Finding the best wastewater tanks for food trucks involves balancing capacity, portability, and durability. The Class A Customs 40 Gallon RV Waste Black Water Holding Tank stands out for its large capacity, ideal for high-volume operations, while the Camco Rhino 21-Gallon RV Portable Waste Tank offers exceptional portability with rugged wheels for quick emptying. Buyers often face tradeoffs between tank size and ease of transport, especially in tight food truck spaces. Continue reading for a full breakdown of the top options and what makes each a smart pick for different needs.
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Key Takeaways
- Capacity varies widely, with larger tanks suitable for high-volume food trucks, but they can be more cumbersome to handle.
- Portability features like heavy-duty wheels are critical for quick and clean waste disposal on the go.
- Material durability and tank design influence longevity, especially in outdoor environments.
- Combo packs with fresh and gray water tanks can streamline setup but may limit customization.
- Choosing the right size depends on your daily waste production and available space—bigger isn’t always better if mobility is a concern.
More Details on Our Top Picks
29 Gallon RV Fresh Water Tank, Potable Water Storage Tank for Drinking, Cooking, Cleaning, Showering, for Campers, Trailers, Motorhomes, RVs, Cube Shape, 32″ x 16″ x 14″ (WT-5077)
This 29-gallon cube-shaped tank stands out for its durable BPA-Free construction and flexible installation options, making it a reliable choice for food trucks needing a versatile water source. Compared with the larger 40-gallon Class A Customs tank, this model is more manageable in tight spaces, though it offers slightly less capacity. Its impact-resistant plastic and impact-resistant plastics help ensure longevity, and the built-in fittings simplify installation. However, its load weight can make it cumbersome to move once filled, and it does not include hardware or fittings. This tank suits food truck operators who prioritize quality, ease of installation, and moderate capacity. Pros: BPA-Free, durable impact-resistant plastics, flexible fitting options, US-made. Cons: Heavy when full, hardware not included, not pressurized rated.
Pros:- BPA-Free, ensuring safe drinking water
- Impact-resistant, durable plastic construction
- Multiple fitting options for flexible installation
- Made in the USA with quality standards
Cons:- Heavy when filled, difficult to move
- Hardware, piping, and fittings not included
- Tank does not support pressurization
Best for: Food truck owners needing a durable, easy-to-install potable water tank with manageable size.
Not ideal for: Small food trucks with very limited space or operators needing a lightweight, portable water tank.
- Capacity:29 gallons
- Dimensions:32 x 16 x 14 inches
- Material:BPA-Free impact-resistant plastics
- Weight:17.51 pounds
- Made in:USA
- Impact Resistance:Yes
Bottom line: This tank makes the most sense for food trucks that need a reliable, high-quality potable water source with moderate capacity and flexible installation options.
Class A Customs 40 Gallon RV Waste Black Water Holding Tank WT-4000
This 40-gallon black water tank is designed solely for waste use, with a sturdy MDPE construction and a fixed 3″ outlet, making it ideal for larger food trucks or mobile kitchens with higher waste output. Compared to smaller tanks like the 25-gallon class, it offers significantly more capacity, reducing the frequency of dumpings. Its seamless construction minimizes the risk of leaks, and it’s engineered for heavy-duty use, but the fixed outlet and lack of included fittings mean installation customization is essential. It should be used only for waste, not potable water, and requires venting for proper operation. This tank suits operators who prioritize capacity and durability for waste management in larger food trucks. Pros: Large 40-gallon capacity, seamless construction, made in the USA, heavy-duty MDPE resin. Cons: Fixed outlet limits flexibility, hardware not included, not suitable for fresh water use.
Pros:- High 40-gallon capacity for less frequent dumping
- Seamless, impact-resistant MDPE construction
- Made in the USA with durable materials
- Designed specifically for waste containment
Cons:- Fixed outlet limits placement options
- Hardware and fittings not included, requiring additional purchase
- Not for fresh or potable water use
Best for: Food trucks or concession trailers with high waste production needing dependable waste containment.
