10 DIY Septic System Plans You Can Build Easily

Setting a septic system with professionals will cost you thousands of dollars. Why not utilize the leisure or weekend on making a serviceable facility by yourself?

That’s right; we’re talking about a somewhat simple yet highly ergonomic DIY septic system. Know the best ideas to implement without breaking the overall budget.

1. Three-Barrel Assembly

The quick video demonstration lets you establish a cost-efficient system in no time. You’ll require some empty barrels to hold the waste coming through the interconnected pipes.

Unfortunately, the depiction comes pretty short; it only describes the facility in simple words. Precise cutting of the openings is necessary to maintain a strict alignment of the assembly.

However, the structuring process is somewhat simple for anyone to know the basic plumbing. You’re to dig long trenches with one reasonably deep pit to separate the solid waste.

2. Off-Grid Septic Cabin

Set your necessary septic tank like a pro, almost accomplished by yourself. The tutorial lets you understand the primary requirements of any setup on free ground.

The major portion of the DIY work concerns with digging trenches up to a suitable depth. After getting done with the digging, you’re to assemble one drum/barrel with pipes.

Simple fittings will attach the empty barrel under the ground with the inlet PVC pipe. Fill the trench with all excavated soil after pouring some water for soil compaction.

3. Concrete Septic Tank


Support your composting toilet with the ultimate septic facility, made of concrete. The article lets you redirect an old composting toilet into a usable underground tank.

You just have to dig a pit to place the readymade concrete block inside through a crane. Digging trenches from different angles will keep the inlet & outlet completely separate. Filling the trench bottom with gravel after placing the perforated pipes will do the trick.

Minimal explanation of the task is likely to give you trouble, especially with the block. But you can consider online resources to make choices for your tank requirement.

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4. Septic System Installation

It’s one long video to explain almost everything on-site with the ongoing process. From tiny to somewhat large sized houses, the intended system should accommodate the waste.

You’re to dig trenches for connecting the base pipe to the main bathroom line. And the pipe directly heads into a holding barrel, connected tightly with a rubberized band on its edge.

Although it appears one professional DIY plumbing job, the whole process comes simple. The secondary requirements will take time over digging a larger trench on its other side.

5. Retreat Property Septic System

Using some well-conditioned trash cans can make you a basic septic system on the property. Keeping one can vertically with an upright position provide the assembly.

You’re to establish a connection for 3” PVC pipes after excavating the targeted soil. The video comes describing the system rather than showing the construction process.

Anyone needs to follow the ongoing speeches to catch particular points. Idealizing the design seems easy, but you don’t have to miss the facts regarding precision.

6. Off-Grid Septic System

Make your own small-sized off-grid septic system for the house, all by yourself. However, the initial cost is likely to appear somewhat high, featuring all the fresh materials.

The introductory part continues with the necessary tools, equipment & materials. Onscreen live commentary should keep you engaged for the entire 19 minutes of the demonstration.

Its whole process is captured to lengthen the video, including the obvious facts. You need to get yourself attached to the depiction for attending maximum accuracy.

7. Aerated Sewage System

Establishing a functional wastewater system manages your sewage & nature at the same time. A facility of 5 interconnected containers should hold a whole lot of humane.

The first two containers remain anaerobic, whereas the 3rd & 4th ones are entirely aerobic. And you’re to remove all the microorganisms at the 5th container through chlorination.

One essential fact concerns with the leveled installation of the containers. Simple explaining commentary should keep you informed throughout the entire demonstration.

8. Complete Septic System Setup


The article specifically includes everything to get your septic system set like professionals. From its initial cost to final ground filling, you’ll get to know everything on demand.

Site evaluation, septic tank size based on uses, dimensioning the trenches – the tutorial covers all the crucial points. Not to mention, the setup suits a multistory living facility pretty good with an open backyard. Completion of its layout drawing should induce the beginning stages.

Primary excavation with decisive backfilling requires considerations you’re to find in words. Solid concrete structure seems like the best option to satisfy the needs perfectly.

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9. Multi-Lined Septic System

Perfectly serve numerous one-story living setups with one singular sewage system. The video tutorial lets you make a creative establishment with lots of draining pipes.

Of course, the setup requires considerable time in digging a large pit with several trenches. But simple modifications manage to keep the work simple enough for limited hands.

You’re to install one enormous tank or build yourself one with concrete or sturdy polymer coverage. The rest of its implementation is easy, letting you make the pipe connections.

10. Step by Step Septic Tank

Though it appears one professional job, you can afford the project with some extra hands. Not to mention, it’s the ultimate septic tank to use for any standard multistory structure.

The time-lapse video depiction is likely to maintain a faster pace, still managing to cover the task. Setting such a facility is somewhat expensive unless the size gets considerably large.

It’s one project you can’t accomplish the objective all by yourself within sufficient time. And the time requirement is high, letting you wait for days to allow the imposed items to dry.


A do-it-yourself septic tank is one definite cost-saving project for any interested DIYer. You just need to match the requirements with available options. Right there, you’re set to gather the necessary materials for the job.

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