Fully Licensed and Insured Team in Ottawa for Septic Tank Cleaning A-One Pumping Inc. has been proudly serving Ottawa and surrounding areas for over 48 years with outstanding drain and septic tank cleaning. Our local, family owned and operated business is also committed to keeping your septic system in excellent working condition. For quality and service, the competitors can’t beat our experienced septic system cleaning team. During an emergency, you can call our licensed and insured team for a quick service. We are available 24 hours a day, seven days a week. Contact us for a detailed on-site inspection of your drainage system and free quotes on our services. more... See more text