AK IndustriesSKU OC372000020638
Heavy Duty - 300 gal Septic Holding Tank Single Compartment – 20" Lid – IAPMO Certified | AKS30000-HVY
Images may be inaccurate. See specs below to ensure accuracy.
Specifications
Size
- Capacity
- 300 gal
Build
Ordering
- Brand
- AK Industries
- SKU
- OC372000020638
- Made to order
- Yes
- Estimated lead time
- 10 days
- Ships from
- Indiana, 46563
- Limit per order
- 1
Key specs
- Capacity
- 300 gal
- Estimated lead time: 10 daysMade to order, then ships
- Ships from Indiana, 46563
- Freight to your ZIPEstimate it below or at checkout
Limit 1 per order
All specifications
Size
- Capacity
- 300 gal
Build
Ordering
- Brand
- AK Industries
- SKU
- OC372000020638
- Made to order
- Yes
- Estimated lead time
- 10 days
- Ships from
- Indiana, 46563
- Limit per order
- 1
Description
300 Gallon Heavy Duty Septic Holding Tank Overview:
This 300 gallon septic holding tank utilizes a single-compartment design that is ideal for both residential and commercial wastewater treatment systems. The septic holding tank is made from high-quality polyethylene. Our polyethylene is custom engineered to handle the demanding nature of wastewater and solid effluent management. This ensures dependable, long-term performance leaving you with peace of mind. For fast installation and certified by IAPMO and CSA, this septic holding tank system solution meets stringent industry standards so you can be sure it'll work for you.
Key Features and Benefits:
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Durable Polyethylene Construction: The 300-gallon septic holding tank is made from rotationally molded premium-grade polyethylene leaving you with a product that has no seams. Because our products are so durable, we offer the only limited-lifetime warranty on the market for our septic holding tanks.
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Lightweight Construction: The septic holding tank's self-supporting polyethylene construction makes it lightweight. This allows us to secure you a better shipping rate saving you money!
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Easy Installation: Arrives ready for quick setup. This makes it easy to add this septic holding tank to any wastewater treatment system with minimal fuss.
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IAPMO & CSA Certified for Peace of Mind: Certified by the International Association of Plumbing and Mechanical Officials (IAPMO) and approved by the Canadian Standards Association (CSA), this septic tank meets rigorous quality and safety standards. It’s approved for use in nearly all U.S. states, ensuring near-total compliance with local regulations.
**This Septic Holding Tank Does Not Need Effluent Filter**
Why Choose This 300 Gallon Septic Holding Tank?
This tank is both sturdy and reliable. Whether you're setting up a new septic system or upgrading an existing one, this tank's heavy-duty design ensures years of effective service. Designed to handle both residential and commercial needs, it offers a dependable, watertight solution for homeowners, contractors, and wastewater treatment professionals alike. Order today to get the best septic holding tank on the market!
Riser & Cover Kit Contents
Choose a kit from the dropdown above. Risers stack to reach burial depth; 10" risers are cut to length.
- 12" Riser & Cover Kit: 1 × 20" x 12" Septic Tank Riser (AKS11300), 1 × 20" Heavy Duty Septic Tank Cover (AKS11000)
- 24" Riser & Cover Kit: 2 × 20" x 12" Septic Tank Riser (AKS11300), 1 × 20" Heavy Duty Septic Tank Cover (AKS11000)
- 36" Riser & Cover Kit: 3 × 20" x 12" Septic Tank Riser (AKS11300), 1 × 20" Heavy Duty Septic Tank Cover (AKS11000)
- 48" Riser & Cover Kit: 4 × 20" x 12" Septic Tank Riser (AKS11300), 1 × 20" Heavy Duty Septic Tank Cover (AKS11000)
More details
KEY SPECIFICATIONS
- Capacity: 300 Gallons
- Product Width: 55.75"
- Product Height: 51.5"
- Product Length: 55.75"
- Material: Polyethylene
- Product Type: Septic Holding Tank
- Product Weight: 180lb.
- Warranty: Limited Lifetime
Custom and Made to Order products are not returnable
Shipping & delivery
- Ships from
- Indiana, 46563
- Estimated lead time
- 10 days. Lead times are estimates and can change.
- Made to order
- Built after you order, then shipped
- Freight cost
- Enter your ZIP above for an estimate, or see the rates at checkout.
- Questions
- Call (863) 261-8388, Mon–Fri, 8am–5pm EST
Goes with this tank
Not sure this is the right tank?
A tank specialist can check sizing, fittings and delivery to your site. Mon–Fri, 8am–5pm EST.
Why buy from Water Storage Tank
American-owned
Trusted since 2008
Net terms
For business and municipal buyers
Project-managed delivery
Freight coordinated to your site
Real-time support
Mon–Fri, 8am–5pm EST
1515 US 1, Sebastian, FL 32958(863) 261-8388


