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4-Log Viral Inactivation
Retain the services of a professional
engineer Licensed in the State of Florida.
Your engineer will analyze your water
system and will submit CT calculations to the Department in
Rule 62-555.320(12)(b) and (c).
The Drinking Water Permitting section
will review the calculations to determine if sufficient CT is
If sufficient CT is provided, no
changes will need to be made to the water system.
If CT is deemed to be
insufficient, a permit to modify the drinking water treatment
plant must be obtained.
*Note: CT is a parameter that is obtained
by multiplying the disinfectant residual by the water's detention time
before or at the first customer. It does not mean "contact time."
You must also
complete columns 6-11 on the Monthly Operation Reports (MORs) for
each day that the plant serves water to the public.
acceptance letter will contain minimum free chlorine levels that
must be maintained before or at the first customer.
House Compliance Contacts
contact Richard Lott P.E., P.G. by email using
Richard.Lott@dep.state.fl.us or by phone at 407-897-4122 for
additional permitting assistance.
Drinking Water Section
3319 Maguire Blvd.,
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