ARCHIVED CONTENT: In December 2020, the CZO program was succeeded by the Critical Zone Collaborative Network (CZ Net) ×

Illinois State Water Survey

CZO Partner Organization


The Illinois State Water Survey has been a leader in the study of water resources for more than a century. Our research and service programs provide citizens, industries, and government agencies at all levels with timely, science- based information and analysis necessary to manage our water resources wisely for economic development and a sustainable environment.