Plumbing & Fuel Gas Codes

Plumbing & Fuel Gas Codes

Current Plumbing & Fuel Gas Code

• 2024 WSSC Plumbing and Fuel Gas Code
  (PDF 1.95 MB), Effective December 1, 2025
• Plumbing and Inspections Waiver Request Form
  (PDF 1.68 MB)
• Guide to Code Consistency for 2018 Plumbing and Fuel Gas Code
  (PDF 4.48 MB)

Archived Code and Amendments:

• 2021 WSSC Plumbing and Fuel Gas Code 
  (PDF 1.77 MB), Effective April 1, 2023
• 2019 WSSC Plumbing and Fuel Gas Code
  (PDF 746 KB), Effective March 1, 2019
• 2018 WSSC Plumbing and Fuel Gas Code
  (PDF 1.96 MB), Effective July 1, 2018
• 2015 WSSC Plumbing and Fuel Gas Code
  (PDF 1.65 MB), Effective July 1, 2015 to June 30, 2018
• 2013 WSSC Plumbing and Fuel Gas Code
  (PDF 1.82 MB), Effective May 1, 2013 to June 30, 2015
• New "First Time" Chapter 9 - Water Reuse
  (PDF 42.6 KB), Effective May 1, 2013 to June 30, 2015
• 2011 WSSC Plumbing and Fuel Gas Code (Includes Amendment #1 and #2)
  (PDF 839 KB), Effective February 1, 2011 to April 30, 2013
• Amendment #2 Only [Various Sections] to the 2011 WSSC P & FG Code
  (PDF 133 KB), Effective July 1, 2012
• Amendment # 1 Only [Site Utility Inspections] to the 2011 WSSC P & FG Code
  (PDF 53.3 KB), Effective July 1, 2011
• 2009 WSSC Plumbing & Fuel Gas Code (Includes Amendments # 1 & 2)
  (PDF 558 KB), Effective June 1, 2009 to Jan. 31, 2011
• Amendment # 2 Only [Local Limits] to the 2009 WSSC P & FG Code
  (PDF 28.2 KB), Effective March 15, 2010
• Amendment # 1 Only [Multi-unit Metering] to the 2009 WSSC P & FG Code
  (PDF 12.2 KB), Effective January 1, 2010
• 2007 WSSC Plumbing & Fuel Gas Code (Includes Amendments # 1 & 2)
  (PDF 695 KB), Effective May 1, 2007 to May 31, 2009
• Amendment # 2 Only [FOG] to the 2007 P & FG Code
  (PDF 89.5 KB), Effective November 1, 2008
• Amendment # 1 Only [Propane] to the 2007 WSSC Water P & FG Code
  (PDF 379 KB), Effective November 1, 2007

Older Versions of WSSC Water’s Plumbing and Gasfitting Regulations

WSSC Water does not have electronic versions of archived codes prior to May 1, 2007. To obtain subject relative excerpts, send your request in writing to:

WSSC Water Regulatory Services
Plans Review Office (Stop: 15-Lobby)
14501 Sweitzer Lane
Laurel, MD 20707

Or email Plans Review at: PlumbingPlansReview@wsscwater.com