The water authority test frequency is determined by the population served.

Your company should request quarterly and annual reports of the EPA
mandated tests and boil notifications.

I believe that the industry standard for incoming water testing is monthly..

On Fri, May 5, 2023 at 3:19 PM Timothy Cser <
[log in to unmask]> wrote:

> Hi Rajender.  USP 1231 doesn't give timeframes about testing drinking
> (incoming) water from the city.  Most of the firms we deal with seem to
> test no more than monthly using one of the validated test methods like
> ReadyCult in the EPA Drinking Water Rule.
>
> Sincerely,
>
> Tim Cser
> Senior Technology Specialist
> MilliporeSigma
>
> -----Original Message-----
> From: The Pharmaceutical Microbiology Forum Email List <
> [log in to unmask]> On Behalf Of Rajender Micro
> Sent: Wednesday, May 3, 2023 10:08 AM
> To: [log in to unmask]
> Subject: [PMFLIST] frequency for testing of raw water as per the USEPA.
>
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> Dear Forum,
>
>
> What is the recommended and accepted frequency for testing of raw water as
> per the USEPA. Please advise with reference guidance.
>
>
> Thanks in advance
>
> Raj.
>
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-- 
Tony Cundell, Ph. D.
Consulting Microbiologist
Email: [log in to unmask]
Phone: 914 725-3947
Cell: 914 841-0074

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