Best Plastic Water Tanks for Pickups

When you’re hauling water on a pickup, you need durable, portable storage that resists leaks and UV damage while remaining easy to fill, drain, and transport. The following picks represent a mix of heavy-duty and versatile plastic water tanks designed for outdoor use, camping, agriculture, and mobile setups. Each product is evaluated for portability, capacity, material safety, and compatibility with common fittings.

Product Brand Capacity Use Case
WaterPrepared Portable Water Tank WaterPrepared 35 Gallons Camping, road trips, outdoor hydration
RomoTech 550 Gallon Tank RomoTech 550 Gallons Farm, industrial storage, long-term water reserve
RTS Plastics PCO-50 Gallon Tank RTS Companies Inc. 50 Gallons Portable water and liquids, easy drainage
RecPro RV Fresh Water Tank 100 Gallon RecPro 100 Gallons RV and trailer fresh water supply
GHOSOONE 113 L Foldable Water Bag GHOSOONE 113 Liters (≈30 Gallons) Emergency water, compact storage, foldable

WaterPrepared 35 Gallon Portable Water Tank


WaterPrepared 35 Gallon Portable Water Tank

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WaterPrepared’s 35-gallon tank uses UV-proof plastic to safeguard stored water on extended trips. The unit includes a spigot compatible with standard garden hoses, simplifying access without pumps or siphons. Its reinforced design supports outdoor use, while the capacity suits roadside stops, camping days, or base camps without frequent refills.

Key features include UV-resistant material, a ready-to-use spigot, and a portable form factor that fits pickup bed layouts. The construction emphasizes safety and long life for outdoor hydration tasks, and the hose connection reduces maintenance overhead in field scenarios.

Design and suitability

Designed for ease of transport and operation, this tank emphasizes simple water retrieval and reliable storage. The 35-gallon size balances payload and capacity for many pickup configurations, making it a strong candidate for mobile hydration or temporary wash water needs during outdoor work.


RomoTech 550 Gallon Tank


RomoTech 550 Gallon Storage Tank

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This large-capacity polyethylene tank is built for long-term storage and heavy-duty use. The 550-gallon option offers substantial water reserves for farms, industrial sites, or chemical storage. UV-stabilized plastic minimizes outdoor degradation, while BPA-free construction helps ensure the stored liquid remains uncontaminated over time.

RomoTech emphasizes versatility: the tank is suitable for potable water, agricultural chemicals, or other non-flammable liquids. Its durable exterior resists cracking and wear, making it well-suited for pickup bed transport or stationary outdoor setups where a stable bulk water supply is needed.

Durability and safety

With rustproof, BPA-free design, the tank avoids corrosion and leaching. The vestibular top seals and reinforced walls contribute to reliable long-term storage in farm or industrial environments, supporting secure water management on mobile or fixed sites.


RTS Plastics Rotomolded 50 Gallon Tank


RTS Plastics 50 Gallon Tank

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RTS Plastics offers a rotomolded 50-gallon water tank designed for easy handling and secure fit in mobile applications. Its vented cap helps prevent vacuum lock when pumping, while molded-in gallon markings support quick level checks. A pre-installed bulkhead fitting simplifies hose or valve connections, improving setup speed for pickups or trailers.

Built from seamless rotomolded polyethylene, this tank delivers impact and weather resistance. The combination of molded strap grooves and ready-fit connections helps with secure mounting during transport or stationary installations, making it suitable for camping trips or field work where space is limited.

Practical considerations

For pickup use, the 50-gallon size offers a practical balance of space, weight, and capacity. The integration of a siphon elbow and drain features supports straightforward use in remote locations where pumping is required, without specialized gear.


RecPro RV Fresh Water Tank 100 Gallon


RecPro 100 Gallon RV Fresh Water Tank

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RecPro’s 100-gallon tank is tailored for RV and trailer use, delivering a robust freshwater reservoir for mobile living spaces. Polyethylene construction supports travel durability, while the 100-gallon capacity helps ensure hydration during extended trips. The unit’s American-made framing and materials emphasize reliability for on-the-road installations.

Applications extend beyond RVs to any pickup-based mobile water system needing a dependable supply. The tank’s shape and mounting options accommodate various under-bed or bed-mounted configurations commonly found in pickup setups.

Compatibility and installation

Designed with RV standards in mind, the RecPro tank offers straightforward installation with fittings and quick connections compatible with common RV plumbing. It provides a stable, long-term water source for travel and camping scenarios, with a focus on safety and ease of use.


GHOSOONE 113 L Foldable Water Bag


GHOSOONE 113 L Water Bladder Tank

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This foldable water bladder offers a compact solution for emergencies and temporary storage. With a capacity of about 30 gallons, it’s designed for lightweight transportation and space-saving storage—ideal for pickup trucks needing flexible water options. The bag uses reinforced seams and durable materials to handle outdoor conditions, and its foldable nature helps minimize space when not in use.

Use cases include RV refills, emergency reserves, drought preparation, or fire prevention planning. The design emphasizes portability and rapid deployment, making it a practical addition to a multi-vehicle water strategy for field work and outdoor activities.

Pros and limits

Pros include compact storage, flexible mounting options, and quick setup. Limits center on overall capacity and potential handling care needed for heavy fills, as foldable bags may be more prone to puncture if sharp objects are present in a pickup bed.


Buying Guide: Key Considerations For Picking A Plastic Water Tank For Pickups

  • Capacity and payload: Match tank size to your truck’s bed space and curb weight limits. Larger tanks hold more water but add weight and require more secure mounting.
  • Material and safety: Prefer BPA-free, food-grade polyethylene for potable uses. UV resistance helps extend life in sun-exposed environments.
  • Fittings and drainage: Look for built-in spigots, bulkhead fittings, siphon connections, and downhill drainage or gravity-fed options to simplify water access.
  • Portability and mounting: Containers with handles, wheels, or strap grooves ease transport. Consider strap or bracket mounting for transport stability on uneven terrain.
  • Durability: Rotomolded and UV-stabilized plastics resist cracking and warping. Reinforced caps and venting prevent vacuum lock during pumping.
  • Maintenance: Wide openings and easy-clean interiors reduce biofilm build-up. Look for ease of disassembly for sanitation.
  • Intended use: Define whether the tank is for camping hydration, RV living, agricultural storage, or emergency supplies, and select accordingly.
  • Portability vs. bulk storage: Portable tanks suit daily trips and camping, while bulk tanks suit long-term reservoirs at work sites.

Buying decisions often hinge on a balance of capacity, durability, and ease of use in a pickup environment. Multi-purpose options can cover temporary needs and longer-term storage, but ensure mounting hardware and fittings align with your vehicle’s setup and local regulations.

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