Chloramine! Not for swimming in, nor drinking

Chlorine and ammonia = Chloramines = Pool smell or chlorine smell of your drinking water.

In a swimming pool, This reaction occurs because of sweat, oils and urine combining with the chlorine in the pool or the chloramine being used as disinfectant. In drinking water it is used as a disinfectant and not removed by most popular drinking filters.
Chloramine is a weaker but more persistent and stable disinfectant than chlorine. If your water smells like chlorine after leaving a glass of water out it is the chloramine that you are smelling.
In the swimming Pool the excessive pool smell, burning eyes, red skin is caused by the concentration of chloramine being high.
For ingestion, they say that saliva and stomach acid break down the molecule, yet the same article says that it is eliminated in waste.

References:

1. https://www.westonaprice.org/health-topics/environmental-toxins/chlorine-free-swimming-pools/
   
2. https://bestwaterpurificationblog.com/the-health-effects-of-chloramine-and-how-to-remove-it/
3. https://chlorine.americanchemistry.com/Science-Center/Chlorine-Compound-of-the-Month-Library/Chloramines-Understanding-Pool-Smell/
4. https://www.epa.gov/dwreginfo/chloramines-drinking-water
5. https://www.emdmillipore.com/Web-US-Site/en_CA/-/USD/ProcessMSDS-Start?PlainSKU=MDA_CHEM-101632&Origin=PDP
6. http://www.chloramine.org/chloraminefacts.htm