Well, I thought this discussion had concluded, but then we on the Gulf Coast had Hurricane Laura and Hurricane Beta close behind it.
And in response to flooding and disruption of water and wastewater utilities, our state environmental regulator
began publicizing information on how to safely bleach water. That was a source I had not previously consulted.
Aside from the ominous warning at the bottom of their page, namely
"Using any brand of bleach not manufactured to ANSI/NSF Standard 60 for public water systems is a violation of the Public Drinking Water Rules", they provided a link to
an NSF site where, theoretically, people could look up whether or not a particular bleach met the standard.
Except it doesn't work - it lists manufacturers, not sources attainable to consumers. (I emailed the regulator about that).
Anyway, it also says,
"The label, Material Safety Data Sheet [(SDS)], or packaging will state that the product meets ANSI/NSF Standard 60."
The hell it will. I went over my Clorox Germicidal bottle with a fine-toothed comb and there was no such assurance of technical conformance. Then I downloaded the SDS and it wasn't there either.
So - back to the drawing board - I emailed Clorox with a different spin on my original question, and they responded promptly with the confirmation that Clorox Germicidal is manufactured to that standard: