Non-potable water

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