Fla. Admin. Code Ann. R. 62-611.400 - Specific Quantitative Design Criteria
(1) The minimum detention time of the
reclaimed water within a treatment wetland shall be no less than fourteen days
unless the applicant can affirmatively demonstrate that a shorter detention
time will provide the required level of water quality in the discharge from the
treatment wetland. This minimum detention time shall be calculated on an annual
basis by dividing the estimated volume of the treatment wetland by the sum of
the design flow rates of reclaimed water and natural inflow to the treatment
wetland. The estimated volume of the treatment wetland shall be determined for
the area and depth of the treatment wetland based on the landward extent of
waters as specified in Sections
373.4211, F.S., and Rule
62-301.400.
(2) To maximize a treatment wetland's
assimilative capacity for reclaimed water on a long-term basis, the loading
rate of total nitrogen (as N) shall not exceed
25g/m2/yr except for hydrologically altered wetlands
where it shall not exceed 75 g/m2/yr, and the
loading rate of total phosphorus (as P) shall not exceed 3.0
g/m2/yr except for hydrologically altered wetlands
where it shall not exceed 9.0 g/m2/yr. The nutrient
loading rates in hydrologically altered wetlands shall be appropriately
designed for the site and approved by the Department to assure compliance with
Rules 62-611.500 and
62-611.450,
F.A.C.
Notes
Rulemaking Authority 403.087, 373.414(4) FS. Law Implemented 403.051, 403.061, 403.085, 403.086, 403.087, 403.088, 373.414(4) FS.
New 11-27-89, Formerly 17-611.400.
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