Aerobic System Maintenance for Casco Homes
If your home in Casco has an aerobic septic system, it depends on an aerator, controls and often a disinfection step to work correctly. When any of those fail, the system can smell, alarm or discharge poorly treated water.
Request a call and a local company that knows aerobic units can inspect and service yours.
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 a maintenance visit looks like
On a maintenance visit the technician listens to and checks the aerator, clears the air lines and diffusers, tests the alarm and timer, and looks at the color and clarity of the water in each chamber. They measure sludge, top off or check the disinfection unit, and leave a written record of what they found and fixed.
When your aerobic alarm goes off
First check the breaker for the system. If it has tripped and trips again after resetting, do not keep resetting it. Cut back on water use and schedule service. Tell the company the brand of your unit if you can find it, since parts differ between manufacturers.
How often to service an aerobic system
Many manufacturers and local rules call for service every few months, often two to four visits a year. The pretreatment tank still needs pumping periodically. the Cumberland County health department or your state agency may set minimum requirements, so check what applies to your property in Casco.
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.
What to ask before signing a service contract
Before you sign, ask how many visits a year are included, whether parts and chlorine are covered, and how fast they respond to an alarm. Ask if they file any inspection reports your county requires on your behalf, and whether they are certified to work on your brand of aerobic unit.
The parts of an aerobic system in Casco homes
Most aerobic units have an aerator or air compressor, a control panel with an alarm, one or more floats, and a disinfection unit that uses chlorine tablets or ultraviolet light. Many also have a pump that sends treated water to spray heads or drip lines. Each part wears on its own schedule. Aerators and pumps run many hours a day, so they are usually the first to need attention, while floats and alarms fail less often but matter just as much.
Keeping an aerobic unit healthy day to day
Aerobic units do best with steady, moderate water use. Spread laundry across the week, avoid harsh cleaners and bleach in large amounts, and keep grease, wipes and medicines out of the drains. If the power goes out, the unit stops aerating, so cut water use until it is back on.
Aerobic units in Cumberland County
Aerobic systems are common in parts of Cumberland 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 Casco and nearby towns such as Raymond, Naples, Gray often keep a maintenance contract in place for that reason.
Why Casco conditions matter for aerobic systems
Most mapped soils near Casco 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. About 50 inches of precipitation a year can overload spray fields and let water into tanks, so keep an eye on alarms after storms. About 4 months below freezing make a sheltered, working aerator important, since treatment slows when the unit gets too cold.
Local conditions in Casco that affect aerobic septic service
Among the mapped soils within about two miles of central Casco, the USDA soil survey rates 98% as very limited for septic absorption fields, 2% as somewhat limited and 0% as not limited. The most common drainage class is somewhat excessively 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.
Casco averages about 50 inches of precipitation a year, and October is usually the wettest month. Average temperatures stay below freezing for about 4 months a year, with January averaging 18°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 Casco means for aerobic septic service
By drainage class, the USDA soil survey maps the land around Casco as 29% somewhat excessively drained, 19% well drained, 19% moderately well drained, 14% poorly drained, 12% excessively drained, 5% very poorly drained, 2% somewhat poorly drained. Aerobic systems are often used where soil is too limited for a conventional field; around Casco, 98% of the soil is rated very limited.
Source: USDA NRCS Soil Survey (SSURGO), Soil Data Access
Septic companies near Casco
These are the septic companies in our directory closest to Casco, with straight-line distance. Call any of them directly, or send one request and we will pass it to the best match.
- Morrell's Septic Tank Service, Naples, ME, 7.6 mi
- Arkie Rogers Septic Service, Windham, ME, 9.0 mi
- Arkie Rogers Septic Service Inc, Windham, ME, 9.0 mi
- Proseptic Pumping-Installations, Windham, ME, 9.9 mi
- Septi-Vac Pumping Inc, Cumberland, ME, 14.2 mi
- Dyer Septic Service, Harrison, ME, 14.7 mi
Aerobic Septic Service in nearby towns
We also cover aerobic septic service in these towns near Casco:
About Casco, ME
Casco is in Cumberland County, Maine. About 3,686 people live there, across 31.3 square miles of land (about 118 per square mile).
Aerobic Septic Service questions in Casco
- Do aerobic systems need to be pumped?
- Yes. The pretreatment tank and sometimes other chambers still collect solids and need periodic pumping, usually less often than a conventional tank.
- 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 Cumberland County health department to see what applies in Casco.
- Can a regular septic company service my aerobic unit?
- Many can, but not all. Ask whether the company works on aerobic systems and on your brand.