At Rainbow Septic Service, we are a second-generation family business and we are always the most reliable choice. Whether your septic tank system needs maintenance, installation, pumping or more, be sure to call Rainbow Septic Service today! Locally owned and operated since 1979. We service all of Skagit and San Juan Counties with certified inspections, septic tank pumping, backhoe, cat-work and septic tank installation. When you have a home that relies on a septic tank system to treat and dispose of wastewater, you want to be sure that your tank works efficiently. Call the professional and experienced people you can trust, Rainbow Septic Service.