Sustainable Monocacy Commission

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The Sustainable Monocacy Commission’s purpose is to recommend policies that improve water quality, maintain and restore the ecological health and productivity of the Monocacy River and its tributaries, and conserve and protect wildlife habitat and the natural, cultural, and scenic character of the Monocacy River and its tributaries flowing in and through Frederick County.

Sustainable Monocacy Commission Highlights

2023 Monocacy River Report
An informational tool to educate and enlighten people about the incredible Scenic Monocacy River.

Monocacy River Access Point Map
A downloadable map identifying the locations of facilities allowing access to the Scenic Monocacy River.

Monocacy Scenic River Water Trail Map
A downloadable map, created by the Frederick County Division of Parks and Recreation, containing information about the history, wildlife, and character of the Scenic Monocacy River.


Thursday, March 28, 2024
Winchester Hall
1st Floor Meeting Room 
12 E. Church Street, Frederick, MD 21701
6:30 pm

Thursday, April 25, 2024
Thursday, May 23, 2024
Thursday, June 27, 2024
Thursday, July 25, 2024
Thursday, August 22, 2024
Thursday, September 26, 2024
Thursday, October 24, 2024
Thursday, November 21, 2024 *Third Thursday
Thursday, December 26, 2024

Meeting Agendas

Most Recent  |  View All

Meeting Minutes

Most Recent  |  View All

Commission Membership

R. Gary Magnuson (Chair)
Andrew Celmer (Vice-Chair)
Bill Allen
Charles E. Eirkson III
Drew Ferrier
Matthew Moran
Lonnie Ropp
James Ryder
Kimberly Stewart
Alderwoman Katie Nash (Ex-Officio, City of Frederick)
Councilman Brad Young (Ex-Officio, Frederick County)

Sustainable Monocacy Commission Rules of Procedure
(Adopted August 26, 2021)

Monocacy River Maps, Reports, and Videos

Watershed Map of Frederick County
(8.5” x 11”) (34” x 44”) (42” x 50”)
Downloadable maps for the Monocacy River, Catoctin Creek, and Potomac River (Direct) watersheds in Frederick County. Watershed assessments have been compiled by the Frederick County Division of Energy and Environment for multiple watersheds and sub-watersheds, and reports can be found here.

Invasion of the Rusty Crayfish
Biologists from the Maryland Department of Natural Resources (DNR) have found invasive Rusty crayfish in the Monocacy River. DNR has banned the catch, possession, and use of Rusty crayfish as bait in the Middle Potomac River Basin, which includes the Monocacy River watershed.

Monocacy Assessment (Hood College) 2020 Final Report
(Video: March 25, 2021 Presentation of the Report to the Sustainable Monocacy Commission)

Monocacy River Management Plan - Council Approved 4/16/2019

Potomac: The River Runs Through Us
A 2013 video that explains human impacts on streams and rivers and the effects these impacts can have on community water supplies and the natural environment.

Incident Reporting

Fish Kills

If you find dead or dying fish in the Monocacy River or Potomac River, please contact the Maryland Department of the Environment’s Fish Kill Investigation Section at (443) 224-2731 or (800) 285-8195 (normal business hours). 

On evenings, weekends, or holidays, call the Chesapeake Bay Safety and Environmental Hotline at 877-224-7229 or the Maryland Department of Natural Resources (DNR) Fisheries Service at (301) 898-5443 with the time, date, location, fish species, and approximate number of affected fish. Photographs and a description of any unusual behavior or water conditions are also helpful.

Hazardous Spills or Environmental Issues (Emergency)

If you notice a potential spill of a hazardous substance or another environmental problem that poses a threat to public health or grave impact to the environment, please phone the Maryland Department of the Environment’s Emergency Response Hotline at (866) 633-4686.

If possible, please have the following information available when calling:

  • Name and telephone number of the person reporting the spill or issue
  • The location of the event, including the name of the affected stream and a street address (or latitude & longitude)
  • Identity of the spill material
  • The date and time of release
  • An estimated quantity of the material spilled, including the total mass, volume, or discharge rate

Illegal Discharges, Dumping, & Spills (Non-Emergency)

If it is not an emergency, the preferred method to report an issue is to use the County's reporting tool FCG FixIt, which will allow you to map the location and provide photos if desired. Alternatively, you may contact the Frederick County Division of Energy and Environment via:

Phone: (301) 600-1416
Text: (301) 900-5564

To contact the Sustainable Monocacy Commission, please send an email to