Common Category 3 Triggers in Tamalpais-Homestead Valley
Most category 3 black water cleanup calls in Tamalpais-Homestead Valley come from sewer lateral collapse during atmospheric river rainfall events. A close second is hillside septic system failure during saturated soil conditions. If you know what is about to happen, the decisions during the first 48 hours get a lot easier.
Tamalpais-Homestead Valley experiences mild, wet winters and dry summers, which increase the risk of sewer backups and septic system failures during heavy rainfall. The region's hilly terrain exacerbates flooding and contamination risks.
Most category 3 black water cleanup calls in Tamalpais-Homestead Valley come from sewer lateral collapse during atmospheric river rainfall events. Running a close second is hillside septic system failure during saturated soil conditions. Once water sits unaddressed past 24 to 48 hours, microbial growth starts and the job gets a lot more expensive.

