Frequently Asked Questions About Septic Systems

A septic system is an underground wastewater treatment structure that processes and disposes of household or commercial waste through a combination of natural and technological methods.

A sand mound, also known as a raised system or Wisconsin mound, is an above-ground septic solution used in areas with shallow soil or high water tables. It filters wastewater through a sand layer before it reaches the soil.

Sand mound systems are not inherently more failure-prone than in-ground systems, but they do require more frequent maintenance and careful monitoring due to their exposure and design.

A cesspool is a simple underground pit that collects wastewater. Unlike modern septic systems, it doesn’t treat the waste, making it outdated and often non-compliant with current health codes.

Most septic tanks should be pumped every 3 to 5 years, depending on household size, water usage, and tank capacity.

Even if your system seems fine, solids still accumulate over time. Regular pumping prevents backups, odors, and costly damage.

Only human waste and toilet paper should go down the drain. Avoid flushing wipes, grease, chemicals, or anything non-biodegradable.

Small amounts of bleach are generally safe, but excessive use can disrupt the bacterial balance in your septic tank.

In most cases, no. A healthy septic system has all the bacteria it needs. Additives are usually unnecessary and sometimes harmful.

A baffle is a component inside the septic tank that directs wastewater flow and prevents solids from entering the drain field.

Gray water is lightly used water from sinks, showers, and washing machines. It does not contain human waste.

Blackwater is wastewater from toilets and contains human waste. It requires full treatment in a septic system.

Greener or patchy grass may indicate excess moisture or a leak in your system. It’s a sign that inspection is needed.

Yes. Pumping your tank before listing your home can prevent surprises during inspections and show buyers the system is well-maintained.

Liquid detergent is generally better for septic systems because it dissolves more easily and leaves less residue.

Call a licensed professional immediately. Driggers Septic Tank can assess the issue and recommend repair or replacement options.