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Visit montgomerycountymd.gov/311
For Emergency: 911 | Out of County: 240-777-0311

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All Services

Report a Fish Kill or other Abnormality in Stream
County biologists study fish communities to provide insight on the health and condition of County streams. They can investigate abnormalities with fish in the stream.
Find more information from the following link(s):
  • Monitoring Our Waters
  • Fish Monitoring Procedures


  • To speak with a Customer Service Representative, please call 311 during business hours.