Innovative park furniture is entering a new technological era with the development of smart benches capable of monitoring pH levels in nearby water features. These specialized chairs incorporate waterproof sensors that continuously analyze water quality parameters, transmitting real-time data to park management systems and environmental agencies. The technology typically uses electrode-based pH sensors mounted on extending arms or floating modules that reach into adjacent ponds, fountains, or streams. Powered by solar panels integrated into the bench design, these systems operate sustainably while providing valuable environmental monitoring. Beyond pH measurement, advanced models track temperature, turbidity, and chemical contaminants, creating comprehensive water quality profiles. While not yet widespread, pilot programs in ecologically sensitive areas and smart cities demonstrate how public infrastructure can serve dual purposes - providing seating while safeguarding aquatic ecosystems through continuous environmental monitoring.