Fla. Admin. Code Ann. R. 62-304.805 - Charlotte Harbor Basin TMDLs
(1)
Coral Creek - East Branch. The TMDLs to address the low DO condition for Coral
Creek - East Branch are 0.74 mg/L TN, 0.044 mg/L TP, and 2.0 mg/L five-day BOD,
and are allocated as follows:
(a) The WLA for
wastewater sources is not applicable;
(b) The WLA for discharges subject to the
Department's NPDES MS4 Permitting Program to address anthropogenic sources in
the basin such that in-stream concentrations meet the DO criteria, based on the
measured concentrations from the January 2007 to December 2007 period, will
require a 31% reduction of TN, a 36% reduction of TP, and a 33% reduction of
BOD at sources contributing to exceedances of the criteria; and
(c) The LA for nonpoint sources is to address
anthropogenic sources in the basin such that in-stream concentrations meet the
DO criteria which, based on the measured concentrations from the January 2007
to December 2007 period, will require a 31% reduction of TN, a 36% reduction of
TP, and a 33% reduction of BOD at sources contributing to exceedances of the
criteria.
(2) Gottfried
Creek. The bacteriological TMDL for Gottfried Creek is 400 counts/100mL for
fecal coliform, and is allocated as follows:
(a) The WLA for wastewater sources is not
applicable;
(b) The WLA for
discharges subject to the Department's NPDES MS4 Permitting Program is to
address anthropogenic sources in the basin such that in-stream concentrations
meet the fecal coliform criteria which, based on the measured concentrations
from the 2005 to 2008 period, will require a 74% reduction of sources
contributing to exceedances of the criteria; and
(c) The LA for nonpoint sources is to address
anthropogenic sources in the basin such that in-stream concentrations meet the
fecal coliform criteria which, based on the measured concentrations from the
2005 to 2008 period, will require a 74% reduction of sources contributing to
exceedances of the criteria.
(3) North Prong of Alligator Creek. The
bacteriological TMDL for the North Prong of Alligator Creek is 400 counts/100mL
for fecal coliform, and is allocated as follows:
(a) The WLA for wastewater sources is not
applicable;
(b) The WLA for
discharges subject to the Department's NPDES MS4 Permitting Program is to
address anthropogenic sources in the basin such that in-stream concentrations
meet the fecal coliform criteria which, based on the measured concentrations
from the 2005 and 2007 period, will require a 72% reduction of sources
contributing to exceedances of the criteria; and
(c) The LA for nonpoint sources is to address
anthropogenic sources in the basin such that in-stream concentrations meet the
fecal coliform criteria which, based on the measured concentrations from the
2005 and 2007 period, will require a 72% reduction of sources contributing to
exceedances of the criteria.
(4) Sanibel Slough West. The nutrient TMDL
for Sanibel Slough West is a three-year average of annual loads of 1, 903
kilograms per year (kg/year) TN and 241 kg/year TP, which are intended to
achieve an AGM chlorophyll a concentration of 11 µg/L
not to be exceed more than once in any consecutive three-year period, and is
allocated as follows:
(a) The WLA for
wastewater point sources is not applicable;
(b) The WLA for discharges subject to the
Department's NPDES MS4 Permitting Program is a 26% reduction of TN and a 34%
reduction of TP from the 2007-2013 period; and
(c) The LA for nonpoint sources is a 26%
reduction of TN and a 34% reduction of TP based on average loads from the
2007-2013 period.
(5)
Sanibel Slough East. The nutrient TMDL for Sanibel Slough East is a three-year
average of annual loads of 1, 091 kg/year TN and 123 kg/year TP, which are
intended to achieve an AGM chlorophyll a concentration of 21
µg/L not to be exceed more than once in any consecutive three-year
period, and is allocated as follows:
(a) The
WLA for wastewater point sources is not applicable;
(b) The WLA for discharges subject to the
Department's NPDES MS4 Permitting Program is a 54% reduction of TN and a 74%
reduction of TP based on average loads from the 2007-2013 period; and
(c) The LA for nonpoint sources is a 54%
reduction of TN and a 74% reduction of TP based on average loads from the
2007-2013 period.
Notes
Rulemaking Authority 403.061, 403.067 FS. Law Implemented 403.061, 403.062, 403.067 FS.
New 10-15-09, Amended 8-26-10, 10-18-17, 5-9-21.
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