Not ideal for: Small food trucks or operators needing a portable or multi-purpose tank that doubles for fresh water.
- Capacity:40 gallons
- Material:MDPE Polyethylene
- Dimensions:unspecified
- Made in:USA
- Outlet:3-inch fixed ABS pipe
- Design:Seamless
Bottom line: This tank is best suited for larger food trucks that need a dependable, high-capacity waste holding solution with durable construction.
Camco Rhino 21-Gallon RV Portable Waste Tank – Features Large Heavy-Duty No-Flat Wheels & Low Drain Hole – Includes Removable Steel Tow Adapter, 3’ Sewer Hose & More RV Accessories (39002)
The Camco Rhino 21-gallon portable waste tank excels in mobility, thanks to its no-flat wheels, oversized handle, and steel tow adapter, making it ideal for food trucks that need to easily transport waste to dump stations. It compares favorably with larger stationary tanks like the 40-gallon Class A Customs tank, offering great portability but less capacity. Its UV-stabilized HDPE construction withstands outdoor conditions, and the included sewer hose and accessories enhance convenience. However, its smaller size means more frequent dumps, and it’s primarily designed for waste, not potable water. This model is perfect for operators who prioritize ease of transport and quick cleanup. While not suitable for continuous large-volume waste, it is ideal for mobile or off-grid scenarios. Pros: Portable with large wheels, UV-stabilized durable plastic, includes sewer hose and accessories, steel tow adapter. Cons: Smaller capacity (21 gallons), only for waste, not for potable water.
Pros:- Large 21-gallon capacity with portable design
- Heavy-duty no-flat wheels for any terrain
- Includes sewer hose, accessories, and steel tow adapter
- Made in the USA with UV-stabilized HDPE
Cons:- Limited capacity necessitates more frequent dumping
- Not suitable for fresh or potable water
- Designed primarily for waste transport and disposal
Best for: Food trucks requiring a highly portable waste tank for easy transport and quick disposal.
Not ideal for: Food trucks with high waste output needing large, stationary waste containment systems.
- Capacity:21 gallons
- Material:UV-stabilized HDPE
- Dimensions:20 1/8 x 12 1/2 x 40 inches
- Weight:34.5 pounds
- Includes:Sewer hose, tow adapter, accessories
- Made in:USA
Bottom line: This tank is perfect for mobile food trucks that need a reliable, portable waste solution with easy transport features.
classAcustoms WT-2525 3″ Black Water RV Waste Holding Tank 25 Gallon Concession and Camper Waste Black Gray Tank
This 25-gallon black water tank offers a compact, impact-resistant solution suitable for small food trucks or concession trailers where space is limited. Compared with larger tanks like the 40-gallon Class A Customs model, it’s easier to maneuver and install in tight quarters, but it sacrifices capacity for size. Its seamless construction and impact-resistant polyethylene ensure durability, but since hardware and fittings are not included, customization is necessary. It is designed specifically for waste, not potable water, and requires venting for proper operation. This tank is ideal for operators needing a smaller footprint without compromising on quality. It’s a solid choice for compact setups where space and durability are priorities. Pros: Compact size, impact-resistant polyethylene, seamless construction, impact-resistant design. Cons: Smaller capacity, hardware not included, only for waste use.
Pros:- Compact 25-gallon size fits small spaces
- Impact-resistant polyethylene construction
- Seamless, durable design
- Impact-resistant, suitable for outdoor use
Cons:- Limited capacity for larger waste output
- Hardware and fittings not included, requiring additional parts
- Designed only for waste, not for fresh water
Best for: Small food trucks or concession setups with limited space needing reliable waste containment.
Not ideal for: Food trucks requiring larger capacity or dual-purpose potable and waste tanks.
