
A sand mound can help deal with several of the issues a septic system may face. This works by building up a specialized mound with gravel and sand to allow more distance between the drain lines and bedrock or groundwater. These systems require the use of a pump to get effluent up to the higher levels of the drain field.
How long will a sand mound septic system last?
The tank included in your mound septic system can last for a long time. It should remain functional for 15 years at the very least. Assuming you maintained the septic tank properly though, it will last longer than 15 years.
What is the average cost to replace a septic tank?
Replacing a septic tank usually costs anywhere from roughly $3,000 to $10,000, depending on the type of tank your home needs, the size of your house and the cost of installation. Because of these...
How much does a sand mound septic cost?
The cost of the electric pump and sand also contributes to the total price. Mound septic systems have an average cost between $10,000 and $20,000. Click to see full answer. Then, how much does it cost to install a sand mound septic system? The cost of the electric pump and sand also contributes to the total price.
How do you care for a septic system?
What Is a Septic System?
- Get Familiar With Your Septic System. ...
- Have It Pumped Routinely. ...
- Spread Your Washing Machine/Dishwasher Usage Throughout the Week. ...
- Don’t Treat Your Toilet Like a Trash Can. ...
- Think About What You Dump Down the Kitchen Sink Drain. ...
- Be Careful With Cleaning Chemicals. ...
- Protect Your Drainfield. ...
See more

How do you maintain a sand mound septic system?
1. Inspect your septic tank once every year and pump it when needed. If the tank is not pumped periodically, solids escaping from the septic tank will clog the pump and mound. Using a garbage disposal will increase the amount of solids entering the tank and require more frequent pumping.
How does a mound septic system work step by step?
7:3018:57Mound Septic Systems - YouTubeYouTubeStart of suggested clipEnd of suggested clipWe level that sand. Place six inches of gravel down lay our distribution pipe network on top of thatMoreWe level that sand. Place six inches of gravel down lay our distribution pipe network on top of that gravel. Place additional gravel on top of the pipes.
How long does a sand mound septic system last?
20 to 25 yearsHow long will a septic or mound last before it eventually fails? Mounds and septic systems designed and installed prior to the year 2000 AVERAGE 20 to 25 years of useful life prior to failing and needing to be replaced.
What is a sand mound used for in a septic system?
The constructed sand mound contains a drainfield trench. Effluent from the septic tank flows to a pump chamber where it is pumped to the mound in prescribed doses. Treatment of the effluent occurs as it discharges to the trench and filters through the sand, and then disperses into the native soil.
Should you mow your septic mound?
To prevent compaction, do not allow any vehicles or heavy equipment on the mound. When mowing the lawn, use a hand mower, rather than a riding mower. In general, try to reduce the amount of foot traffic and other activity on the mound. This will also help protect the mound from losing soil to erosion.
How do you clean sand mound pipes?
0:372:55How to Flush the Lateral Lines of Your Septic System - YouTubeYouTubeStart of suggested clipEnd of suggested clipSee the water coming out looks pretty clean just flush it for 15-20 seconds till the water looksMoreSee the water coming out looks pretty clean just flush it for 15-20 seconds till the water looks reasonably clean still see a few things.
Why do mound systems fail?
Malfunction due to construction errors Sewage absorption area compacted during construction, reducing infiltration (toe) Sewage absorption area smeared during excavation or scarification because the soil moisture was over the plastic limit (toe)
Do mound systems smell?
Smell. Most septic systems you will not know is there because they will not smell. There is a possibility that the normal septic system container can overflow, but it doesn't happen often. The mound septic system is placed near the surface, which means you are not far from the sewage.
What type of septic system is best?
If your tank is going to be installed in an area with gravel or coarse soil, a pressure-type septic system is best. For areas with rich soil or dirt, a gravity system is better. These allow streams of untreated sewage to seep into the ground, fertilizing the surrounding dirt.
Can a mound system be put anywhere?
As with any other soil treatment unit the mound should be located so it is not subject to additional water impacting the system; so away from runoff areas and waterways, away from areas that may be affected by runoff from impervious surfaces such as roofs, driveways, patios, etc.
Can you have a septic tank without a leach field?
Having a leach field is essential because it helps to treat and clean the wastewater from the tank. Without a leach field, you would essentially have raw sewage spilling out into the area and polluting the soil and potentially the groundwater.
What can you put on top of a septic mound?
Put plastic sheets, bark, gravel or other fill over the drainfield. Reshape or fill the ground surface over the drainfield and reserve area. However, just adding topsoil is generally OK if it isn't more than a couple of inches. Make ponds on or near the septic system and the reserve area.
What can you put on top of a septic mound?
Put plastic sheets, bark, gravel or other fill over the drainfield. Reshape or fill the ground surface over the drainfield and reserve area. However, just adding topsoil is generally OK if it isn't more than a couple of inches. Make ponds on or near the septic system and the reserve area.
Do mound septic systems smell?
The soil treatment area, or leach field, consists of an in-ground drain bed, field, or mound, and there should not be a strong septic odor unless there's a problem.
