How should the mine manage potable water and wastewater to prevent hazards?

• A. To increase water hardness.
• B. To color-code pipes.
• C. To minimize water usage at all costs.
• D. Ensure proper treatment and management, prevent contamination, maintain drainage, and monitor for spill and pollution.

Answer: (D)

Safe management of potable water and wastewater in a mine hinges on proper treatment, careful management to prevent contamination, maintaining drainage, and monitoring for spills and pollution. Treating wastewater removes contaminants so it doesn’t harm people or the environment and protects the safety of the potable water system from cross-contamination. Maintaining good drainage prevents water accumulation that can cause slips, flooding, or infrastructure damage, and regular monitoring allows early detection of spills or pollution, enabling quick response to prevent hazards. The other ideas don’t address these safety and environmental protections: simply color-coding pipes aids identification but doesn’t prevent hazards by itself; increasing water hardness doesn’t tackle contamination or drainage issues; trying to minimize water use at all costs can compromise safety and operation.