Mason MS4 Program

Mason’s Municipal Separate Storm Sewer System (MS4) permit is mandated by Clean Water Act and by EPA stormwater regulations. Virginia Department of Environmental Quality (DEQ) administers MS4 permits as part of the Virginia Stormwater Management Program permit program. Masons MS4 permit covers Fairfax Campus at Fairfax County and Science and Technology Campus at Prince William County.

Mason’s MS4 Permit requires Mason to comply with the conditions set forth in the permit. These conditions include six minimum control measures (MCMs), TMDL special conditions and general conditions.

The Effective MS4 Permit



For any questions or concerns, please contact the George Mason Land Development Team at

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