- Capacity:25 gallons
- Material:Polyethylene
- Dimensions:unspecified
- Impact Resistance:Yes
- Made in: unspecified
- Design:Seamless
Bottom line: This tank is a great option for small food trucks or trailers that need a durable, space-saving waste containment solution.
RecPro Fresh and Gray Water Holding Tank | Combo Pack | Concession/Food Truck Holding Tank (10 & 16 Gallon)
This combination pack includes 10- and 16-gallon tanks made from BPA-Free polyethylene, offering a total of 26 gallons of fresh and gray water capacity, making it a flexible choice for food trucks that need both potable and gray water storage. Compared with single larger tanks, this bundle provides modular options for smaller spaces and different water types. Its high-quality, pressure-tested construction ensures durability, but the smaller individual capacities mean more frequent refills and emptying. The tanks are suitable for food-grade use, but hardware and fittings are sold separately, and the size may be less suitable for trucks with high water demands. This pack is ideal for operators who need dual water systems with moderate capacity and flexibility. Pros: BPA-Free, pressure tested, dual capacity, high-quality construction. Cons: Smaller individual tanks, hardware not included, more frequent refills needed.
Pros:- BPA-Free, safe for drinking water
- Includes both 10- and 16-gallon tanks for flexibility
- Pressure-tested for durability
- Made in the USA
Cons:- Relatively small individual tank capacities
- Hardware and fittings not included
- More frequent refilling and emptying
Best for: Food trucks or concession trailers needing separate, reliable storage for fresh and gray water with flexible modular tanks.
Not ideal for: High-capacity operations or trucks with continuous water demands requiring larger tanks.
- Total Capacity:26 gallons
- Material:BPA-Free polyethylene
- Includes:10 and 16-gallon tanks
- Designed for:Fresh and gray water
- Made in:USA
- Pressure Tested:Yes
Bottom line: This combo pack offers a practical dual-water solution for food trucks seeking moderate capacity and modularity.
RecPro Fresh and Gray Water Holding Tank | Combo Pack | Concession/Food Truck Holding Tank (16 & 21 Gallon)
This duo offers a practical mix of capacities—16 and 21 gallons—that fit well in tight food truck spaces, providing flexibility for both fresh and gray water. Compared with the larger 30 and 42-gallon combo, this set is easier to install and manage, especially for smaller trucks. Its high-grade polyethylene construction resists rust and corrosion, extending its lifespan in outdoor environments. The reinforced ⅛-inch walls withstand road vibrations, making it reliable on the move. The compact yet spacious design simplifies installation in confined areas, while plumbing-ready features ensure straightforward integration with standard RV plumbing. However, the smaller capacity means more frequent emptying—less ideal for high-volume operations—and its weight and size may still pose challenges for very tight spaces. Overall, this set makes the most sense for small to medium-sized food trucks seeking a durable, easy-to-install wastewater solution without sacrificing capacity.
Pros:- Versatile capacity options for fresh and gray water
- Heavy-duty polyethylene resists rust and corrosion
- Reinforced ⅛-inch thick walls withstand road vibrations
- Compact yet spacious design for tight spaces
Cons:- Limited capacity requires frequent emptying for high-volume use
- Size may still be challenging in extremely tight truck layouts
Best for: Food truck operators with limited space who need reliable, corrosion-resistant tanks for daily use.
Not ideal for: Large-scale food trucks or those requiring extended periods without dumping, due to limited capacity.
- Capacity:16 & 21 gallons
- Material:Heavy-duty polyethylene
- Dimensions:24″ L x 10″ W x 15.5″ H (16-gallon); 39″ L x 8″ W x 16″ H (21-gallon)
- Wall Thickness:⅛ inch
- Inlet Size:2 inches
- Outlet Size:⅞ inch internal diameter
- Made in:USA
Bottom line: This combo pack suits small to medium food trucks prioritizing durability and installation ease over maximum capacity.
