Public Facilities Manual and Code Amendments

Listed below are the proposed and recently adopted amendments to the Public Facilities Manual and the County Code.

Email Subscription Service:  You can receive e-mail updates about proposed and recently adopted PFM amendments by subscribing to the Letters to Industry email list.

 Current Proposed Amendments


Written comments may be forwarded to: Fairfax County Department of Public Works and Environmental Services, Site Code Research and Development Branch, 12055 Government Center Parkway, Suite 608, Fairfax VA 22035-5503, or via email.

Speaker Information

Persons wishing to speak at the public hearings on these topics may call the Office of the Clerk to the Planning Commission, 703-324-2865, TTY 703-324-7951, and the Office of the Clerk to the Board of Supervisors, 703-324-3151, TTY 703-324-3903, to be placed on the respective speaker's list, or you may appear at a public hearing and be heard.

Sign up for the speaker's list online: Planning Commission | Board of Supervisors

Recently Adopted Amendments

  • Pro Rata Share Program: Proposed amendment to Chapter 6 (Storm Drainage) of the Public Facilities Manual. The proposed amendment would replace the 27 current watershed-based pro rata share rates with a single countywide rate for assessment purposes, implement a credit system for on-site stormwater management and best management practices, and provide for the inclusion of low-impact development stormwater practices in the county’s general drainage improvement program.


  • Amendments to the Public Facilities Manual (in conjunction with the proposed Stormwater Management Ordinance): Amendments to Chapter 6 (Storm Drainage) and Chapter 12 (Vegetation Preservation and Planting) of the Public Facilities Manual Re: Water Quality Controls, Adequate Outfall, Detention, Maintenance of Stormwater Management Facilities, and Replanting of Disturbed Areas.


For more information, contact Site Code Research and Development Branch at 703-324-1780, TTY 711, or via email.

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