The answer to 'which is better septic tank or' is that both septic tanks and sewer systems have their own advantages and disadvantages, and the best choice depends on your specific situation and location. Septic tanks are self-contained wastewater treatment systems that are typically used in rural or suburban areas where a centralized sewer system is not available. They require regular maintenance and pumping, but can be a cost-effective option for homeowners. Sewer systems, on the other hand, are centralized wastewater treatment systems that are more common in urban and suburban areas. They are typically more expensive to install but require less maintenance than septic tanks.
When choosing between a septic tank or sewer system, consider factors such as the size of your property, the soil type, the proximity to a centralized sewer system, and the long-term maintenance costs. If you're unsure which option is best for your home, it's always a good idea to consult with a professional plumber or septic system specialist.