RecPro Fresh and Gray Water Holding Tank | Combo Pack | Concession/Food Truck Holding Tank (30 & 42 Gallon)
This set offers significantly larger capacities—30 and 42 gallons—making it ideal for busy food trucks or off-grid operations. Unlike the smaller 16/21-gallon set, these tanks reduce the frequency of emptying, which can save time during busy service hours. Constructed with ⅛-inch thick walls, they resist cracking, rust, and corrosion, ensuring long-lasting performance on the road. The pre-fitted fittings for ⅞ inch inlet, ½ inch outlet, and 2-inch inlet simplify installation with standard RV plumbing. While their size provides more capacity, it also means increased weight and space requirements—potentially challenging in smaller trucks. They are a perfect fit for larger food trucks or those with dedicated storage areas needing dependable, high-capacity tanks for consistent operation.
Pros:- Large capacities reduce frequent emptying
- Corrosion-resistant ⅛-inch thick walls
- Pre-fitted fittings for easy installation
- Reliable, durable construction for mobile use
Cons:- Size and weight may be difficult for compact trucks
- Higher initial cost compared to smaller tanks
Best for: Operators of larger food trucks or off-grid setups that need extended water capacity with minimal maintenance.
Not ideal for: Small food trucks with limited space or those on a tight budget, due to larger size and weight.
- Capacity:30 & 42 gallons
- Material:Weather-resistant impact plastics
- Dimensions:34″ L x 12″ W x 17.5″ H (30-gallon); 39″ L x 14″ W x 18″ H (42-gallon)
- Wall Thickness:⅛ inch
- Inlet Size:⅞ inch
- Outlet Size:½ inch
- Made in:USA
Bottom line: This set is best for large or high-traffic food trucks needing ample, durable water storage with less downtime.
19 Gallon RV Fresh Water Tank, Potable Water Storage Tank for Drinking, Cooking, Cleaning, Showering, for Campers, Trailers, Motorhomes, RVs, Cube Shape, 30″ x 16″ x 10″ (WT-5450)
This 19-gallon tank offers a compact, cube-shaped design that fits well in tight food truck or RV spaces, with dimensions of 30″ x 16″ x 10″. Made in the USA from BPA-Free, impact-resistant plastics, it ensures safe, clean water for drinking, cooking, and cleaning. Its built-in fittings for multiple installation options simplify setup, while its durable construction withstands outdoor conditions. Compared to larger tanks like the 36 or 57-gallon options, this size is ideal for trucks with limited room or for operators who prefer easier handling and less weight. The main tradeoff is the smaller capacity, which may require more frequent refilling in high-volume scenarios. Still, it provides a reliable, high-quality potable water solution for space-constrained food trucks.
Pros:- Compact, cube-shaped design fits tight spaces
- Made in USA from BPA-Free, impact-resistant plastics
- Multiple installation options with built-in fittings
- Reliable, leak-proof construction
Cons:- Limited capacity requires frequent refilling
- Not suitable for high-volume or long-duration use
Best for: Small food trucks or food trailers seeking a portable, space-efficient potable water tank.
Not ideal for: High-volume operations or large-scale food trucks that need extended water capacity without frequent refills.
- Capacity:19 gallons
- Material:BPA-Free impact-resistant plastics
- Dimensions:30″ x 16″ x 10″
- Shape:Cube
- Made in:USA
- Fittings:Two 1.5″ balloon style, two 0.5″ threaded
Bottom line: This tank is perfect for space-limited food trucks that need a dependable, high-quality potable water source without excess bulk.
57 Gallon RV Fresh Water Tank, Potable Water Storage Tank for Drinking, Cooking, Cleaning, Showering, for Campers, Trailers, Motorhomes, RVs, Cube Shape, 43″ x 25″ x 13″ (WT-5553)
This 57-gallon tank is designed for large RVs, food trucks, or off-grid setups where extended water supply is essential. Its dimensions—43″ x 25″ x 13″—maximize capacity while maintaining a manageable cube shape. Constructed from BPA-Free, impact-resistant plastics, it ensures safe, durable storage for drinking and sanitation needs. Its fittings are compatible with standard RV plumbing, simplifying installation. Compared with smaller tanks, this model reduces the frequency of refilling, saving time during busy operations. Its larger size, however, demands significant space and adds weight—factors to consider for small or space-constrained trucks. It’s an ideal choice for operators who prioritize long-term reliability and minimal maintenance over compactness.
