Non-potable water

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