WaterPrepared 35 Gallon Utility Tank
For a portable 35-gallon drinking-water tank that rides in a truck bed or trailer.
Amazon $157.99$157.99
The WaterPrepared 35 Gallon Utility Tank is the better water storage tank overall, rated 3.6 to 3.3. The WaterPrepared 35 Gallon Utility Tank leads on potable claims and value. The Reliance Aqua-Tainer 7 Gallon, 4-Pack wins on warranty. The Reliance Aqua-Tainer 7 Gallon, 4-Pack costs $8 less ($149.99 vs $157.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Reliance Aqua-Tainer 7 Gallon, 4-Pack
For camping and small emergency stashes in a proven rigid 7-gallon jug.
Amazon $149.99$149.99
Which should you buy?
- Choose the WaterPrepared 35 Gallon Utility Tank for potable claims (NSF certified, food-grade, BPA free vs food-grade, BPA free) and value ($4.51 per gallon ($157.99, 35 gal) vs $5.36 per gallon ($149.99, 28 gal)).
- Choose the Reliance Aqua-Tainer 7 Gallon, 4-Pack for warranty (5-year warranty vs 1-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 25 to 49 gallons water storage tank; a clear win is highlighted. How we rank explains each one.
| Factor weight | WaterPrepared 35 Gallon Utility Tank | Reliance Aqua-Tainer 7 Gallon, 4-Pack |
|---|---|---|
| Overall rating | 3.6/5 | 3.3/5 |
| Value 40% | 55 $4.51 per gallon ($157.99, 35 gal) | 45 $5.36 per gallon ($149.99, 28 gal) |
| Potable claims 25% | 100 NSF certified, food-grade, BPA free | 50 food-grade, BPA free |
| Features 20% | 70 spigot included, UV resistant | 65 spigot included, stackable |
| Warranty 15% | 0 1-year warranty | 44 5-year warranty |
Specifications
| WaterPrepared 35 Gallon Utility Tank | Reliance Aqua-Tainer 7 Gallon, 4-Pack | |
|---|---|---|
| Capacity | ||
| Total capacity | 35 gal | 28 gal |
| Containers | 1 tank | 4 containers |
| Size (each) | 30 x 20.2 x 22.5 in | 11.5 x 11.2 x 15.8 in |
| Empty weight (each) | 16 lb | 2 lb |
| Water safety | ||
| Material | HDPE | Plastic |
| NSF certified | Yes | - |
| Food grade | Yes | Yes |
| BPA free | Yes | Yes |
| Features | ||
| Spigot or outlet | Included | Included |
| Stackable | - | Yes |
| UV resistant | Yes | - |
| Made in USA | Yes | - |
| Warranty | ||
| Warranty | 1 year | 5 years |