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Heavy-Duty Tanks:

Built to Last

septic tank greenWhen your project demands extra strength and durability, turn to our heavy duty poly septic tanks. These tanks offer the same flexibility in capacity as our standard tanks but are built to withstand more demanding conditions.

Questions? We can help! Call us: 1-863-261-8388 or request a quote.

Discover our robust heavy-duty septic tank pricing at One Clarion.

Specifications 300 Gallon 500 Gallon 750 Gallon 1,000 Gallon 1,050 Gallon (Low Profile) 1,300 Gallon 1,500 Gallon
Length (in.) 55.75 88.50 90 99 133 112.25 133
Width (in.) 55.75 67 62 67 67 67 68
Height (in.) 51.50 44 55.63 63 55.75 70 68
Weight (lbs.) 180 235 300 500 500 660 675

Features of our Heavy-Duty Septic Tanks

Discover what sets our Heavy-Duty Tanks apart:

    750 gallon pump tank
  • Strength: Our commercial septic systems are engineered to handle challenging conditions, making them suitable for industrial and heavy-use applications. They are built to withstand the toughest environments and continue performing reliably.
  • Robust Construction: With thicker walls and enhanced materials, these tanks are built to last. You can trust them to endure harsh conditions, including high-traffic areas and heavy machinery.
  • Versatile Sizes: Choose from a variety of sizes to meet the specific demands of your project. Whether you need a compact tank for a small industrial site or a large one for a construction project, we have the right size for you.
  • Dependability: Count on our heavy duty septic tank installation to provide reliable wastewater storage in even the toughest environments. They are designed to handle large volumes of wastewater without compromising on safety or efficiency.


At One Clarion, we believe durability is key to a successful wastewater management system. Our heavy-duty septic tank construction exemplifies our commitment to providing the most robust and reliable solutions in the industry.

When you choose our heavy duty poly septic tanks, you're choosing a product that will serve you well for years to come with a durable and cost-effective heavy-duty septic tanks with One Clarion. Click here to view heavy-duty septic tank pricing. We understand that your project's success depends on the quality of our products, and we don't compromise on that quality.

Questions about our septic tanks? We can help! Call our sales team at 1-863-261-8388 or fill out our quote request form to discuss your requirements.

*Ask us about financing options!

Explore heavy-duty septic tank pricing options on our One Clarion website!

Our Heavy-Duty Tank Accessories

Enhance your Septic Pump Tank with a range of essential accessories. These additions ensure seamless operation and easy maintenance, giving you complete control over your wastewater management system. Explore our selection of accessories:

  • Access Lids: Secure and easy-to-use lids provide access for inspections and maintenance, keeping your septic tank functioning smoothly.
  • Access Risers: Convenient risers make it easy to access your tank even when it's buried deeper, simplifying inspection and maintenance tasks.
  • Safety Access: Safety matters. Invest in safety access solutions to prevent accidents and ensure peace of mind for your family or team.
  • Pump Vaults: If you have a pump system, our pump vaults are designed to work seamlessly with your 1000 Gallon Septic Tank, ensuring efficient wastewater management.
  • Tank Accessories: Browse our selection of tank accessories to find the perfect add-ons for your septic tank, tailored to your specific needs.

Explore these accessories to customize and optimize your wastewater management system, ensuring it meets your exact requirements.

injection molded lid

Access Lids

roto molded riser black

Acces Risers

safety grate

Safety Access

pump vault inside a pump tank

Septic Tank Vaults

gasket pack acessories

Tank Accessories

Questions? We can help! Call us at 1-863-261-8388 or request a quote.

Learn about the competitive pricing of our heavy-duty septic tanks at One Clarion.

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Standard Septic Tanks