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Septic Tank Pumping Services Milwaukie Oregon & Surrounding Areas

Out of sight, out of mind is a motto that does not apply to your septic tank systems. Goodman Sanitation in Milwaukie, OR understands that proper maintenance of a septic systems is crucial and saves time and money in the long run.

The solids that accumulate in septic tanks should be pumped out regularly, usually every three years at least, more often if usage requirements merit it. If they are not removed, eventually those solids will overflow and build up as a blockage in the drainfield clogging the soil to the point that no wastewater is able to flow into the soil. This sewage effluent may either back up into your dwelling or flow across the surface of your drainfield. In the event this happens, a new drainfield will have to be constructed in a different location on your lot. Merely pumping the septic tank at this point will not repair the systems. Because the drainfield cannot absorb any more wastewater, only a few days relief will be accomplished until the septic tank once again fills up.

Generally, the only maintenance required for a septic tank is regular pumping. Neglecting this regular schedule, or even the introduction of some additives, can increase the likelihood of your experiencing a drainfield failure by causing more solids to pass through the septic tank.

Pumping the systems is also the only way to check the septic tank for possible leaks and to inspect the baffles. It is rare for a modern septic tank to develop leaks. However, if the tank is metal, its lifetime will be about 20 years and will need to be replaced when it fails. This is an important thing to consider when purchasing an older property with a septic systems and should be part of the real estate inspection.

With Goodman Sanitation you are ensured a septic systems that is properly designed, installed, and is adequately maintained.

Houshold size (Number of People)
Tank Size
1 2 3 4 5 6 7 8 9 10
500 5.8 2.6 1.5 1.0 0.7 0.4 0.3 0.2 0.1 -0.7
500 9.1 4.2 2.6 1.8 1.3 1.0 0.7 0.6 0.4 0.3
1000 12.4 5.9 3.7 2.6 2.0 1.5 1.2 1.0 0.8 0.7
1250 15.6 7.5 4.8 3.4 2.6 2.0 1.7 1.4 1.2 1.0
1500 18.9 9.1 5.9 4.2 3.3 2.6 2.1 1.8 1.5 1.3
1750 22.1 10.7 6.9 5.0 3.9 3.1 2.6 2.2 1.9 1.6
2000 25.4 12.4 8.0 5.9 4.5 3.7 3.1 2.6 2.2 2.0
2250 28.6 14.0 9.1 6.7 5.2 4.2 3.5 3.0 2.6 2.3
2500 31.9 15.6 10.2 7.5 5.9 4.8 4.0 4.0 3.0 2.6

Note: More frequent pumping needed if garbage disposal is used


Provided through a grant from the Farmer Home Administration. The material is the result of tax supported research and as such is not copyrightable. It may be freely reprinted with the customary crediting of sources.

Extension Services, Oregon State University, Corvallis, O.E. Smith, director.
This publication was produced and distributed in furtherance of the Acts of Congress of May 8 and June 30, 1914. Extension work is a cooperative program of Oregon State University, the U.S. Department of Agriculture, and Oregon counties.
Oregon State University Extension Service offers educational programs, activities, and materials – without regard to race, color, national origin, sex, age, or disability – as required by Title VI of the Civil Rights Act of 1964, Tax IX of the Education Amendments of 1972, and Section 504 of the Rehabilitation Act of 1973. Oregon State University Extension Service is an Equal Opportunity Employer.


There are inspections for homeowners who want to remodel their homes with additions to the house or property.

There are inspections for hardship cases for homeowners who want to add a mobile home to the property and attach to the existing septic systems.

There is the "time of transfer" inspection / evaluation when the homeowner is selling the property.

Each of these inspections require that the tank be uncovered, the distribution box(es) be uncovered, that there is an amount of water introduced to the tank, to watch the contents flow to the distribution box and be accepted by a "thirsty" drainfield, to pump the tank and note any deficiencies.

To do an inspection on any and all pump vault components and panels along with electrical connections. To provide a detailed plot plan meeting all DEQ Specified requirements with all DEQ forms filled in completely with our technicians "certified" number and identification on the reports.

Should any repairs be needed to help bring your systems "up to date" with compliance codes. We will outline the repairs and the cost and schedule an appointment for you. This gives you time to make an informed decision, awk questions, research websites, or for comparison bids for repair or work on fitting the repairs into your budget.

Your septic systems is the second biggest investment, next to your home and Goodman Sanitation will be considerate on how you spend your money.

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