What is a mound type septic system?
A mound septic system is an alternative to other septic tank systems. It rests near the top of the ground and does not use a container for the waste. This type of septic system disposes the waste through sand, and the ground will absorb the waste. The mound septic system has many good points and bad points.
What are the 3 types of septic systems?
Septic System TypesConventional Gravity Septic System. A conventional gravity system is the simplest form of an onsite wastewater system and requires deep usable soil depths (>30 inches). ... Conventional-Pump Septic System. ... Pressure Manifold Septic System. ... Low-Pressure Pipe (LPP) Septic System.
What are Mound Septic Systems?
Mound Septic Systems (also known as an Above Ground Septic System or a Sand Mound Septic System), is drain field that, true to its name, sits above ground in an engineered mound.
Why is it important to clean the septic system at the mound?
This is important because your Mound Septic System would not be able to clean the effluent properly if it arrived all at once.
What about the disadvantages of mound septic systems?
Since engineering and materials involved, Mound Septic Systems can be more expensive and take longer to install than a traditional septic system or another above ground alternative
How much does a Mound Septic System cost?
Pricing can range depending on quite a few factors, soil conditions, size of lot, home size, the permeability of the soil, cost of sand and transportation (often very rural lots can be long distances from quarries and trucking costs can easily run high).
Why is regular maintenance of a septic system important?
This is because Mound Septic Systems are more complex, fragile and costly than other types of septic systems. Plan a yearly inspection of your system and arrange for the septic tank and the dosing chamber to be pumped every three to five years.
What is Wisconsin septic system?
The “Wisconsin Mound” consists of gravel trenches set into a mound of sand (hence we sometimes call it a Sand Mound Septic System). The distribution pipes are placed in the gravel trenches and the wastewater is fed out of these by a method called pressure-dosing.
What happens if you use a septic system that is not permeable?
Using the wrong septic system in a highly permeable soil can result in contamination of nearby water sources or ecosystems. On the other hand, soils low in permeability will not be able to absorb wastewater fast enough. Using the wrong septic system in this case often gives rise to unsanitary conditions like surface pooling.
What is a Mound Septic System?
A mound septic system is an underground wastewater treatment structure used to treat wastewater in areas where multi-stage wastewater treatment systems are limited. These systems are substitutes to the drainage field of the traditional rural septic systems. The mound septic system uses in areas in which septic tank systems are susceptible to failure due to highly impermeable or permeable soils, shallow-pored bedrock soils, and high groundwater terrain.
When was the first mound septic system invented?
In the 1930s, the North Dakota College of Agriculture developed the first mound septic system. In the 1976s, the mound system design was studied by the University of Wisconsin as a part of the university’s waste management project. This project published the 1st design manual to determine the design conditions and criteria for ...
What happens after a septic system is pumped?
After passing through the septic tank, the wastewater delivers to the leach field or drain field for subsequent soil treatment. Every time new sewer water enters the septic tank, some treated sewer water pushes into the leaching/drainage point for more treatment.
Why does a septic tank overturn?
Septic tank overturned because of excessive use of detergents, chemicals, and medicines (top/ side) Leaky joints or excessive use of water (toe) Clean water sources connected to mound septic system, such as sink Pumps (Toes) Drainage from the roof or the impermeable area of the septic tank or the system area (toe).
How does wastewater get into a septic system?
As the wastewater reaches into the septic tank, it traps the wastewater for a long time so that solid particles can settle down. After this, the wastewater flows by the septic tank into the dosing chamber. The wastewater is stored in this chamber and regularly pumped into a mound of soil.
What happens when a drain field is flooded?
As the soil in the drain field is flooded, some of its wastewater treatment capacity is lost. After completing the purification process, the purified effluent evaporates from the soil or ends up in the groundwater. The vegetation that grows on the mound system helps to evaporate some of the fluid.
How much does a mound septic system cost?
The average cost of a mound septic tank system is anywhere from $9000 to $20,100. In contrast, the conventional septic tank systems are relatively inexpensive, averaging from $2900 to $15,000. The average costs of the mound septic systems are from $9000-20,000 but can be high, especially for large systems.
How does a sand mound work?
This works by building up a specialized mound with gravel and sand to allow more distance between the drain lines and bedrock or groundwater. These systems require the use of a pump to get effluent up to the higher levels of the drain field. The pump is specially designed to release a specific amount of effluent into the drain field at a time which allows it to filter properly into the groundwater.
Why do you need to space out a sand mound?
Because of this, using the dishwasher and doing 5 loads of laundry at the same time is not the best choice if you have a sand mound. By spacing out water usage, the sand mound won’t be overloaded with too much water to properly filter any remaining contaminants.
How does a second tank drain?
Once it progresses through the second tank the effluent is released into the drain field. Typically, the drain field is made up of multiple pipes that evenly disperse this water into the ground. As the water drains further down through the soil any remaining bacteria are removed and clean water drains into the ground water.
How does a septic system work?
