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Plumbing & Fuel Gas Codes

Current Plumbing & Fuel Gas Code

Archived Code and Amendments:

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:

Last Modified: May 2, 2023, 2:11 pm EDT