Why Category 3 Hits Mission Viejo Hard
The pattern in Mission Viejo is consistent. sewer lateral collapse during atmospheric river rainfall events drives most of the emergency restoration calls we get. A close second is hillside septic system failure during saturated soil conditions.
Mission Viejo's Mediterranean climate, with dry summers and wet winters, increases the risk of sewer overflows and septic system failures during heavy rainfall events
Mission Viejo's Mediterranean climate, with dry summers and wet winters, increases the risk of sewer overflows and septic system failures during heavy rainfall events The dominant local driver is sewer lateral collapse during atmospheric river rainfall events, with hillside septic system failure during saturated soil conditions showing up as the next most common cause. Damage builds in stages. Spread. Absorption. Microbial growth. Structural compromise. Every stage you pass through adds to the final bill.