Pros:- Extensive 57-gallon capacity for long operation periods
- Made from durable, impact-resistant BPA-Free plastics
- Standard fittings for easy installation
- Reduces need for frequent refills
Cons:- Requires significant space and mounting area
- Heavier and bulkier, harder to handle in tight spaces
Best for: Large food trucks or off-grid operators needing extensive, reliable water storage for long shifts.
Not ideal for: Small or space-limited trucks where size and weight could hinder mobility or installation.
- Capacity:57 gallons
- Material:Impact-resistant BPA-Free plastics
- Dimensions:43″ x 25″ x 13″
- Shape:Cube
- Fittings:Two 1.5″ balloon, two 0.5″ threaded
- Made in:USA
Bottom line: This tank excels for high-capacity needs, offering extended use with reliable construction, suited for large trucks or off-grid setups.
36 Gallon RV Fresh Water Tank, Potable Water Storage Tank for Drinking, Cooking, Cleaning, Showering, for Campers, Trailers, Motorhomes, RVs, Cube Shape, 37″ x 16″ x 15″ (WT-5549)
This 36-gallon tank offers a balanced size—37″ x 16″ x 15″—that fits in many food trucks while providing ample storage. Constructed from BPA-Free, impact-resistant plastics, it ensures safe, hygienic water for various needs. Its multiple fitting options allow flexible installation, and the durable build withstands outdoor conditions. Compared to smaller tanks, it offers more capacity for busy days, but it still remains manageable in medium-sized trucks. Its size and weight are easier to handle than larger models, making it a versatile choice for operators who want a reliable balance of capacity and portability. The main limitation is that it may need more frequent refills than larger tanks, but it’s a solid choice for most mid-sized food trucks seeking durability and flexibility.
Pros:- Balanced capacity for medium-volume use
- Made from BPA-Free impact-resistant plastics
- Multiple fitting options for flexible installation
- Reliable, leak-proof construction
Cons:- Capacity may still require refilling during busy days
- Size may be too large for extremely tight spaces
Best for: Food trucks or trailers that need a middle-ground capacity with good portability and installation flexibility.
Not ideal for: Very small trucks or those with space constraints that cannot accommodate the size comfortably.
- Capacity:36 gallons
- Material:BPA-Free impact-resistant plastics
- Dimensions:37″ x 16″ x 15″
- Shape:Cube
- Fittings:Two 1.5″ balloon, two 0.5″ threaded
- Made in:USA
Bottom line: This tank is a flexible, mid-size option for food trucks needing reliable water storage without excessive bulk.
How We Picked
I evaluated these wastewater tanks based on capacity, portability, build quality, ease of maintenance, and overall value. Priority was given to tanks that balance size with maneuverability, especially for food trucks that need quick turnaround times. Durability of materials and accessories like wheels and fittings also played a key role. The ranking reflects a combination of user flexibility, product reliability, and cost-effectiveness, ensuring each pick serves a specific type of buyer—from small startups to high-volume operators.Factors to Consider When Choosing Best Wastewater Tanks For Food Trucks
When selecting the best wastewater tank for a food truck, several factors come into play. Understanding these can help avoid common pitfalls like overestimating capacity needs or choosing tanks that are too cumbersome to handle regularly. A well-chosen tank enhances operational efficiency and reduces downtime, making your waste management smoother and more compliant with health standards.Capacity and Size
Capacity directly impacts how often you need to empty the tank, but larger tanks can be heavier and more difficult to move. For smaller trucks or low-volume operations, a compact tank might save space and weight, while high-volume outlets benefit from larger models to minimize emptying frequency. Consider your daily waste production and available space to find a balance that works for your workflow.
