Water Well Standards

The Water Systems Council (WSC) is dedicated to protecting the public health and our ground water resources through product excellence and informational services. We have always endeavored to work closely with industry and public health groups.

As part of our commitment to quality, WSC has developed voluntary industry standards for well industry products and provides an annual listing of products in compliance with those standards.

PAS-97 (2017) – WSC Performance Standards And Recommended Installation Procedures for Sanitary Water Well Pitless Adapters, Pitless Units, and Well Caps

Standard Brochure (PDF)
Listing of Products Meeting the Standard
Listing Fees

ANSI/WSC PST 2000/2016 Standard Pressurized Water Storage Tank
American National Standard/Water Systems Council Standard

Standard Brochure (PDF)
Listing of Products Meeting the Standard

The Water Systems Council maintains this list. Contact memberservices@watersystemscouncil.org to receive updates as they occur or call (202) 625-4387.