What do Primary Drinking Water Regulations specify?

Primary Drinking Water Regulations are established to ensure the safety and quality of drinking water supplied to the public. They specifically define maximum contaminant levels (MCLs) for various harmful substances, which include pollutants that could potentially affect human health if present in drinking water. These regulations also outline compliance procedures that water suppliers must follow to demonstrate that their water meets safety standards.

This framework is essential in protecting public health, as it sets enforceable limits on the concentrations of contaminants, thus ensuring consumers receive safe drinking water. By regulating these contaminant levels and providing guidelines for compliance, Primary Drinking Water Regulations play a crucial role in maintaining the integrity of drinking water sources.

The other options present important topics related to water management and usage but do not align with the specific regulations governing drinking water safety. For instance, criteria for well construction is vital for ensuring proper installation and function of wells, while methods for groundwater recharge can help sustain aquifer levels, and pricing structures for water usage are more about economic aspects rather than safety. These elements, while important, do not pertain to the primary focus of ensuring the safety of drinking water as specified by these regulations.