The answer to 'why is my septic tank leaking water' is that a leaking septic tank is usually caused by a cracked or damaged tank, a blocked or damaged drain field, or a problem with the septic system's baffles or pipes. Symptoms of a leaking septic tank include standing water or muddy soil around the tank, slow draining sinks and toilets, and unpleasant odors. To fix a leaking septic tank, you may need to have the tank pumped, the drain field repaired or replaced, or the entire system inspected and serviced by a professional plumber.
Attempting to repair a septic system on your own can be dangerous and may make the problem worse. It's best to call a licensed and experienced septic service technician to diagnose and repair the issue properly. They have the right equipment and expertise to safely and effectively address septic tank leaks and other septic system problems.