Alternative Dispute Resolution is a mechanism by which different types of legal disputes are resolved through out-of-court processes like arbitration, and mediation as an alternative to civil litigation. ADR methods can be effective in reducing the time, money, and adversarial nature associated with traditional court-based proceedings.
As of December 3, 2009 Mattawa officially became a non-charter code city in Grant County, Washington, United States. The population was 2,609 at the 2000 census. An estimated population exists between 4500-6500 residents during peak fruit picking/agricultural season(s) and subsides by approximately 2000 residents during non-picking seasons.