Portability and Mobility
Features like heavy-duty wheels, handles, and lightweight materials make a significant difference in daily handling. Tanks with large, flat wheels handle uneven surfaces better, especially when moving across parking lots or uneven terrain. Avoid tanks that are overly heavy or lack maneuverable features if quick disposal is a priority, as this can cause delays and frustration during busy service hours.
Material Durability and Construction
High-quality plastics resistant to UV rays and chemicals extend the lifespan of your tank, particularly in outdoor settings. Look for tanks with reinforced seams and sturdy fittings to withstand frequent use and movement. Cheaper materials may crack or degrade faster, leading to costly replacements or leaks, which can disrupt your operations.
Ease of Maintenance
Simpler designs with accessible drain valves, removable lids, and smooth surfaces reduce cleaning time and ensure sanitary conditions. Tanks with integrated features like removable components also help prevent buildup and facilitate thorough cleaning, essential for food trucks that need to adhere to health standards. Avoid overly complex designs that are difficult to service regularly.
Cost and Value
While investing in a durable, high-capacity tank can be more expensive initially, it often pays off through longevity and fewer replacement costs. Cheaper models might save money upfront but could lead to more frequent repairs or replacements. Balance your budget with your operational needs to choose a tank that offers the best long-term value without sacrificing quality.
Frequently Asked Questions
How often will I need to empty a 40-gallon wastewater tank in a busy food truck?
The frequency of emptying depends on your daily waste output, but a 40-gallon tank typically requires emptying every 1-3 days for high-volume operations. Monitoring your daily waste production helps plan your disposal schedule, preventing overflows or sanitation issues. An overfilled tank can cause backups and disrupt your service, so choosing a size that matches your daily needs is essential.
Can I use a portable waste tank for permanent installation in my food truck?
While portable tanks are designed for mobility, they can be adapted for semi-permanent use if equipped with secure fittings and proper mounting. However, they are generally intended for quick removal and emptying, not continuous installation. For long-term setups, look for tanks specifically designed for fixed installation to ensure stability and compliance with sanitation standards.
What are the most common materials used for wastewater tanks, and which is best?
Most wastewater tanks are made from durable plastics like polyethylene, which resist corrosion, UV rays, and chemicals. These materials are lightweight yet strong, making them suitable for mobile food trucks. Metal tanks are less common due to corrosion issues and weight but may be used in specific applications. For convenience and longevity, high-quality polyethylene remains the best choice for most food truck operators.
How important are wheels and handles when choosing a wastewater tank?
Wheels and handles greatly influence how easily you can move and position your tank for dumping. Heavy-duty wheels with good traction and sturdy handles reduce physical strain and make quick disposal possible, especially when space is tight. Skimping on mobility features can lead to logistical delays, particularly during busy hours or in uneven terrains.
Is it better to buy a combo pack with fresh and gray water tanks?
Combo packs can simplify setup by providing matching tanks for different water types, saving space and ensuring compatibility. However, they may limit customization if you need larger or differently sized tanks for each purpose. Consider your water usage patterns and available space before opting for a pack—sometimes separate tanks tailored to specific needs offer more flexibility.
Conclusion
The best overall choice for most food truck operators is the Class A Customs 40 Gallon RV Waste Black Water Holding Tank, thanks to its ample capacity and sturdy construction. For those prioritizing portability and quick setup, the Camco Rhino 21-Gallon Portable Waste Tank offers excellent mobility. Budget-conscious buyers should consider the RecPro combo packs, which provide versatile solutions without breaking the bank. Beginners and small operation owners will find smaller tanks like the 19-Gallon RV Fresh Water Tank easier to manage, while high-volume trucks benefit from larger models like the 57-Gallon tank. Ultimately, selecting the right tank depends on your daily waste output, space constraints, and handling preferences. As an affiliate, we earn on qualifying purchases.Fall Picks
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