Septic System Maintenance and Service

Need an Onsite Sewage System (OSS) inspection report? We can help!

Portland Septic Services

MRP’s commitment to service and quality has made us a leader in the Pacific Northwest for septic services. We are a locally owned company, working with you to provide top quality products and services tailored to your specific needs.


At MRP, we provide a wide variety of septic services. We can help you with your emergency septic needs, and by using our electronic locators, can identify your problem immediately. We use cameras to document your entire septic system, which can be used for inspections, regulatory compliance, and other applications. We work with city and county personnel to obtain access to installation records, and will work with builders for new construction to obtain the proper permits for your site. And, of course we will clean and maintain existing systems, or help you to install a new system.

Our experienced, professional staff offers the following services:
  • Locating system equipment
  • New tank installations
  • Pumping
  • Repairs to tanks and drain field
  • Commercial and residential inspections
  • Flooded crawl space
  • Sand filters
  • Tank treatment products
  • Filter installation
  • Drain field and D box locating and repair
  • Drain field cleaning and jetting
  • Cesspools and holding tanks
  • Camera and video inspection
  • Sewer hookup and decommissioning
  • Baffle repair
  • Installation of risers for easy access to your septic tanks
  • Dosing for sand filters and drain fields to ensure proper filtration


Since one out of every four homes have a septic system, it pays to be safe. Whether you’re selling or buying a home, it’s always wise to inspect the septic system to ensure it is working properly. We offer video services for line inspections and pipe locating and can work directly with you or with your real estate agent.

Top Performance

For optimum system performance, we have a specially blended septic maintenance formula that is designed to improve and maintain septic tank and cesspool performance. This service will ensure that you never have a septic emergency!

How often should you inspect your system?

Tanks need to be well maintained to operate at their best. They require inspection every 1 – 3 years, depending on which region you’re in. Typically, we recommend servicing tanks every 3 – 5 years. They will need to be serviced more frequently for certain types of soaps (liquid soaps are harder on septic systems than powder). Also, any medical conditions and the types of paper products discharged through your system will impact the frequency of service.

Also, if your home remains vacant for more than six months, septic problems can arise and an inspection is recommended.

” Their service is outstanding! “

– Ashley

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