Non-potable water

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