All Clear Septic All Clear Septic and Wastewater Services are scheduled for remediation of a septic system in Cumberland, RI today. We have experience with septic system remediation in RI and can use this expertise to professionally, efficiently and promptly restore your septic system to working order. If you need more information or to schedule an appointment contact our office at 508-763-4431 or visit www.allclearseptic.com