A traditional septic system works with gravity to fully treat wastewater before releasing it into the groundwater. As wastewater leaves our homes it is directed into a tank called the septic tank. This tank is divided into two sections where the initial breakdown of harmful bacteria begins. Heavy solid matter, known as sludge, sinks to the bottom while the lighter solids called scum, float to the top of the tank. The middle portion is water that has been partially cleaned by natural bacteria in the tank and is called effluent. This effluent is directed into the second section of the tank and the process is repeated.
What does it mean when a septic system smells?
This would indicate that there is an issue in your system that needs to be fixed before a bigger problem develops. Additionally, it is a good idea to have us inspect your septic tank, pump, and sand mound regularly to ensure everything is running smoothly.
Do you need to know about septic maintenance?
With any septic system you need to know the proper maintenance to keep it running smoothly, but with a sand mound there are a few extra things you will need to keep in mind.
Can a septic system be used in rural areas?
Septic systems are common to find in more rural areas. These homes typically don’t have easy access to the public sewer system and use septic systems to treat and dispose of wastewater instead. However, depending on terrain and the specific needs of the household a traditional septic system may not be a viable option. Sand mounds are one way to solve some of the problem that homeowners may run into with a septic system.
Why is there no container for a mound septic system?
A mound septic system has no container, and digging too far gets you too close to the water table. This means instead of digging down you have to dig out. This causes a problem because you need a larger space for the trench. This limits where you can place a mound septic system, let alone if you can even have one.
How high can a septic mound be?
The mound can be as high as five feet.
What does it mean when a septic system is placed near the surface?
The mound septic system is placed near the surface, which means you are not far from the sewage. If the waste does not leach fast enough through the ground, it can find its way to the top. More From Doityourself. Troubleshooting Septic System Problems. What to Consider When You Replace a Sewer Line.
Is a mound septic system good or bad?
This type of septic system disposes the waste through sand, and the ground will absorb the waste. The mound septic system has many good points and bad points . The information that follows will share with you the pros and cons of the mound septic system.
Can you landscape a septic mound?
It is possible to landscape the mound but, in the end, you still have a mound of sand to contend with. One main issue with having a mound septic system is the space needed to properly dispose of the waste. With other kinds of septic systems, a large container is placed underground and buried.
Is a mound septic system better than a septic tank?
The mound septic system does a great job of protecting the water table and sometimes more so than other septic tank measures. The mound septic system is easier to install than the other kinds of septic systems. The mound septic system is essentially a matter of excavating the area and installing pipes and filters.
How does a septic tank work?
Most modern septic tanks utilize multiple chambers and baffles to maximize the wastewater’s holding time inside the tank. This allows more time for the solid waste to separate from the liquid and for the bacteria to digest it. This is important as this limits the amount of solid waste that ends up in the drainfield. Accumulation of solids in the drainfield can lead to clogs and, eventually, system failure. Incoming waste is directed downward in the tank, minimizing disruption to the rest of the tank’s contents. A wall baffle between chambers helps keep most of the sludge out of the final chamber, the contents of which are first to leave the tank for the drainfield. Below is a simple diagram of a multi-chamber septic tank.
How do bacteria work in a septic system?
Beneficial bacteria break down waste, removing harmful pathogens in the process, leaving the water clean enough to safely filter down to the ground. These helpful bacteria are present in the septic tank but do most of the “hard labor” in the drainfield.
What happens if you don't remember when your septic tank was last pumped?
If you cannot remember when your septic tank was last pumped, this could be your first sign to expect a system problem sooner than you think. Neglecting to have a septic tank pumped over a long time slows down the decomposition process, leading to blockage and sewage overflow. Over time, excrement, food, and other solid wastes build-up, and if left to accumulate, the septic system could give up and back up completely.
What is a conventional septic system?
In a nutshell, a conventional septic system consists of a septic tank and a septic drainfield (also known as a leach field or soil absorption field). It is in the septic tank where the separation of solid and liquid wastes present in wastewater happens.
Why is grass greener in a septic tank?
You may have heard the expression, “grass is always greener over the septic tank.” Actually, this is more accurate for the drainfield where the grass really is greener due to the presence of moisture and nutrients in the area. In a healthy and properly-functioning septic system, all the bacteria that are required to process waste is naturally present. Bacteria that aid our own physiological digestion travel with waste into the septic tank, where they feed and thrive. With each flush of solid waste, new colonies are added.
How does wastewater run out of a house?
All wastewater runs out of your house or facility through one main drainage pipe connected to your septic tank.
What is a septic system?
Septic systems are dedicated on-site wastewater treatment structures, typically relied on by properties situated in rural areas with no centralized sewer system access available. These systems use a combination of nature and reliable technology to treat wastewater from the household’s or building’s plumbing coming from its bathrooms, kitchen drains, and laundry. Simple yet effective, these tank-and-soil absorption systems remove solid matter from wastewater and send the treated wastewater into the ground, where filtration, helpful microbial activity, and time all work together to render clean water safe for release to the environment.
