PHOENIX — The Arizona Department of Environmental Quality (ADEQ) is seeking surface water quality data to use in the 2022 Clean Water Act (CWA) Assessment, also known as Arizona’s Integrated 305(b) Assessment and 303(d) Listing Report. ADEQ uses monitoring data to assess whether lake and stream uses are protected by the CWA and can be used for recreation, drinking, agriculture, wildlife and fish consumption.
ADEQ encourages and welcomes data from all sources: private citizens, businesses, public agencies, state and federal governmental agencies, and non-profit organizations.
Time Period
ADEQ requests surface water quality data collected for the period from July 1, 2012, to April 30, 2021, that has not previously been submitted to ADEQ. Submissions will be accepted until April 30, 2021.
How to Submit Data
There are two ways to submit data for use in the CWA Assessment:
- The preferred method for data submissions is via the EPA Water Quality Data website | Click to Visit Website >
- Data may be submitted to ADEQ directly, but to be accepted, the submission must adhere to the ADEQ data submission guidelines | Click for Submission Guidelines >
ADEQ appreciates and values your efforts and data contributions to help us protect and enhance Arizona’s surface waters now and in the future.