7 Gallon RV Fresh Water Tank - Compact Potable Storage for Campers

In this review of the 7 Gallon RV Fresh Water Tank the bottom line is simple: it is a compact, purpose-built potable water reservoir best suited to RV owners who need a reliable low-capacity tank for drinking, cooking, showering, and washing. The reviewer found the tank's biggest selling point to be its combination of BPA-Free materials and multiple built-in fitting locations that make installation flexible in tight spaces like under bunks, inside cabinets, or in tight utility bays.

Key Features

• Made in USA: Manufactured in Elkhart County, Indiana, the tank offers traceable production and domestic quality control.
• BPA-Free construction: Safe for potable water so it can be used for drinking and cooking without off-taste worries.
• Multiple fittings: Two 1.5' balloon style female NPT and two 0.5' female NPT fittings give several installation and plumbing options.
• Compact cube shape: The 17.5' x 11' x 10' dimensions make it easy to fit into small compartments and tight spaces on trailers and campers.
• Durable plastics: Weather and impact resistant materials help the tank resist everyday wear and remain sanitary and leak-proof when installed correctly.
• IAPMO and QAI certifications: The tank meets relevant standards for potable water use and has lab certifications to support cleanliness and construction claims.

Who It's For

The 7 gallon fresh water tank is aimed at RV, trailer, camper, tiny house, and food truck owners who need a small, portable potable water reservoir for short trips, limited space installs, or supplemental water capacity. It is particularly useful for people who must fit a tank into compact areas where a rectangular or cube shape and multiple fitting locations simplify plumbing runs.

Those who require a large onboard supply for long boondocking stretches or who need a pressurizable or permanently mounted system should look elsewhere. Also, buyers who expect included mounting hardware or fittings beyond the built-in ports will need to plan for additional purchases.

Pros & Cons

Pros

• Solid build quality and accurate sizing make it easy to plan installations in tight compartments.
• Safe BPA-Free material and sanitary design suit drinking, cooking, and dishwashing use.
• Multiple built-in fittings provide flexible plumbing options and simplify hookup locations.
• Proudly made in the USA with industry lab certification for potable use.

Cons

• Does not include mounting hardware, valves, hoses, or additional fittings, so extra parts are required for a finished install.
• There are mixed reports about the leak resistance of the fill fitting, so careful installation and seal checking are recommended.

Specifications

Capacity	7 gallon
Shape	Cube
Dimensions	17.5 in x 11 in x 10 in
Fittings	(2) 1.5 in balloon style female NPT, (2) 0.5 in female NPT
Material	BPA-Free, impact and weather resistant plastic
Certifications	IAPMO standards, QAI Laboratories certified
Origin	Made in USA (Elkhart County, Indiana)

Our Verdict

The 7 Gallon RV Fresh Water Tank is a sensible, cost-effective choice for RV owners who need a small, sanitary potable tank that fits into tight spaces and offers flexible plumbing options. While it requires separate mounting hardware and occasional attention to fitting seals, its domestic manufacture, certified materials, and compact dimensions make it good value for short trips and supplemental water storage.

Frequently Asked Questions

Can this tank be pressurized?
No. The tank should not be pressurized; it is designed for gravity feed or pump systems installed downstream.

Does the tank include mounting brackets or hoses?
No. The tank ships without mounting hardware, gate valves, piping, hoses, or additional fittings, so those must be purchased separately.

How often should the tank be cleaned?
Empty the tank when not in use and clean it at least once per year to maintain sanitary conditions.