Best Potable Drinking Water Tanks for RVs, Campers, and Tiny Homes
Potable drinking water tanks provide safe, accessible water storage for RVers, campers, and off-grid homes. This guide highlights five reliable options designed for long-term use, simple installation, and compliant materials. Each product prioritizes food-grade construction, leak-proof design, and compatibility with standard fittings. Read on to compare capacities, features, and practical considerations for choosing the right tank for your travel or living setup.
| Product | Brand | Capacity | Type | Notes |
|---|---|---|---|---|
| 36 Gallon RV Fresh Water Tank | Ameri-Kart Store | 36 gallons | Cube | Potable water; BPA-free; multiple fitting options |
| 55 Gallon Stackable Emergency Water Storage Tank | Water Tanks | 55 gallons | Barrel | Emergency potable storage; stackable |
| TPU Water Storage Bladder, 35 Gallon | ITRAZ Store | 35 gallons | Collapsible bladder | Food-grade TPU; foldable; durable fittings |
| 5 Gallon Water Jug | UPWOIGH Store | 5 gallons | Jug | Leak-proof; BPA-free; portable |
| 19 Gallon RV Fresh Water Tank | Ameri-Kart Store | 19 gallons | Cube | Potable water; multiple fittings; durable |
36 Gallon RV Fresh Water Tank
Ameri-Kart’s 36 Gallon RV Water Tank is designed for potable water storage in motor homes, campers, trailers, and tiny houses. The tank is made in the USA from BPA-free materials and supports drinking, cooking, showering, and dishwashing. It provides flexible installation with built-in fittings, including two 1.5-inch balloon-style threaded NPT standards and two 0.5-inch NPT standards. The construction emphasizes weather resistance and impact durability, meeting IAPMO standards for sanitary, leak-proof performance.
55 Gallon Stackable Emergency Water Storage Tank
The 55 Gallon Stackable Emergency Water Storage Tank is designed for long-term potable water storage in preparedness scenarios, camping, off-grid living, or disaster response. Its space-saving, stackable design allows large capacity without consuming extra floor space, making it suitable for garages, basements, or sheds. The tank is built from high-quality rotationally molded polyethylene, ensuring durability and safety for long-term use in contact with drinking water.
TPU Water Storage Bladder, 35 Gallon
The TPU Water Storage Bladder from ITRAZ Store is a 35-gallon portable option designed for RV fresh water and long-term home storage. It uses US-made, high-density TPU-coated fabric that is 100% food-grade, BPA-free, DEHP-free, PVC-free, and odorless, ensuring no impact on taste or smell. The bladder folds to reduce size by over 92% when not in use, yet supports substantial weight when filled. A 304 stainless steel GHT threaded outlet/inlet provides a durable, leak-resistant connection compatible with garden hoses and RV accessories.
5 Gallon Water Jug
The UPWOIGH 5 Gallon Water Jug is a portable, no-leak solution for camping and outdoor activities. It features a secure screw-on lid and a durable spigot to prevent leaks and spills when tipped or moved. Made from BPA-free plastic, this jug is odorless and non-toxic, making it suitable for reliable on-the-go hydration during camping and overlanding adventures.
19 Gallon RV Fresh Water Tank
The 19 Gallon RV Fresh Water Tank by Ameri-Kart Store offers a compact potable water storage solution for RVs, motor homes, trailers, campers, and tiny houses. It is manufactured in the USA from BPA-free materials and provides installation flexibility with two 1.5-inch balloon-style NPT fittings and two 0.5-inch NPT fittings. The tank is designed to be sanitary and leak-proof, meeting IAPMO standards for durability and hygiene in drinking water applications.
Buying Guide: Key Purchase Considerations
- Capacity and space: Choose a tank size that balances water needs with available installation space. Larger tanks save frequent refills but require more mounting area.
- Material safety: Look for BPA-free, food-grade plastics or TPU materials certified for potable water to avoid taste or odor transfer.
- Fittings and compatibility: Ensure the tank includes standard NPT fittings that match your plumbing, pump, and hose configurations. Consider future expansion or reconfiguration needs.
- Durability and compatibility: Weather resistance, impact resistance, and compatibility with RV environments matter for longevity in travel and extreme conditions.
- Portability vs. permanence: Collapsible bladders and portable jugs suit travelers and hikers, while rigid cube or drum tanks fit stationary setups.
- Maintenance and sanitation: Look for leak-proof designs and easy access for cleaning to maintain water quality for drinking and cooking.
- Regulatory compliance: Prefer tanks that meet IAPMO or other relevant standards for potable water storage in consumer vehicles and homes.
- Installation options: Tanks with multiple fitting locations or configurable mounting make retrofits easier on different vehicle layouts or living spaces.
When selecting a potable drinking water tank, consider your typical water usage, travel frequency, climate, and available mounting area. For RVs and tiny homes, bulk storage with secure fittings and durable materials often provides the best balance of reliability, safety, and ease of maintenance. For emergency preparedness, a stackable design maximizes capacity in constrained spaces. For outdoor recreation, collapsible bladders and portable jugs deliver on-the-go hydration with minimal weight.