Various aspects of this disclosure relate to toilet systems that include compositions to inhibit wastewater from freezing in a waste tank of a toilet. A first fluid treatment composition comprises a salt that is introduced into the waste tank. A second fluid treatment composition is a solid composite that also comprises a salt and that is introduced into a urinal in fluid communication with the waste tank.

A portable restroom includes an enclosed interior space including a door, a waster tank, a commode disposed within the enclosed interior space and coupled to the waste tank, a power source, a microprocessor coupled to the power source, a memory coupled to the microprocessor, a waste level sensor disposed in the waste tank and coupled to the microprocessor; a door sensor positioned to sense whether the door is open or closed, a door lock sensor positioned to sense whether the door is locked or unlocked, and a light disposed within the enclosed interior space. Sensors can be provided to sense the closed status of the door and the status of the door lock. The light and sensors are coupled to the microprocessor. Additional sensors can monitor various levels and usage of consumables. The microprocessor monitors the sensed data and wirelessly alerts a service provider when the restroom needs service.

A portable restroom includes an enclosed interior space including a door, a waster tank, a commode disposed within the enclosed interior space and coupled to the waste tank, a power source, a microprocessor coupled to the power source, a memory coupled to the microprocessor, a waste level sensor disposed in the waste tank and coupled to the microprocessor; a door sensor positioned to sense whether the door is open or closed, a door lock sensor positioned to sense whether the door is locked or unlocked, and a light disposed within the enclosed interior space. Sensors can be provided to sense the closed status of the door and the status of the door lock. The light and sensors are coupled to the microprocessor. Additional sensors can monitor various levels and usage of consumables. The microprocessor monitors the sensed data and wirelessly alerts a service provider when the restroom needs service.

A portable restroom includes an automatic continuous flushing feature and a touchless flush request sensor. An automatic light provides welcome lighting in darker locations. An electric fan increases ventilation and reduces odor and temperature in the restroom. Sensors monitor various levels and usage of consumables. A processor monitors the sensed data and wirelessly alerts a service provider when the restroom needs service. A flushing bowl is placed in the commode opening to hide the waste within the tank. The flushing bowl includes a relatively small opening in a forward portion of the inner bowl surface for waste to pass through. A spray nozzle for directing water over the interior of the bowl is provided to minimize the chance that waste sticks to the inner bowl.

A portable restroom includes an automatic continuous flushing feature and a touchless flush request sensor. An automatic light provides welcome lighting in darker locations. An electric fan increases ventilation and reduces odor and temperature in the restroom. Sensors monitor various levels and usage of consumables. A processor monitors the sensed data and wirelessly alerts a service provider when the restroom needs service. A flushing bowl is placed in the commode opening to hide the waste within the tank. The flushing bowl includes a relatively small opening in a forward portion of the inner bowl surface for waste to pass through. A spray nozzle for directing water over the interior of the bowl is provided to minimize the chance that waste sticks to the inner bowl.

Various aspects of this disclosure relate to toilet systems that include compositions to inhibit wastewater from freezing in a waste tank of a toilet. A first fluid treatment composition comprises a salt that is introduced into the waste tank. A second fluid treatment composition is a solid composite that also comprises a salt and that is introduced into a urinal in fluid communication with the waste tank.

A portable restroom includes an automatic continuous flushing feature and a touchless flush request sensor. An automatic light provides welcome lighting in darker locations. An electric fan increases ventilation and reduces odor and temperature in the restroom. Sensors monitor various levels and usage of consumables. A processor monitors the sensed data and wirelessly alerts a service provider when the restroom needs service. A flushing bowl is placed in the commode opening to hide the waste within the tank. The flushing bowl includes a relatively small opening in a forward portion of the inner bowl surface for waste to pass through. A spray nozzle for directing water over the interior of the bowl is provided to minimize the chance that waste sticks to the inner bowl.

A portable restroom includes an automatic continuous flushing feature and a touchless flush request sensor. An automatic light provides welcome lighting in darker locations. An electric fan increases ventilation and reduces odor and temperature in the restroom. Sensors monitor various levels and usage of consumables. A processor monitors the sensed data and wirelessly alerts a service provider when the restroom needs service. A flushing bowl is placed in the commode opening to hide the waste within the tank. The flushing bowl includes a relatively small opening in a forward portion of the inner bowl surface for waste to pass through. A spray nozzle for directing water over the interior of the bowl is provided to minimize the chance that waste sticks to the inner bowl.