Aerobic System Maintenance for Kirkwood Homes
Aerobic systems need more attention than conventional septic tanks. Many areas require regular inspections or a maintenance contract to keep them working and in compliance.
Companies that work across St. Louis County can set up a service schedule and respond when an alarm goes off.
Inside an aerobic treatment unit
Most units have three stages: pretreatment, aeration and clarification, followed by disinfection and dispersal. The aerator runs much of the day, and an alarm warns of high water or equipment failure. Each part has to work for the system to treat water properly.
What routine service includes
A typical service visit checks the aerator and air lines and inspects the control panel and alarm. The technician also looks at the water in each chamber, tests or refills the chlorinator, checks spray heads or dispersal parts, and measures sludge levels. The technician should leave a written record of what they checked and found.
What an aerobic alarm is telling you
Most aerobic alarms mean one of two things: water is rising too high in the pump chamber, or the aerator has lost air pressure. A tripped breaker, a failed compressor, a float stuck in the wrong position or a pump that no longer runs are the usual causes. Cut back on water and call for service rather than ignoring the light.
A service schedule for aerobic units
Aerobic units are not set and forget systems. Many permits and maintenance contracts call for a visit every four to six months, plus pumping of the pretreatment tank every few years. Households that run a lot of laundry or have many people may need visits more often to keep the unit treating water properly.
When to call for aerobic service
Call if the alarm keeps coming back or the compressor is hot, noisy or has stopped. Also call if you smell sewage near the unit or it has been more than a few months since the last service visit. Early service is usually far cheaper than repairs after a failure.
Choosing an aerobic service provider
Look for a company familiar with the aerobic units common around Kirkwood and Des Peres, Oakland, Glendale, clear service records and responsive alarm calls. Ask for references if you are signing a multi-year contract.
What wears out first
In aerobic systems around Kirkwood, the aerator and the pump do the most work, so they tend to wear out first. Diffusers can clog with scale, floats can stick, and spray heads can fill with grit or get knocked out of position by mowers. Chlorine tablets run out on a regular cycle. A service visit that checks each of these in order is the easiest way to avoid a surprise failure.
Simple habits that help
Spread laundry through the week, fix running toilets quickly and keep grease out of the kitchen drain. These habits keep the load on the system steady. If you will be away from your Kirkwood home for a long time, ask your service company whether the unit should keep running while you are gone.
Aerobic units in St. Louis County
Aerobic systems are common in parts of St. Louis County where the soil cannot handle a conventional drain field. Because they rely on power, air and moving parts, they need regular attention from a company that services them. Homeowners in Kirkwood and nearby towns such as Des Peres, Oakland, Glendale often keep a maintenance contract in place for that reason.
Why Kirkwood conditions matter for aerobic systems
Most mapped soils near Kirkwood are rated very limited for septic absorption, which is one reason aerobic units are used here. The cleaner water they produce is easier on difficult soil, as long as the unit is serviced. Kirkwood averages about 43 inches of precipitation a year, and alarms tend to come more often in May. About 1 months below freezing make a sheltered, working aerator important, since treatment slows when the unit gets too cold.
Local conditions in Kirkwood that affect aerobic septic service
Among the mapped soils within about two miles of central Kirkwood, the USDA soil survey rates 92% as very limited for septic absorption fields, 8% as somewhat limited and 0% as not limited. The most common drainage class is well drained. Soils like these often call for careful system design, such as a larger drain field, a mound or another engineered system, and a site evaluation before any new installation or replacement.
Kirkwood averages about 43 inches of precipitation a year, and May is usually the wettest month. Average temperatures stay below freezing for about 1 month a year, with January averaging 30°F, so tank lids and shallow lines benefit from a layer of snow or mulch rather than being cleared bare.
Sources: USDA NRCS Soil Survey (SSURGO), Soil Data Access; NASA POWER long-term climatology. Soil ratings describe mapped soil types near the city center and do not replace a site evaluation of your property.
What the soil around Kirkwood means for aerobic septic service
By drainage class, the USDA soil survey maps the land around Kirkwood as 45% well drained, 32% moderately well drained, 18% somewhat poorly drained, 6% somewhat excessively drained. Aerobic systems are often used where soil is too limited for a conventional field; around Kirkwood, 92% of the soil is rated very limited.
Source: USDA NRCS Soil Survey (SSURGO), Soil Data Access
Septic companies near Kirkwood
These are the septic companies in our directory closest to Kirkwood, with straight-line distance. Call any of them directly, or send one request and we will pass it to the best match.
- Veterans Environmental Service, Bridgeton, MO, 13.6 mi
- Bailey Sewer & Water, Granite City, IL, 17.6 mi
- King Septic Service, Cedar Hill, MO, 18.7 mi
- Abr Septic Service, Dittmer, MO, 23.5 mi
- Sweenco LLC, Wentzville, MO, 25.0 mi
- All Weather Sewer Service, De Soto, MO, 26.5 mi
Aerobic Septic Service in nearby towns
We also cover aerobic septic service in these towns near Kirkwood:
- Des Peres, 1.9 mi
- Oakland, 2 mi
- Glendale, 2.3 mi
- Warson Woods, 2.5 mi
- Crestwood, 2.8 mi
- Sunset Hills, 3.4 mi
About Kirkwood, MO
Kirkwood is in St. Louis County, Missouri. About 29,174 people live there, across 9.2 square miles of land (about 3,177 per square mile).
Aerobic Septic Service questions in Kirkwood
- Why does my aerobic system smell?
- Odors often mean the aerator has stopped or the disinfection step is empty. Have the system checked soon.
- Can I turn off my aerator to save power?
- No. Without air, the bacteria that treat the water die off, and the system can smell and discharge poorly treated water.
- Is a service contract required?
- In many areas, yes, especially after the first years. Check with the St. Louis County health department to see what applies in Kirkwood.
- Is SepticTank.com the company that services my system?
- No. SepticTank.com connects you with an independent local septic company that serves Kirkwood. That company performs the service and sets its prices.