Porta Potty Forum

Can a standard unit handle a 9-month new build in a wet climate?

Sam O.asked 6 viewsHome Renovations & Long-termLong term rentalService frequencyStandard unitWeatherConstruction

We are starting a nine-month new build in the Pacific Northwest, right through the rainy season. The crew will average about eight people, five days a week. I am planning on renting a single standard portable toilet for the site.

My big concern is overflow. A standard unit has a holding tank, and I know weekly service is the norm. But with near-daily rain, the crew will track in a lot of water and mud. I am worried the tank will fill with rainwater from wet clothes and boots much faster than usual.

Can a standard unit with weekly service handle this, or is that asking for trouble? Should I look at a unit with a larger tank, or just plan on twice-weekly service visits from the start?

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Luis A.Bozeman, MT

A standard portable toilet with weekly service will likely overflow on your nine-month build in the Pacific Northwest due to rainwater ingress from wet gear. The holding tank in a standard unit holds 50 to 70 gallons, and with eight workers five days a week plus constant rain, water from boots and clothing will accumulate quickly, reducing effective capacity. Weekly service visits are the norm for typical use, but your wet conditions demand more frequent pumping. Plan for twice-weekly service from the start to prevent overflows and maintain sanitation. Avoid units with larger tanks; they won't solve the water intrusion issue and may cost more to rent. Instead, discuss the rainy climate with your rental company, they may recommend a deluxe unit with a door flap or better seals, but increased service frequency is the key fix. OSHA 1926.51 requires only one toilet for up to 20 workers, so one unit suffices for your crew size, but servicing must match the conditions.

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