Requires water supply system testing and compliance with secondary drinking water regulations.

This bill requires public community water systems in New Jersey to test drinking water quarterly for secondary (non-health) quality standards, including sampling from at least 10% of customer taps. It mandates that water system operators report test results quarterly and annually to the Department of Environmental Protection, local municipalities, and customers. If water quality exceeds standards, operators must create a compliance plan within 30 days to fix issues within another 30 days, and develop a maintenance plan to prevent future violations. The bill directly affects water utilities serving residential areas and aims to improve transparency and accountability in water quality monitoring.