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  • Heavy Duty - 1050 gal Septic Tank Single Compartment – 20" and 20" Lid – IAPMO Certified | AKS50700-HVY

AK IndustriesSKU OC372000200638

Heavy Duty - 1050 gal Septic Tank Single Compartment – 20" and 20" Lid – IAPMO Certified | AKS50700-HVY

MSRP:
Now: $1,604.00
(You save )

Heavy Duty - 1050 gal Septic Tank Single Compartment – 20" and 20" Lid – IAPMO Certified | AKS50700-HVY
Heavy Duty - 1050 gal Septic Tank Single Compartment – 20" and 20" Lid – IAPMO Certified | AKS50700-HVY
Heavy Duty - 1050 gal Septic Tank Single Compartment – 20" and 20" Lid – IAPMO Certified | AKS50700-HVY Heavy Duty - 1050 gal Septic Tank Single Compartment – 20" and 20" Lid – IAPMO Certified | AKS50700-HVY

! Images may be inaccurate. See specs below to ensure accuracy.

Specifications

Size

Capacity
1050 gal

Build

Ordering

Brand
AK Industries
SKU
OC372000200638
Made to order
Yes
Estimated lead time
10 days
Ships from
Indiana, 46563
Limit per order
1

Key specs

Capacity
1050 gal
All specifications
  • Estimated lead time: 10 daysMade to order, then ships
  • Ships from Indiana, 46563
  • Freight to your ZIPEstimate it below or at checkout
Add to your order (optional)

Limit 1 per order

Questions about sizing or delivery? Call (863) 261-8388Mon–Fri, 8am–5pm EST
  • Specifications
  • Description
  • More details
  • Shipping & delivery
  • Goes with this tank

All specifications

Size

Capacity
1050 gal

Build

Ordering

Brand
AK Industries
SKU
OC372000200638
Made to order
Yes
Estimated lead time
10 days
Ships from
Indiana, 46563
Limit per order
1

Description

1050 Gallon Heavy Duty Septic Tank Overview:

This Heavy Duty 1050-gallon septic/holding tank is IAPMO Certified and built from durable polyethylene for long-term wastewater containment. It features a single-compartment design with a 20" access opening and 20" lid for easy service and pumping access, making it a reliable choice for compliant installs where a large-capacity holding solution is required.

PLEASE NOTE: the image shown is for size reference only and provides an approximate visual scale comparing a septic tank to a person.

SEPTIC TANK FEATURES

  • High-Quality Raw Material: Crafted from top-tier materials, this septic tank ensures longevity and reliability, providing you with a resilient solution for years to come.

  • Exceptional Design: The tank's design incorporates innovative engineering, guaranteeing efficient wastewater processing and minimal maintenance requirements.

  • One-Piece System: This septic tank is a seamless, one-piece system, meaning no leaks, no weak joints, and a lifespan that outlasts traditional alternatives.

  • State-Approved: This septic tank is approved in nearly every state, ensuring compliance with local regulations and peace of mind for homeowners and contractors.

  • IAPMO Certified: This septic tank proudly carries the IAPMO (International Association of Plumbing and Mechanical Officials) certification, underscoring its exceptional quality and adherence to industry standards.

  • CSA Approvals: In addition to IAPMO certification, this septic tank also boasts CSA (Canadian Standards Association) approvals, further attesting to its excellence.

Why Choose this 1050 Gallon Septic Tank:

Choose this Heavy Duty 1050-gallon septic/holding tank when you need a large-capacity, code-friendly solution backed by IAPMO certification for permitting and inspection confidence. Its durable polyethylene construction is built for long-term wastewater containment, while the single-compartment design keeps installation straightforward for holding applications. A 20" access opening with a 20" lid makes pumping and service access easier over the life of the system, and it’s supported by a Limited Lifetime Warranty for added peace of mind.

Septic Tank Frequently Asked Questions:

Q: Is this a septic tank or a holding tank?
A: This model is a single-compartment polyethylene holding tank with a 1050-gallon capacity, typically used for wastewater storage (often pump-and-haul) rather than multi-stage onsite treatment.

Q: What does “IAPMO Certified” mean for permitting and inspection?
A: IAPMO certification indicates the tank has been evaluated to a recognized standard, which generally supports permit submittals, inspector acceptance, and specification compliance.

Q: What are the exact dimensions, and how much space do I need?
A: The tank measures 133" (L) x 67" (W) x 55.75" (H). Plan additional room for excavation clearance, bedding material, plumbing connections, and placement access.

Q: How heavy is it—do I need equipment to set it?
A: The tank weighs 500 lb. Most installations use equipment (such as a loader or forks) to place it safely and accurately.

Q: What warranty comes with it?
A: It includes a Limited Lifetime Warranty. Coverage details depend on the manufacturer’s terms and typically assume proper installation and use.

