The Question posed on LinkedIn.

Post by a consulting company, “Are Terminal Sterile Filters in Water Systems permissible?”

My comment

Without reading the linked article, my gut feeling was no as viable monitoring would not be able to detect any contamination issues in the water lines. Additionally, a filter failure in a contaminated system could be a tad disastrous. I’d rather assure the quality of a system through monitoring, rather than a slap on filter.

Reading the article, I’d forgotten about endotoxin risk.