Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

    • Environmental Topics
    • Air
    • Bed Bugs
    • Chemicals and Toxics
    • Climate Change
    • Emergency Response
    • Environmental Information by Location
    • Environmental Justice
    • Greener Living
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Pesticides
    • Radon
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Guidance
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • EPA Administrator
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History
    • Staff Directory
Related Topics:
  • Cyanobacterial HABs
  • Ground Water and Drinking Water
  • Water Quality Criteria
Contact Us

State HABs Monitoring Programs and Resources

State Monitoring Programs

  • Arizona Water Watch
  • California Water Quality Monitoring Council, HAB Portal
  • Connecticut Department of Public Health, Blue Green Algae Blooms
  • Connecticut Long Island Sound Monitoring
  • Delaware Division of Water: What is a Red Tide?
  • Delaware National Resources and the University of Delaware’s Citizen Monitoring Program
  • District of Columbia Department of Energy and Environment, Algae Blooms in District Waters
  • Florida Department of Environmental Protection: Protecting Florida Together
  • Idaho Department of Environmental Quality, HAB Map
  • Illinois Environmental Protection Agency, HAB
  • Indiana Department of Environmental Management’s Blue-Green Algae
  • Indiana State Department of Health, HAB Map
  • Iowa Department of Natural Resources, Beach Monitoring
  • Kansas Department of Health and Environment, Blue-Green Algae Blooms
  • Kentucky Environmental Protection, Division of Water: HABs
  • Maine Department of Environmental Protection, Blue Green Algae Map
  • Maryland Department of Natural Resources, Algae
  • Massachusetts Department of Health and Human Services, Algae Monitoring
  • Michigan Department of Environmental Quality, Algae HAB
  • Minnesota Pollution Control Agency, HABs
  • Mississippi Department of Environmental Quality, Beach Monitoring Program
  • Montana Department of Public Health and Human Services: Public Health and Safety: Harmful Algal Blooms
  • Nebraska Department of Environmental Quality: Beach Watch HABs
  • Nevada Department of Wildlife Harmful Algae Blooms Webpage
  • New Hampshire Department of Environmental Quality, Beach Inspections Program
  • New Hampshire Department of Environmental Services Beach Advisories Map
  • New Jersey Department of Environmental Protection, HAB
  • New York Department of Environmental Conservation, HABs
  • North Carolina Department of Environmental Quality, HABs Monitoring
  • North Dakota Department of Environmental Quality: HABs
  • North Dakota Game and Fish Department, HABs
  • Ohio Environmental Protection Agency, HABs Monitoring
  • Oregon Health Authority, Algae Bloom Advisories
  • Rhode Island, HAB
  • South Carolina Beach Guide
  • Texas Parks and Wildlife, HABs
  • Utah Department of Environmental Quality, HAB Map
  • Vermont, HAB Map
  • Virginia Department of Health, HAB
  • Virginia Department of Health: Algal Bloom Surveillance Map
  • Washington State Toxic Algae Online
  • Wisconsin Department of Natural Resources, Beach Health
  • Wisconsin Department of Natural Resources Blue-Green Algae website
  • Wyoming Department of Environmental Quality, Harmful Cyanobacterial Bloom, Current Advisories

Other Resources

  • SWAMP's California Freshwater HAB Field Guide - CyanoHABs Laboratory List (pdf)
  • Cyanobacteria Monitoring Collaborative
  • Woods Hole Oceanographic Institution; Distribution of HABs in the U.S.
  • NOAA Harmful Algal BloomS Observing System (HABSOS) HABs bulletins
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on May 16, 2023
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data.gov
  • Inspector General
  • Jobs
  • Newsroom
  • Open Government
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions

Follow.