Providing Pathways to Our Nation's Environmental Stewardship Since 1974

Our Mission: to enhance and promote effective State and Territorial programs and to affect relevant national policies for waste and materials management, environmentally sustainable practices, and environmental restoration.

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Latest News

ASTSWMO Position on UST Containment Systems

In July 2016, the ASTSWMO Board of Directors endorsed a policy position paper on UST Open Bermed Containment Systems . The paper is available on the ASTSWMO Position Papers webpage.

Check out our Summer 2016 Newsletter to see what ASTSWMO has been up to!
The ASTSWMO Newsletter is distributed to members via email and posted to our website once every quarter.

ASTSWMO Webinar!

Check out our most recent webinar! The ASTSWMO Remedial Action Focus Group presented their report which discusses how States can prepare, negotiate, and implement their Superfund State Contracts. This report is intended to help States recognize and understand these decision points and provide some implementation strategies to assist with successful site cleanup. The webinar focuses on the various elements of the document.

2015 Annual State Fund Survey Released!

The results of the 2015 Annual State Fund Survey are now available on the Tanks Publications page

UST Common Compliance Violations Report

Results and analysis of FY 2014 UST common compliance violations are completed and available on the ASTSWMO Tanks Publications page.

Highlight of the Month:

ASTSWMO President Mark de Bie (CA) describes his vision of the Association in 2017. You can read his letter and other news regarding ASTSWMO in our 2016 Fall Newsletter!
Click here to read!

About our organization

ASTSWMO provides relevant trainings and meetings to promote networking and open communication. We are passionate about postive environmental policy impacts. With over 40 years of experience we are commited to our mission to provide resources for our members!

Our Meetings

Our meetings are catered to the needs of our members and affiliated programs.

Our Trainings

Continuing education is of paramount importance to ASTSWMO.


We have up-to-date information on all issues concerning environmental stewardship.

Passion for our members

Read about our Member of the Month!

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