Septic Tanks Overview
Types of Septic Tanks Shop Now

Single Compartment Septic Tanks
Simple tank for graywater or other non-drinking uses. No extra chamber needed.

Dual Compartment Septic Tanks
Two chamber design cleans waste better. Our top seller.

Aboveground Holding Tanks
Portable tanks for campsites, jobsites, or remote spots.

Septic Holding Tanks
Stores and pumps waste to drain fields. Ideal for cabins or occasional use.

Septic Accessories
Spare parts and add ons to keep your system running smoothly.

View All Tanks
Browse our full range of septic tanks to find the right one for you.
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.
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.
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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.

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

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

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

Compliance
Meets all state and local regulations so inspections go smoothly.

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.
Popular Products & Add-Ons
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.
Explore our tank models: Septic tank models.
Browse our accessories: Septic tank accessories.
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.