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septic tanks for sale, ribbed and spherical

Septic Tanks for Sale

Septic Tanks for All Your Need

If you're installing or replacing an onsite wastewater system, choosing the right septic tank is essential. At Tank Superstore, you can buy septic tanks that are state approved, durable, and built for long lasting performance.

We offer competitive septic tank prices on a wide variety of septic tank sizes, ranging from compact portable septic tanks for RVs and remote locations to large septic holding tanks for residential or commercial wastewater storage.

We also provide dependable septic accessories including risers for easy tank access, pumps for efficient wastewater management, and filtration systems to protect your drain field. At Tank Superstore, we are devoted to helping you achieve a lasting solution. Let us be the one you call when you need a reliable septic tank.


Septic Tanks Overview

Types of Septic Tanks Shop Now


Want to speak with a expert about which tank is right for your project? Contact us today for industry leading guidance.


Septic Tank Comparison

Choices, choices, choices…

Single or dual compartment? Certified locally or by state? Gravel backfill or clean install? One lid or two? You have options and codes to meet. We laid it all out so you are not stuck in the yard with your phone out, trying to Google burial depths and compliance while the inspector waits. Pick the holding tank for septic that checks the boxes and get it in the ground with confidence. Compare septic tank prices, dimensions, and sizes to find the perfect septic tank for your jobsite needs.

Feature Single Compartment Dual Compartment
Chambers 1 2 (baffle)
Certification IAPMO Z1000-2007 IAPMO Z1000-2007
Max Depth 24" 48"
Backfill Gravel required Not required
Access Single lid Dual lids (pump ready)
Traffic Light lawn only Light lawn only
Construction Ribbed poly shell Ribbed shell & pump fittings
Sizes 300–1500 Gallons 750–1500 Gallons

Septic Tank Calculator

Not sure what size septic tank you need? We make it simple. Just enter the number of bedrooms in the home or the daily flow in gallons. We will do the math for you and show you the recommended tank size right away. Instantly see the estimated septic system capacity for your application. From there, you can browse the products that match your needs and see the septic tank cost so you know the price before you buy. For any application over 1500 gallons, please contact our sales representatives for a solution.

Septic Tank Size Calculator
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GPD

Important: This is an estimate only. Always verify requirements with your local installer or authority having jurisdiction before purchasing. For applications requiring over 1500 gallons, please contact our sales representatives for a solution.


Contact Us Now!

Looking for more information? Or need some expert guidance? Look no further, we have got all the answers you need. Simply fill out a form and a trusted septic tank expert will be in touch with you as soon as possible.


Why Choose Tank Superstore?

We offer every type of septic tank for any type of application. Choose from single or dual compartment septic tanks, portable septic tank for RV or marine use, above ground holding tanks, septic holding tanks and a variety of septic tank accessories. Browse septic tank sizes and dimensions, and compare prices to find the right fit for you. Backed by over 20 years of expertise, let our variety of tanks, warranty, and compliance ready options be one of the many reasons you choose Tank Superstore for all your septic tank needs.

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Warranty

Solid coverage on every model gives you peace of mind and protection for your septic holding tank investment.

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Durability

Engineered with premium materials that stand up to heavy loads and harsh conditions.

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Installation

Designed for quick setup, save on labor and reduce septic system cost without sacrificing quality.

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Compliance

Meets all state and local regulations so inspections go smoothly.

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Experience

Two decades of expertise, expert guidance on types of septic tanks and septic system cost.

Not sure which tank is right for your project? Contact us today for expert guidance.


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Septic Tank FAQ

Got questions about septic tanks? We’ve got answers.

What is a septic holding tank and how does it work? What are current septic tank prices, and which type fits your budget and property best? We know you have questions, so we made it simple. No endless searching, no guesswork. Here, we break down the basics clearly, so you can pick the right tank, meet local codes, and get back to your project with confidence.

Septic Tank FAQ
What is a septic tank? +
A septic tank, is a one-piece polyethylene chamber that arrives pre-plumbed and ready to install. It holds your home’s wastewater long enough for solids to settle and oils to float before sending the clarified liquid on for natural soil filtration.
What is the difference between a septic tank and a septic holding tank? +
A standard septic tank treats and releases wastewater into a drainfield after solids settle and oils rise. A septic holding tank, by contrast, simply stores all wastewater until it is pumped out. It has no outlet for on site treatment, which makes it ideal in locations where a drainfield is not feasible.
How long do septic tanks last? +
When installed correctly and inspected every few years, these septic holding tanks typically remain reliable for 20 to 40 years, depending on the model, upkeep, and septic tank sizes.
How much does a septic tank cost? +
Septic tank pricesd generally range from a few hundred to a couple thousand dollars, depending on the septic tanks size and features. Accessories are normally under a hundred dollars. We offer financing options to fit different budgets and help manage your septic system cost. Call us now to discuss available plans, rates, and eligibility.

Explore our tank models: Septic tank models.
Browse our accessories: Septic tank accessories.
How does a septic tank work? +
Wastewater enters through an inlet pipe. Solids settle to the bottom as sludge and oils float to the top as scum. Natural bacteria break down organic matter. The clear liquid then flows out through an outlet pipe into a drainfield, where the soil completes the treatment. Proper outlet depths and septic tank dimensions ensure optimal flow.
How do I install a septic tank? +
For detailed, step‑by‑step installation and maintenance instructions, please refer to our comprehensive guide: Septic Tank Installation & Maintenance Guide .
How do I locate my septic tank? +
Start by checking your site plan or local health department records for its placement. You can also follow the sewer pipe from your home’s outlet and look for circular lids or patches of greener grass. Most tanks sit 10 to 25 feet from the house.
How often should a septic tank be pumped? +
The EPA recommends pumping every 3 to 5 years, though many homeowners choose a three‑year schedule to stay ahead of sludge buildup and protect the drainfield. For full care and maintenance details, see our Septic Tank Installation & Maintenance Guide .
Do you offer financing for septic tanks? +
We offer financing options to fit different budgets. Call 1-863-261-8388 to discuss available plans, rates, and eligibility.
Which septic tanks are approved for my state? +
These tanks meet IAPMO Z1000-2007 and CSA standards and are approved in nearly every U.S. state. We offer various types of septic tanks to suit local codes. See the State Approval section above for a full list.
What warranty is on the septic tanks? +
Every tank comes with a limited warranty on all septic tank sizes and models. Contact us for more details on what a warranty with us entails.

Disclaimer: Warranty is subject to terms, exclusions, and proof of purchase.

Got more questions or not sure which tank is right for your project? Contact us today for expert guidance.