What should be the first step after discovering a water quality issue in the system?

When a water quality issue is discovered in a distribution system, testing the water for specific contaminants is a crucial initial step. This action allows water professionals to accurately identify the nature and extent of the contamination. By conducting tests, operators can gather critical data on specific pollutants, assess the severity of the problem, and determine the correct response measures needed to address the situation effectively.

Identifying the contaminants present in the water is essential for understanding potential health risks and whether immediate corrective actions are necessary. It enables professionals to communicate precise information to stakeholders and regulatory bodies, which can help inform any further actions that need to be taken, such as treatment or advisories to the public.

While notification of local authorities or investigating the source of the issue might be necessary steps following the initial testing, establishing the specific contaminants present in the water is the starting point that guides all subsequent actions in managing and resolving the water quality problem.