Residential Cesspools & Septic Systems, Nassau & Suffolk County, Long Island, NY | NYSeptic.com
Septic Cleaning Methods
There are three basic ways to clean out your septic system, each with their own advantages and drawbacks. Be sure to check your local and state laws before attempting to empty the cesspool by yourself.
Aeration
A chemical alternative for cleaning out the cesspool, aeration involves pouring sulfuric acid into the well or tank. The acid breaks down the solid waste and sludge, allowing air to pass through. As a result, the waste is dissolved without extensive pumping. The downside to this method is that sulfuric acid is corrosive and may cause damage to your septic system if not used properly.
Hydro-Jetting
Another alternative method used in wells which may reduce or eliminate the need for pumping is to use hydro-jetting. A high-pressure blast forces water into the ground at the bottom of the cesspool, breaking up the solids. This method has the fastest recovery time when cleaning a well.
Pumping
The most common method of cleaning out a cesspool is the use of a large pumping truck. This vehicle empties out your cesspool into a large storage tank. The price for pumping generally runs between $75 and $200, but larger tanks may cost $300 or more. This estimate doesn’t include additional costs, such as excavating and refilling the ground above the tank. You may choose to excavate the manhole cover yourself or rent a backhoe for larger operations.
Pumping is considered the default method for cleaning out septic tanks and should be performed every two to four years. Some smaller tanks may require annual pumping if used heavily, while even large and seldom used tanks should be pumped at least once every five years. Note that in many states, it is illegal to pump a cesspool without proper certification.
Septic Maintenance
Preventative Maintenance
One of the easiest ways to help keep your septic system functioning efficiently is to take care of what goes into it. As both wells and septic tanks rely upon bacteria to break down the waste, many substances cannot be easily broken down and may even kill off the beneficial bacteria. Some examples of these substances are:
- Household chemicals, especially ammonia or antibacterial cleansers will kill the bacteria and prevent the sewage from being broken down.
- Diapers, paper towels, and other hygiene and paper products are not designed to be flushed and may create blockages. As they aren’t designed to break down as quickly as toilet paper, these products might sit in the septic system until the next schedule pumping.
- Grease solidifies as it cools and has adhesive qualities. Not only will hair and other debris stick to it, the grease will also line pipe walls, building up until it creates a blockage.
- Avoid putting bone or vegetable matter in your garbage disposal. Doing so may release grease, fat, or other insoluble liquids into the septic system.
- Powdered laundry detergents incorporate an insoluble clay which may cause clogging. Therefore, use only liquid detergents when possible.
It is also important not to use too much water at once. Aim downspouts away from the septic system and avoid running multiple water-intensive appliances at once. Regardless of whether you have a well or septic tank, the waste takes time to break down and large volumes of incoming water in a short amount of time may overwhelm the limited capacity of your system.
Testing Septic Levels
Septic systems are designed to separate and store waste. As a result, they need to be cleaned out occasionally to prevent overflows or clogging. A simple test may be performed using a stick long enough to touch the bottom of your well or tank. When dipped and examined, the sludge level should be one-third or less of the tank’s height. If the stick shows a higher level, you will need to pump.
Baffle Clogs
As septic tanks include drain fields, maintenance requires additional steps. For example, the front and rear baffles on a septic tank must be kept clear of sludge to prevent a potential rupture. Common signs of damaged baffles include unusually lush vegetation or foul odors coming from the drain field.
Special Notes on Cesspool Lagoons
One less common variation of a cesspool is an above-ground cesspool lagoon. This form of septic system appears primarily in areas where the soil cannot support a drain field and municipal sewer systems aren’t available. Waste water is pumped into a shallow lagoon where sunlight and oxygen decompose the waste quickly. There are a few special steps which must be followed when caring for a cesspool lagoon.
Preventing Erosion
Erosion of the ground surrounding a lagoon is a major concern. For this reason, you should install short, hardy plants along the perimeter of the lagoon to help reduce erosion without blocking the flow of air along the surface. Trees and shrubs which lose their leaves in the autumn may also cover the lagoon and prevent proper aeration, so avoid planting them near your lagoon.
Maintenance
It may become necessary to dredge the lagoon using a backhoe if the level approaches the top embankment. In addition, shrubs growing in the lagoon clog the system and hinder the aeration process. Therefore, it’s important to remove any saplings which appear in the lagoon while they’re small, or you will eventually have to use a backhoe to protect your system.
Safety
Due to the exposed nature of cesspool lagoons, it is important to add fencing to prevent children or animals from falling in. Make the enclosure large enough to permit mowing. You will also need to annually treat your lagoon with dunks, which are available at your local county extension agency. These small disks help prevent the breeding of mosquitoes.
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