What is the primary purpose of hydrants in a firefighting context?

The primary purpose of hydrants in a firefighting context is to provide a water source for firefighters. When a fire breaks out, quick access to a reliable and sufficient water supply is crucial for extinguishing flames and controlling the situation. Fire hydrants are strategically placed throughout urban and suburban areas, allowing firefighters to efficiently connect hoses and draw water from municipal water systems. This functionality is essential in ensuring that firefighters can respond promptly and effectively to fires, helping to minimize damage and protect lives.

The other options do not align with the fundamental role of hydrants in firefighting. While fire stations need to be accessible for firefighting vehicles, the marking of their locations is not the function of hydrants. Similarly, outlining evacuation routes is typically managed through signage and other means rather than through hydrants. Lastly, hydrants do not serve as storage for firefighting equipment; instead, they are solely focused on providing immediate water access during emergencies.