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Fairfax County, Virginia
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Land Development Services

  1. Home
  2. Land Development Services
  3. Proposed Amendments to the Public Facilities Manual (PFM) Regarding Sanitary Sewer and Editorial Changes

Land Development Services Alert:

CONTACT INFORMATION: Monday through Thursday, 8 a.m. - 4 p.m. and Friday, 9:15 a.m. - 4 p.m. Please note that visitors may not be added to in-person queues past 3:45 p.m.
703-222-0801 TTY 711
LandDevelopmentServices@fairfaxcounty.gov
12055 Government Center Pkwy
Fairfax, VA 22035
fairfaxcounty
Bill Hicks
Director

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Proposed Amendments to the Public Facilities Manual (PFM) Regarding Sanitary Sewer and Editorial Changes

March 12, 2026

On February 17, 2026, the Board of Supervisors (Board) authorized public hearings on amendments to the PFM before the Planning Commission on March 11, 2026, at 7:30 p.m. and before the Board on April 14, 2026, at 2:30 p.m. 

Miscellaneous amendments are proposed to the Public Facilities Manual (PFM), including but not limited to: (1) Reducing the recommended sanitary sewer design flow rates for single-family, multi-family, and office developments, and specifying design flow rates for new categories of common commercial and medical uses. (2) Updating and reducing the peak flow rates for existing and new sanitary sewer infrastructure.  (3) Updating miscellaneous PFM provisions to align with recent updates to the Erosion and Stormwater Ordinance (County Code Chapter 124.1) and the Virgina Stormwater Handbook. (4) Updating PFM provisions related to stacked townhomes to align with the Zoning Ordinance (County Code Chapter 112.1). (5) Updating Plate 20-7 related to the construction of driveway entrances along existing streets to align with Virginia Department of Transportation (VDOT) standards. (6) Codifying current policies related to sump pump discharge locations for single-family detached developments.

For detailed information on the proposed amendments and public hearing schedule, visit Public Facilities Manual and County Code Amendments.

Contact Name
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703-222-0801, TTY 711

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