Do all restroom trailers have onboard fresh water tanks?

Question

We're planning a wedding at a remote venue with no water hookups. The wedding is for about 120 people over six hours, with a catered dinner and an open bar. The ground is a flat grassy area, and a service truck can drive right up to the placement spot. We need a two-stall restroom trailer. I'm trying to figure out if all restroom trailers have onboard fresh water tanks, or if some require a continuous water hookup. This will determine if we need to arrange for a water truck or a large tank on site. Does the style of the trailer, like a basic flushing unit versus a luxury model, make a difference in how it gets its water? What should we specifically ask the rental company about the water supply for a trailer in a location like this?

Nina R. · Answer

No, not all restroom trailers have onboard fresh water tanks. Some models require a continuous water hookup, while others have built-in tanks that hold water for flushing and handwashing. The style of the trailer does affect this: basic flushing units often rely on hookups for simplicity, but many luxury models include larger onboard fresh water tanks for events without utilities. For your remote wedding with 120 guests over six hours and an open bar, you need a trailer with a sufficient tank capacity to avoid mid-event refills. Ask the rental company these specifics: does this model have an onboard fresh water tank, what is its gallon capacity, and how many flushes or uses does that provide? Also confirm if they recommend a water truck or static tank backup based on your guest count and duration. Since your site has level ground and truck access, servicing won't be an issue, but water supply is critical for guest comfort.

Do all restroom trailers have onboard fresh water tanks?

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