WSSC Water Supplier Portal System

Welcome to the WSSC Water Supplier Portal System Enrollment Application

Due to the State of Maryland emergency declared by the Governor, all public Pre-Bid Conferences and Bid Openings are suspended until further notice. Additionally, all Bid and RFP submissions will only be accepted electronically via the Online Discussion functionality in the Supplier Portal until further notice.  No in person or mailed submissions will be accepted. 

The WSSC Procurement Office staff are mostly working remotely and are available to answer any questions/concerns that you may have via email at

All vendors and prospective vendors are required to register in WSSCWater ’s Supplier Portal System List in order to bid on available solicitation. By submitting your registration, you will be notified of upcoming contracts, based on your specified North America Industry Classification System (NAICS) code(s) for which you are eligible to submit a bid. This service is available to you for free, there is no cost to our bidder community. 

The Registration process:

  1. Enter your Primary Business Information
    1. Company Name
    2. Tax Country
    3. Taxpayer ID
    4. DUNS Number
  2. Enter your Primary Contact Information
    1. Email
    2. Name
    3. Phone Number
  3. Select Products and Services (NAICS Codes)
  4. Enter your Minority Business Enterprise, Women Business Enterprise and/or WSSC Water Small Local Business Enterprise Information, if applicable
  5. Select Supplier Profile Attributes
    1. Business Type
    2. Organization Type
    3. 1099 Reportable (Y/N)
    4. Women Owned
    5. Small Business
  6. Attachments
    1. W9
    2. Certificate of Insurance
    3. MBE/SLBE Certificates, if applicable
  7. Submit to complete registration
  8. Receive Registration Approval with link to login and Username and Temporary Password
  9. Complete registration by logging in and updating your password
  10. A Security Clearance (pdf) is required if you need plans and drawings from WSSC  Water. Select this link to download and complete the application. After completion, fax to the Procurement Office at 301-206-8884.

View WSSC Water's Privacy Policy

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