Diffley and Daughters Septic, Sewer & Drain Inc. has specialized in residential & commercial, septic tank cleaning, drain cleaning, portable restroom rentals & sewer installs & repair, new septic installation & repairs in the Rhode Island area for the past 36 years.

With what began with one small truck in 1976 has grown to be one of the premier waste water management companies in RI. Extensive fleet of cutting edge equipment, top notch technicians, in uniform, full support staff, drives Diffley's commitment to deliver outstanding service to our customers, living up to our motto "with pride on site, the jobs done right"

Our Professional services are available 7 days a week with 24 hour emergency service available.

RI DEM License # 836
Participant in the BBB arbitration program
Member of PSAI-Portable Sanitation Association
Our colors and our vehicles are unique. Our high standards for service and customer satisfaction are, too. Call today for a free estimate for any service.