Breadcrumb Home Resource ACWMA Joint Powers Agreement - 1990 ACWMA Joint Powers Agreement - 1990 Updated Feb 27, 2020 Joint Exercise of Powers Agreement for Waste Management, enacted by and between the public agencies of Alameda County in February, 1990.Amended on 07/30/13. Downloads & Attachments Joint Powers Agreement Revised 07-30-13.pdf Thumbnail Location Alameda County Topic Agency Governance Documents