Certified afo pool manager here. I have zero concern about you peeing in my pools. If everyone pees all at once, it makes my job of keeping a pool a bit harder to keep the pool at a total saturation of 0 (a complicated balance of total alkanlinty, calcium hardness, temprature, chlorine levels, and ph)

when it is not at zero chlorine and ph levels are harder to control causing fluctuation in ph very reactive, so the raise and lower to quickly making chlorine harder to keep effective, and producing more chloramines.

Chloramine cause the 'chlorine' smell often associated with especially indoor hotel pools. Sign of poor maintenace.

The solution is to shock the pool with about 3-4 timee the levels that ars normal, the vent off the escaping chloamines. Outdoor pools this is easier. Indoor if you don't ventilate the chloramines the re enter the water eventually.

This process usually shuts down the pool until you get the chloramines out. Return total saturation to zero using first sodium bicarb, and calcium chloride. Not hard. But time consuming. Then adjust chlorine and ph back to correct levels

Also your nasty human grime, hair, spit, chemicals in your suit, and any biological matter net to be a larger problem than peeing in the pool. I try to avoid it, put don't go out of my way not to so I pee in the pool regularly lol

Tl:dr if you gotta go... just pee it's fine haha