What Makes North Bonneville See Category 3 Events
Living in North Bonneville means contending with sewer lateral collapse during atmospheric river rainfall events. A close second is hillside septic system failure during saturated soil conditions. Water damage is fully recoverable when caught fast and treated by certified technicians.
North Bonneville experiences mild, wet winters with frequent rainfall, increasing the risk of sewer and septic system failures. The region's proximity to the Columbia River also contributes to flooding risks during heavy storms
In North Bonneville, sewer lateral collapse during atmospheric river rainfall events drives the majority of category 3 black water cleanup calls. A close second is hillside septic system failure during saturated soil conditions. Microbial growth begins within 24-48 hours of unaddressed water exposure.
