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Anne Arundel County Recreational Water Advisories/Closings

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Current closings and advisories are listed below.

Lab results from collected water samples take at least two working days to process. Closings and advisories remain in effect until results meet acceptable levels for one or more days. Acceptable levels are determined by the State, U.S. Environmental Protection Agency and the Anne Arundel County Department of Health.

Preemptive Advisory

After rainfall, all Anne Arundel County beaches are under a no swimming/no direct water contact advisory for at least 48 hours due to predicted high bacteria levels.


There is always an associated health risk from swimming in any natural body of water. Natural water bodies contain bacteria, viruses and other harmful microorganisms. Disease-causing microorganisms, such as Mycrobacterium marinum or Vibrio vulnificus can enter the body through open cuts, scrapes and wounds. Fact Sheets on Recreational Water Illnesses.

Water Closed Sign

Emergency Closing
The Department of Health issues a closure when a sewage spill, leak or other problem indicates human waste has impacted the water.

Water Closed Sign

Health Advisory
The Department of Health issues advisories against direct water contact when routine sampling results exceed the EPA acceptable standard for enterococci bacteria or a harmful algae bloom has been identified.

The Department of Health has ordered recent closings, issued advisories or conducted assessments for the following County waterways listed below:

  • June 18, 2014 -  Advisory Lifted for Bay Ridge Community at Lake Ogleton Clubhouse Pier in Annapolis.   The Anne Arundel County Department of Health has lifted the direct water contact advisory for the Bay Ridge Community at Lake Ogleton Clubhouse Pier in Annapolis. The advisory was due to high levels of bacteria in water samples.

  • June 4, 2014 -  Mill and Dividing Creeks in Arnold Reopened  The Anne Arundel County Department of Health has reopened Mill Creek and Dividing Creek for swimming and other direct water contact. The Department had ordered an emergency closing for the creeks due to a wastewater overflow at the Mill Creek Pumping Station of approximately 312,000 gallons. The spill occurred in the late evening on May 27 and was caused by a power outage.

    For more information on Mill Creek and Dividing Creek, click here.

  • May 15, 2014 - Warning Lifted for Section of College Creek. The Anne Arundel County Department of Health and Naval Support Activity Annapolis (NSAA)/U.S. Naval Academy have lifted the warning against swimming and other direct water contact for a section of College Creek in Annapolis. Due to a sewage spill of approximately 1,500 gallons caused by a sewer line break under the Naval Academy’s Nimitz Library, the warning was issued on May 8 for the section of College Creek from King George Street to the creek’s mouth at the Severn River. Corrective action was taken to repair the sewer line. An assessment conducted by the Department of Health and NSAA determined that the section of the creek is now acceptable for direct water contact.

Subscribers to the Department’s Recreational Water Quality E-mail Alerts receive an e-mail notifying them when county waterways are closed and reopened. Alerts can also be received via text messages by following the Department on Twitter at

Furnace, Marley and Rock Creeks, click here for more information.

For more information, call the Recreational Water Quality Monitoring Program at 410-222-7241.

For information on water quality and swimming or fish kills in Anne Arundel County rivers and creeks, see Emergency Numbers for Fish Kills, Algae Blooms and Pollution Issues.

Recreational Water Quality.