Ground flooding can also result in untreated sewage flowing into groundwater, which can be toxic. If ground flooding has occurred, the toilets may not flush, and water will drain very slowly. With no way out, the water backs up into the drains of the home. But if excessive rainfall has already pooled around the septic tanks, there is nowhere for the water to go. The soil area around the septic tank absorbs water that flows out of the septic system. Significant rainfall can flood the ground quickly. This article explains the signs of septic backup and how to prevent further issues. But there are preventative measures that can help. It is common to have a septic backup during or after heavy rain. Posted on by Marc Francis Plumbing How Heavy Rain Can Overflow Septic TanksĪs the rainy season continues, homeowners need to be aware of the risks associated with septic systems.
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