Non-potable water

☢ radioactive ☢️ radioactive 🚫 prohibited ⚠ warning 🚳 no bicycles ☣ biohazard 📵 no mobile phones 🔞 no one under eighteen ⛔ no entry 🚯 no littering ☣️ biohazard 🚸 children crossing 🚷 no pedestrians ⚠️ warning 🚭 no smoking