Alder Storm Category 3 Drivers
Water damage in Alder tends to cluster in predictable windows because of the local climate. sewer lateral collapse during atmospheric river rainfall events A close second is hillside septic system failure during saturated soil conditions.
Alder experiences mild, wet winters and dry summers, which increase the risk of bacterial growth in black water. The area's proximity to the Columbia River also raises flood risks during heavy rainfall.
Alder experiences mild, wet winters and dry summers, which increase the risk of bacterial growth in black water. The area's proximity to the Columbia River also raises flood risks during heavy rainfall. 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.

