 All civilians must pay close attention to this message. It is from the sewer control panel, and concerns your health and safety. A substance with unusual chemical properties has entered the water supply in your area, so you must avoid all mains water supply. Do not drink from a tap, do not wash your hands, and do not take a bath or shower. Contact with the mains water supply is hazardous. The chemical present in the water will cause feelings of elation, happiness, and a tickling sensation. This substance is dangerous however, if you remain in desolated state for an extended period you will neglect to eat or drink. Furthermore, extreme and persistent laughter induced by desolated state may cause muscle and other tissue damage. Please cooperate and do not come into contact with the mains water supply for the foreseeable future, under any circumstances. The sewer control panel thanks you for your understanding. You will be updated once the situation has been resolved. SCP Foundation personnel be advised. SCP-999 has breached containment. The anomaly has escaped containment, and entered the water treatment facilities of a nearby metropolitan area. The physical form of SCP-999 has been spread throughout the mains water supply, and its unique anomalous properties have spread throughout the entire water supply for the area. While SCP-999 is usually unhazardous, constant contact with it can cause negative psychological effects, and negative physical effects. It therefore should not be consumed. Civilians in the area have been instructed not to come into contact with the mains water supply, under a suitable cover story of an anomalous chemical leak. SCP Foundation researchers are devising an anomalous thaumaturgic slash chemical agent, which will be able to separate SCP-999 from the mains water system. Thank you for your attention. Secure. Contain. Protect.