No public water system shall be granted a variance from a
maximum contaminant level (MCL) or maximum residual disinfectant level (MRDL)
without first demonstrating that the system cannot meet the MCL or MRDL despite
application of Best Available Technology (BAT).
(1) If a public water system has not
installed BAT before requesting a variance from a maximum contaminant level or
maximum residual disinfectant level, the Department shall require, as a
condition of granting the variance, that the system install BAT except as
provided in subsection (2), below.
(2) If a public water system can demonstrate
through comprehensive engineering assessments, which shall include pilot plant
studies, that BAT would only achieve an insignificant reduction in a
contaminant or disinfectant residual, the Department shall require, as a
condition of granting a variance, that the system examine other treatment
methods.
(3) If the Department
determines that a treatment method examined under subsection (2), above, is
technically feasible, the public water system shall propose a new compliance
schedule addressing installation of the treatment method, and the Department
shall issue a new variance requiring the system to install the treatment
method. The Department's determination shall be based upon studies by the
system and other relevant information.
Notes
Fla. Admin. Code Ann. R.
62-560.600
Rulemaking Authority 403.861(9) FS. Law Implemented
403.852(12), 403.853, 403.854 FS.
New 11-19-87, Formerly 17-22.500, Amended
1-18-89, Formerly 17-560.600, Amended
11-27-01.
New 11-19-87, Formerly 17-22.500, Amended 1-18-89, Formerly
17-560.600, Amended 11-27-01.
