Keeping a porta potty usable through a mid-Missouri winter
Jefferson City averages lows of 21°F in January. Here is how job sites and winter events keep toilets working.
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Does a porta potty freeze in winter?
A porta potty holding tank can freeze when temperatures stay below 32°F, which happens most nights from December through February in Jefferson City. A frozen tank cannot be pumped. Winter service adds a salt brine or antifreeze charge to the tank at each visit so the contents stay liquid down to about 0°F.
Flushing units and sinks freeze first because their water lines are small. From December to February, rent standard units and keep hand sanitizer inside instead of water sinks, or ask about a heated hand-wash station.
Where should a winter porta potty be placed?
Place a winter porta potty on the south side of a building or trailer, out of the north wind, with the door facing away from prevailing gusts. Keep it off low spots where meltwater pools and refreezes. Clear a shoveled path, and spread sand or ice melt so crews do not slip at the door.
Tie-downs or stakes help on open lots; winter gusts across Callaway and Cole County fields can tip a unit.
Does winter change the cleaning schedule?
Winter does not change the weekly cleaning schedule, but snow can delay a service day by 24 to 48 hours. Keep the path to the unit plowed so the service truck reaches it. Monthly rentals keep their weekly visit through winter, with antifreeze added each time.
Jefferson City averages about 12 inches of snow a year, so delays are short and rare.
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