Why Category 3 Hits Andover Hard
The pattern in Andover is consistent. combined sewer overflow pushing raw sewage into basements during spring storms drives most of the emergency restoration calls we get. A close second is septic system failure during spring snowmelt saturation.
Andover experiences warm, humid summers and heavy spring rainfall, which increases the risk of microbial contamination in standing water, particularly in older infrastructure.
Andover experiences warm, humid summers and heavy spring rainfall, which increases the risk of microbial contamination in standing water, particularly in older infrastructure. The dominant local driver is combined sewer overflow pushing raw sewage into basements during spring storms, with septic system failure during spring snowmelt saturation 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.