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: 2 × 20" x 12" Septic Tank Riser (AKS11300), 2 × 20" Heavy Duty Septic Tank Cover (AKS11000)
  • 12" Riser & Cover Kit + Effluent Filter: 2 × 20" x 12" Septic Tank Riser (AKS11300), 2 × 20" Heavy Duty Septic Tank Cover (AKS11000), 1 × Septic Tank Effluent Filter (AKR80265)
  • 24" Riser & Cover Kit: 4 × 20" x 12" Septic Tank Riser (AKS11300), 2 × 20" Heavy Duty Septic Tank Cover (AKS11000)
  • 24" Riser & Cover Kit + Effluent Filter: 4 × 20" x 12" Septic Tank Riser (AKS11300), 2 × 20" Heavy Duty Septic Tank Cover (AKS11000), 1 × Septic Tank Effluent Filter (AKR80265)
  • 36" Riser & Cover Kit: 6 × 20" x 12" Septic Tank Riser (AKS11300), 2 × 20" Heavy Duty Septic Tank Cover (AKS11000)
  • 36" Riser & Cover Kit + Effluent Filter: 6 × 20" x 12" Septic Tank Riser (AKS11300), 2 × 20" Heavy Duty Septic Tank Cover (AKS11000), 1 × Septic Tank Effluent Filter (AKR80265)
  • 48" Riser & Cover Kit: 8 × 20" x 12" Septic Tank Riser (AKS11300), 2 × 20" Heavy Duty Septic Tank Cover (AKS11000)
  • 48" Riser & Cover Kit + Effluent Filter: 8 × 20" x 12" Septic Tank Riser (AKS11300), 2 × 20" Heavy Duty Septic Tank Cover (AKS11000), 1 × Septic Tank Effluent Filter (AKR80265)

Filter kits add one Septic Tank Effluent Filter (AKR80265).

Distribution Box Options

Choose a distribution box from the dropdown above to split the tank outlet across your drainfield laterals.

  • 7-Hole Distribution Box: 1 × Tuf-Tite 7-Hole Distribution Box (AKS10898)
  • 9-Hole Distribution Box: 1 × Tuf-Tite 9-Hole Distribution Box (AKS10900)

Drainfield Chamber Runs

Choose a chamber bundle from the dropdown above. Every 10 chambers and 2 end caps make one capped run; pick the number of runs your permit calls for. Extra chambers and end caps can be added by the piece from the related products below.

  • 10 Chambers + 2 End Caps: 10 × 36" Septic Tank Chamber System (PRO36C), 2 × 36" Septic Chamber End Cap (PRO36E-B)
  • 20 Chambers + 4 End Caps: 20 × 36" Septic Tank Chamber System (PRO36C), 4 × 36" Septic Chamber End Cap (PRO36E-B)
  • 30 Chambers + 6 End Caps: 30 × 36" Septic Tank Chamber System (PRO36C), 6 × 36" Septic Chamber End Cap (PRO36E-B)
  • 40 Chambers + 8 End Caps: 40 × 36" Septic Tank Chamber System (PRO36C), 8 × 36" Septic Chamber End Cap (PRO36E-B)

View Septic Tank Installation Manual (PDF)

More details

KEY SPECIFICATIONS

  • Capacity: 1050 Gallons
  • Product Width: 67"
  • Product Height: 55.75"
  • Product Length: 133"
  • Material: Polyethylene
  • Product Type: Holding Tank
  • Product Weight: 500lb.
  • Warranty: Limited Lifetime

Technical Drawings & Guides

Technical Drawing: View Septic Tank Drawing

Standard vs Heavy Duty Septic Tanks

Feature Standard Heavy Duty
Certification IAPMO Z1000-2007 IAPMO Z1000-2007
Max Depth 24" 48"
Traffic Light lawn Light lawn
Backfill Gravel Native soil
Lids Green lids Green lids
Dual Option Available Available

Freight Delivery Expectations

  • Curbside delivery: Delivered to curb/end of driveway.
  • Delivery appointment: Carrier schedules a delivery window.
  • Offloading: The customer is responsible for the offloading of all shipments. You must ensure you have the required equipment to offload before scheduling a delivery.

Important Freight Notice: Products not listed as an available option for your state in the dropdown menu may require additional freight charges. If you do not see a product or configuration listed for your state, please contact us to confirm availability and obtain an accurate freight quote before placing your order.

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

  • 36" Septic Tank Chamber System

    $64.87

    Choose options: 36" Septic Tank Chamber System
  • 36" Septic Chamber End Cap

    $35.67

    Add to Cart: 36" Septic Chamber End Cap
  • 20" Heavy Duty Septic Tank Cover | AKS11000

    $73.47

    Add to Cart: 20" Heavy Duty Septic Tank Cover | AKS11000
  • 20" x 12" Septic Tank Riser | AKS11300

    $63.06

    Add to Cart: 20" x 12" Septic Tank Riser | AKS11300
  • Septic Tank Effluent Filter | AKR80265

    $91.35

    Add to Cart: Septic Tank Effluent Filter | AKR80265
  • Septic Tank Lid, Riser Pan Safety | AKR100110

    $96.17

    Add to Cart: Septic Tank Lid, Riser Pan Safety | AKR100110
  • Tuf-Tite 7-Hole Distribution Box | AKS10898

    $97.96

    Add to Cart: Tuf-Tite 7-Hole Distribution Box | AKS10898
  • Tuf-Tite 9-Hole Distribution Box | AKS10900

    $121.18

    Add to Cart: Tuf-Tite 9-Hole Distribution Box | AKS10900

Not sure this is the right tank?

A tank specialist can check sizing, fittings and delivery to your site. Mon–Fri, 8am–5pm EST.

Call (863) 261-8388

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

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