Per 
"The Infinite Pool" | Width=[DATA EXPUNGED]
Item #:SCP-5137
Object Class:Euclid
Special Containment Procedures: SCP-5137 is to be guarded by a standard reinforcement Mobile Task Force Unit, until the fortification construction is 100% complete. At that point, the MTF Unit may leave, or guard with the newer agents. The newer agents will an officer part of the Security department. (Lieutenants and higher). Once the MTF armory, and other human essential chamber construction is complete, the MTF unit will stay at that armory, in the event of a, "raid" or, "riot" begins, the MTF unit will be deployed until the area is secure. The area of SCP-5137's chamber is to be designated Area-[DATA REDACTED]. Class-Disposable personal are to be brought in when the Class-D containment zone construction is complete. Personal that are part of the Scientific Department are the only personal excluding administrative staff, such as the Administrative Department, Ethics Committee, and/or the O5 Council, that can authorize testing, as long as the researcher has the rank of Researcher with security clearance level 4 or higher. No unauthorized personnel are permitted to trigger SCP-5137. Documents to SCP-5137 are accessible to personnel with security clearance level 1 or higher.
Description: SCP-5137 is a pool and a deck located in [DATA EXPUNGED]. The bottom of the pool is not visible, and can appear and disappear under special circumstances. When personal jump in the pool, they will be compelled to do a, "Cannon Ball", and when in, will stay in the water motionless, then drown, when diving, said subject will dive in head first, then the bottom of the pool will appear, subject will head their head on the bottom very hard. Resulting in paralysis, and will remain motionless, then the bottom of the pool will disappear, the subject will sink. 100% cases of personal jumping or diving in where faital. The real bottom of the pool is not visible, the pool is presumed to be infinitely deep. Similar to SCP-087
Addendum:
5137-A: D-4125 was instructed to jump in SCP-5137. D-4125 stated that he was gonna do a, "Cannon Ball". D-4125 was curled up in a ball, and drown.
5137-B: D-7337 was instructed to dive into SCP-5137. Subject did so. Before D-7337 dived in, the bottom of SCP-5137 became visible. D-7337 hit their head on the bottom and was theorized to be paralyzed and drown.
5137-C: D-2447 was instructed to enter the pool through the stairs in the pool. He was then instructed to explore to the bottom. Subject was in position in front of the stairs, but underwater exploring. Subject was then hit in the chest by a blunt object. All contact was lost. Subject presumed KIA. Blunt Object Designated SCP-5137-1.
5137-D: SCP-5137-1. Object Class: Euclid.
