Click on the map below to find cyanobacteria/cyanotoxins resources for each of the States.

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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

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) (6 pp, 296 K)

California

• California HAB Portal
• California Department of Public Health, Blue-Green Algae (Cyanobacteria) Blooms
• 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

• Colorado Department of Health and Environment, Harmful Alage Blooms (toxic algae)

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

Delaware

• Delaware Department of Natural Resources and Environmental Control: Division of Water: Blue-Green Algae Information
• Delaware Health and Social Services Frequently Asked Questions: Cyanobacteria

District of Columbia

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

Florida

• Florida Department of Environmental Protection: Blue-Green Algae Information
• Florida Department of Health, Division of Environmental Health, Aquatic Toxins Program
• Florida Fish and Wildlife Conservation Commission: Blue-Green Algae (Cyanobacteria)
• Florida Department of Health: Blue-Green Algae (Cyanobacteria)

Georgia

• Georgia Department of Public Health, Coastal Health District, Harmful Algal Bloom
• Coastal Health District: Frequently Asked Questions About Blue-Green Algae (Cyanobacteria) and Their Toxins
• CyanoTracker
• 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

Idaho

• Idaho Department of Environmental Quality HABs Advisories
• Idaho Department of Health and Welfare: Harmful Algal Blooms
• Blue-Green Algae Bloom Response Plan (PDF) (24 pp, 625 K)

Illinois

• Illinois Environmental Protection Agency, Harmful Algal Blooms (HABs) and Algal Toxins
• 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

Iowa

• Iowa Department of Public Health, Harmful Algal Blooms
• CyanoIowa: Iowa’s information resource for cyanobacteria
• Iowa Department of Natural Resources

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 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

Maryland

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

Massachusetts

• Massachusetts Department of Public Health, Environmental Toxicology Program, Algae

Michigan

• Michigan Department of Environmental Quality: Harmful Algal Blooms and Drinking Water

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

Missouri

• Missouri Department of Health and Senior Services: Bue-Green Algae Brochure
• Missouri Department of Health and Human 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; Toxic Blue-green algae and bacteria sampling results

Nevada

No available information

New Hampshire

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

New Jersey

• 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) (1 pg, 79 K)
• Freshwater Cyanobacterial HAB Fact Sheet (PDF) (3 pp, 360 K)
• Freshwater CyanoHABs & CyanoToxins: Recreational Exposure & Health Effects Fact Sheet (PDF) (6 pp, 447 K)
• Freshwater Cyanobacterial Harmful Algal Blooms Online Reporting Form
• Marine Harmful Algal Blooms Fact Sheet (PDF) (2 pp, 315 K)

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, Blue-Green Harmful Algal Blooms

North Carolina

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

North Dakota

• North Dakota Department of Health, HABs

Ohio

• Ohio Environmental Protection Agency: Algal Toxin Analysis Options
• Ohio EPA Algae Information for Public Water Systems
• Ohio EPA, ODNR and ODH Algae Information for Recreational Water

Oklahoma

• Oklahoma Department of Environmental Quality: Blue-Green Algae

Oregon

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

Pennsylvania

• Erie County Department of Health, Pennsylvania, HABs Map

Rhode Island

• Rhode Island Department of Health, Cyanobacteria

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 Dakota

• South Dakota Department of Health, Algal Toxins/Cyanobacterium

Tennessee

No available information

Texas

• Texas Parks and Wildlife Department, Harmful Algal Blooms

Utah

• Utah Department of Environmental Quality HABs
• Utah Department of Health: Blue-Green Algae

Vermont

• Vermont Department of Health, Cyanobacteria, Blue-Green Algae in Lake Champlain
• Vermont Department of Health Veterinarian Fact Sheet (PDF) (2 pp, 178 K)
• Vermont Department of Environmental Conservation, Water Quality Division, Cyanobacteria toxins
• Vermont Department of Environmental Conservation, Drinking Water & Ground Protection Division, Public Drinking Water System - Cyanobacteria monitoring

Virginia

• Virginia Department of Health HABs Map
• Virginia Department of Health, Cyanobacteria

Washington

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

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 (PDF) (56 pp, 1 MB)

Wisconsin

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

Wyoming

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

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