understanding Blue-Green Algae’s Impact on Our Shared Waterways, South Carolina Waterways, Clemson University
  • South Carolina Department of Health and Environmental Control, Harmful Algal Blooms
  • South Carolina Beach Guide

South Dakota

  • South Dakota Department of Health, Algal Toxins/Cyanobacterium

Tennessee

  • Tennessee Department of Health Harmful Algal Bloom

Texas

  • Texas Parks and Wildlife Department, Harmful Algal Blooms
  • Guide for Public Health Response to Cyanobacterial Harmful Algae in Recreational Freshwater in Texas (pdf)

Utah

  • Utah Department of Environmental Quality HABs
  • Utah Department of Health: Blue-Green Algae
  • Chemtech-Ford Laboratories
  • Utah Department of Environmental Quality, HAB Map

Vermont

  • Vermont Department of Health, Cyanobacteria, Blue-Green Algae in Lake Champlain
  • Vermont Department of Health Veterinarian Fact Sheet (pdf)
  • Vermont Department of Environmental Conservation, Water Quality Division, Cyanobacteria toxins
  • Vermont Department of Environmental Conservation, Drinking Water and Ground Protection Division, Public Drinking Water System - Cyanobacteria monitoring
  • Vermont, HAB Map

Virginia

  • Virginia Department of Health: HAB
  • Virginia Department of Health: Algal Bloom Surveillance Map

Washington

  • Washington State Department of Health, Division of Environmental Health, Cyanobacteria (Blue-Green Algae)
  • Washington State Toxic Algae, Freshwater Algae Bloom Monitoring Program
  • Washington State Toxic Algae Online

West Virginia

  • West Virginia Department of Health and Human Resources, Information on Cyanobacterial Blooms (Blue-green Algae Blooms) or Harmful Algal Blooms
  • West Virginia Department of Health and Human Resources, Harmful Algal Bloom Response Plan for Recreational Waters

Wisconsin

  • Wisconsin Department of Health Services, Blue-Green Algae
  • Wisconsin Department of Natural Resources Blue-Green Algae website
  • Public Health Madison-Dane County Beaches
  • Wisconsin Department of Natural Resources, Beach Health

Wyoming

  • Wyoming Department of Environmental Quality, Harmful Cyanobacterial Bloom, Current Advisories

Harmful Algal Blooms (HABs) in Water Bodies

  • Basic Information on HABs
    • Learn about HABs
    • What Causes HABs
    • Exposure to HABs
    • Effects of HABs
    • What You Can Do
  • Trends, Monitoring Results & Forecasts
    • HAB Monitoring and Trends
    • HAB Forecasts
    • HAB Advisories
  • Managing HABs
    • Managing HABs in Surface Water
    • Managing Algal Toxins in Drinking Water
    • Managing Algal Toxins in Recreational Waters
  • HAB Laws, Tools and Data
    • HABHRCA
    • HAB Tools
    • HAB Data
  • HAB Methods & Research
    • HAB Methods
    • HAB Research
  • HAB Resources
    • EPA Outreach on HABs
    • Labs that Analyze for Cyanobacteria and Cyanotoxins
    • State & Tribal HAB Programs and Resources
    • State & Tribal Toxin Thresholds and Assessment Methods
    • HAB Resources from Other Federal Agencies and Organizations
    • Recent Papers, Upcoming Meetings and Webinars
Contact Us about HABs
Contact Us about HABs to ask a question, provide feedback, or report a problem.
Last updated on January 8, 2025
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