Heavy-Duty Black Water Septic Holding Tanks (600L to 2500L)
ST60L
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$259.95
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Heavy-Duty Black Water Septic Holding Tanks (600L to 2500L)
Ditch the fragile, thin-walled wastewater containers that crack under ground pressure. These heavy-duty black water septic holding tanks are engineered for serious commercial and agricultural applications, providing rugged, long-lasting waste containment for remote job sites, off-grid homesteads, and rural RV parks lacking municipal sewage access. Constructed with impact-resistant reinforced walls ranging up to 7.0 mm (0.28") thick, these tanks safely contain raw sewage, chemical fertilizers, and harvested rainwater without leaking or degrading. Shipped compact for easy freight transport, we stock these commercial-grade septic systems at wholesale prices to ensure you get real value for the dollar on your heavy infrastructure projects.
Key Features:
- Heavy-Duty Reinforced Walls: Built with ultra-thick walls (up to 7.0 mm (0.28")) that easily withstand heavy ground pressure, extreme weather, and chemical exposure without buckling.
- Chemical & Weather Resistant: The industrial-grade black composite safely stores caustic black water sewage, agricultural fertilizers, and rainwater while blocking algae growth.
- Expandable Height System: Optional heightened barrels can be bolted onto the top ports to increase vertical capacity while maintaining the original tank footprint.
- Multiple Capacity Options: Ranging from a compact 600 L (158.5 Gal) system for remote cabins up to a massive 2500 L (660.4 Gal) tank for high-volume commercial waste containment.
Detailed Technical Specifications:
| Capacity Model | Dimensions & Physical Details |
| 600 L (158.5 Gal) Septic Tank | |
| Wall Thickness | 3.0 mm (0.12") |
| 1000 L (264.2 Gal) Septic Tank | |
| Dimensions (L x W x H) | 172.0 cm x 96.0 cm x 92.2 cm (67.7" x 37.8" x 36.3") |
| Wall Thickness | 5.0 mm (0.2") |
| Dry Weight | 48.1 kg (106 lbs) |
| 1500 L (396.3 Gal) Septic Tank | |
| Dimensions (L x W x H) | 200.9 cm x 108.2 cm x 103.6 cm (79.1" x 42.6" x 40.8") |
| Wall Thickness | 7.0 mm (0.28") |
| Dry Weight | 58.1 kg (128 lbs) |
| 2000 L (528.3 Gal) Septic Tank | |
| Wall Thickness | 7.0 mm (0.28") |
| 2500 L (660.4 Gal) Septic Tank | |
| Dimensions (L x W x H) | 275.1 cm x 120.9 cm x 116.6 cm (108.3" x 47.6" x 45.9") |
| Wall Thickness | 7.0 mm (0.28") |
| Dry Weight | 128.8 kg (284 lbs) |
| Heightened Barrel Add-On (General) | |
| Dimensions | 25.4 cm Height x 30.5 cm Diameter (10" H x 12" Dia) |
Available Tank Models & SKUs:
| SKU | Capacity | Wall Thickness |
| ST60L | 600 L (158.5 Gal) | 3.0 mm (0.12") |
| ST100L | 1000 L (264.2 Gal) | 5.0 mm (0.2") |
| ST150L | 1500 L (396.3 Gal) | 7.0 mm (0.28") |
| ST200L | 2000 L (528.3 Gal) | 7.0 mm (0.28") |
| ST250L | 2500 L (660.4 Gal) | 7.0 mm (0.28") |
Available Heightened Barrel Accessories:
| SKU | Item Description |
| 2025316 | 2-Port Heightened Barrel for 600L Tank |
| 2025113 | 2-Port Heightened Barrel for 1000L Tank |
| 2025315 | 3-Port Heightened Barrel for 1500L Tank |
| 2025314 | 3-Port Heightened Barrel for 2500L Tank |
Optional Add-On: Professional Assembly Service
Perfect For:
- Off-grid homesteads, remote cabins, and rural RV parks
- Containing heavy volumes of wastewater at commercial construction sites
- Agricultural storage for liquid fertilizers and rainwater harvesting
- Anyone needing a rugged, high-capacity underground holding tank at budget-friendly prices
Care Instructions
Care Instructions
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