Welcome to the State Water Resources Control Board Welcome to the California Environmental Protection Agency
Governor's Website Visit the Water Board Members Page
My Water Quality
Performance Report
CWT Resource Material and Related Web Sites

SWAMP - Surface Water Ambient Monitoring Program




An indicator is a ".measurable feature or features that provides managerially and scientifically useful evidence of environmental and ecosystem quality or reliable evidence of trends in quality." Indicators must be measurable with available technology, scientifically valid for assessing or documenting ecosystem quality, and useful for providing information for management decision making. Environmental indicators include tools for assessment of chemical, physical and biological conditions and processes. Read more about the criteria and considerations for selecting appropriate Water Quality Indicators. View a List of Potential Indicators and their associated beneficial use.