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.

Find Out More!

Latest News

RCRA Summit and ASTSWMO Annual Meeting

October 26-28, 2016
Marriott Marquis Hotel in Washington, DC

ASTSWMO Meeting Agenda
RCRA Summit Announcement
ASTSWMO Announcement

Registration is now closed.

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:

EPA briefs participants on new ways of investigating sites using high resolution site characterization and data visualization tools to rapidly build the conceptual site model in an adaptive process. This session will briefly describe the approach and focus on recent site work at several sites of different scale to showcase the process and workflows that demonstrate its effectiveness and potential applicability at sites within the session participant’s jurisdictions. Learn more about Optimization of Remedies from the Brownfields and Superfund Symposium in Detroit, MI.
Click here!

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!

Let's Get In Touch!

Follow us on Facebook and Twitter to get the latest news on ASTSWMO!