Why choose a Sewage Treatment Plant or a Septic Tank?

Once installed, septic tanks operate autonomously without needing constant attention.

They require periodic pumping (usually annually, depending on usage and size) to remove solids, but beyond that, their maintenance demands are minimal compared to more complex systems.

Additionally, for homes located in rural areas where connection to a centralised sewer system may be cost-prohibitive or unavailable, septic tanks provide a cost-effective solution for wastewater treatment and disposal.

Finally, properly designed and maintained STPs help in reducing the release of pollutants into the environment. By treating the sewage, these plants reduce the risks of waterborne diseases, protect aquatic ecosystems, and ensure that groundwater and surface water sources remain uncontaminated.

Why would you have a septic tank over a sewage treatment plant?

Some properties that already have a working and effective drainage field, but where the septic tank has failed, often favour installing a new septic tank as the cost is lower and the unit does not require electricity to operate.

Septic tanks often require periodic pumping annually to remove any sludge from the system and to comply with regulations. This is the only maintenance required for the system, hence their popularity over sewage treatment plants.