Recreational Water Advisories/Closings

Last updated: March 14, 2019

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. Warning: 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.

Preemptive AdvisoryPreemptive Rainfall Advisory
After rainfall of 1/2 inch or more, all Anne Arundel County beaches are under a no swimming/no direct water contact advisory for at least 48 hours due to predicted elevated bacteria levels from rainwater runoff and increased health risks. Do not swim in cloudy, murky water. During the summer swim season, the Recreational Water Quality Monitoring Program will resume its routine sampling following the 48-hour period.
Water Closed SignEmergency Closing
The Department of Health issues a closure when a sewage spill, leak or other problem indicates human waste has impacted the water.
Water Advisory SignHealth 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 County waterways listed below:

3.13.19 – Cabin Branch Partial Closure in Glen Burnie

The Anne Arundel County Department of Health has closed a section of Cabin Branch near Interstate Highway 895 in Glen Burnie due to a wastewater overflow of approximately 9,150 gallons. The overflow came from two separate manholes near the Harris Heights pumping station, 681 Cedar Ave in Glen Burnie.

The Department of Health posted closing signs in the impacted area and the closure will remain in effect until March 20. The closing applies to swimming and other direct water contact for the section of Cabin Branch. People coming in contact with the water in the affected area are advised to wash well with soap and warm water. Clothing should also be washed.


The Anne Arundel County Department of Health has ordered an emergency closing and warns against direct water contact for the North Cypress Branch of Cypress Creek in Severna Park, Maryland. Cypress Creek is located off the Magothy River. The closing is due to an overflow of wastewater caused by a broken isolation valve in the air release valve vault at the pumping station located at 7 McKinsey Road. The overflow of approximately 15,000 gallons began in the evening of October 17 and continued overnight.

The waterway closure will be in effect until October 25, 2018. Closure signs have been posted in the impacted area.

The Department of Health advises people coming in contact with the affected water to wash well with soap and warm water immediately. Clothing should also be washed.

For more information, visit the Department’s website,, or call the Water Quality Line, 410-222-7999.

Previous Closings and Advisories

9.25.18 – Waterway Warning for Cabin Branch in Glen Burnie (Warning Removed 10.2.18)

8.1.18 – Advisory Issued Against 5 Beaches Due to Bacteria (Reopened 8.8.18)

7.22.18 – Emergency​ Waterway Closure for Cox Creek in Curtis Bay (Reopened 7.30.18)

7.3.18 – Emergency​ Waterway Closure for a Section of Carr Creek in Annapolis (Reopened 7.10.18)

5.29.18 – Section of Patapsco River Closed to Swimming and Other Direct Water Contact Due to Sewage Overflows (Reopened 6.28.18)

4.8.18 – ​Glen Burnie ​Wastewater ​Overflow​, No Impact on Marley Creek​, Feeder Stream Affected (Reopened 4.15.18)

3.19.18 – Advisory Issued Against Swimming, Kayaking, Paddle Boarding and other Direct Water Contact for Carr Creek in Annapolis (Reopened 3.25.18)

Water Quality Alerts

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. 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.

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