Fla. Admin. Code Ann. R. 62-304.705 - St. Lucie River Basin TMDLs
(1)
St. Lucie Estuary (Lower & Middle Estuary). The TMDLs for the St. Lucie
Estuary, based on data in the period from 1996 through 2005, are to achieve
0.081 mg/L TP and 0.72 mg/L TN at Roosevelt Bridge and are allocated as
follows:
(a) The WLA for wastewater sources
is not applicable;
(b) The WLAs for
discharges subject to the Department's NPDES MS4 Permitting Program are a 21.4%
reduction of TN and a 41.3% reduction of TP; and
(c) The LAs for nonpoint sources are a 21.4%
reduction of TN and a 41.3% reduction of TP.
(2) North Fork St. Lucie River (Freshwater).
The TMDLs for the North St. Lucie (Freshwater) are to achieve 0.081 mg/L TP,
0.72 mg/L TN, and 2.0 mg/L BOD for this segment. Based on data in the period
from 1996 to 2005, the cumulative load from all sources is 140, 134 lbs/year
TN, 15, 765 lbs/year TP and 2.0 mg/L BOD allocated as follows:
(a) The WLA for wastewater sources is not
applicable;
(b) The WLAs for
discharges subject to the Department's NPDES MS4 Permitting Program are 25.0%
reduction of TN, 42.2% reduction of TP, and 74.0% reduction of BOD;
and
(c) The LAs for nonpoint
sources are 25.0% reduction of TN, 42.2% reduction of TP, and 74.0% reduction
of BOD.
(3) North Fork
St. Lucie Estuary (Estuarine North Fork). The TMDLs for the North Fork St.
Lucie Estuary (Estuarine North Fork) are to achieve 0.081 mg/L TP and 0.72 mg/L
TN in this estuary segment. Based on data in the period from 1996 to 2005, the
cumulative load from all sources is 103, 747 lbs/year TN and 11, 672 lbs/year
TP allocated as follows:
(a) The WLA for
wastewater sources is not applicable;
(b) The WLAs for discharges subject to the
Department's NPDES MS4 Permitting Program are 28.8% reduction of TN and 58.1%
reduction of TP; and
(c) The LAs
for nonpoint sources are 28.8% reduction of TN and 58.1% reduction of
TP.
(4) C-24 Canal. The
TMDLs for the C-24 Canal are to achieve 0.081 mg/L TP, 0.72 mg/L TN, and 2.0
mg/L BOD for the canal segment. Based on data in the period from 1996 to 2005,
the cumulative load from all sources is 348, 957 lbs/year TN, 39, 258 lbs/year
TP and 2.0 mg/L BOD allocated as follows:
(a)
The WLA for wastewater sources is not applicable;
(b) The WLAs for discharges subject to the
Department's NPDES MS4 Permitting Program are 51.8% reduction of TN, 72.2%
reduction of TP, and 33.3% reduction of BOD; and
(c) The LAs for nonpoint sources are 51.8%
reduction of TN, 72.2% reduction of TP, and 33.3% reduction of
BOD.
(5) C-23 Canal. The
TMDLs for the C-23 Canal are to achieve 0.081 mg/L TP and 0.72 mg/L TN in the
canal segment. Based on data in the period from 1996 through 2005, the
cumulative load from all sources is 242, 202 lbs/year TN and 27, 248 lbs/year
TP allocated as follows:
(a) The WLA for
wastewater sources is not applicable;
(b) The WLAs for discharges subject to the
Department's NPDES MS4 Permitting Program are 51.7% reduction of TN and 78.6%
reduction of TP; and
(c) The LAs
for nonpoint sources are 51.7% reduction of TN and 78.6% reduction of
TP.
(6) South Fork St.
Lucie Estuary. The TMDLs for the South Fork St. Lucie Estuary are to achieve
0.081 mg/L TP and 0.72 mg/L TN in this estuary segment. Based on data in the
period from 1996 through 2005, the cumulative load from all sources is 24, 463
lbs/year TN and 2, 752 lbs/year TP allocated as follows:
(a) The WLA for wastewater sources is not
applicable;
(b) The WLAs for
discharges subject to the Department's NPDES MS4 Permitting Program are 38.4%
reduction of TN and 57.2% reduction of TP; and
(c) The LAs for nonpoint sources are 38.4%
reduction of TN and 57.2% reduction of TP.
(7) South Fork St. Lucie River. The TMDLs for
the South Fork St. Lucie River are to achieve 0.081 mg/L TP and 0.72 mg/L TN in
this river segment. Based on data in the period from 1996 through 2005, the
cumulative load from all sources is 90, 471 lbs/year TN and 10, 178 lbs/year TP
allocated as follows:
(a) The WLA for
wastewater sources is not applicable;
(b) The WLAs for discharges subject to the
Department's NPDES MS4 Permitting Program are 47.1% reduction of TN and 61.8%
reduction of TP; and
(c) The LAs
for nonpoint sources are 47.1% reduction of TN and a 61.8% reduction of
TP.
(8) Bessey Creek. The
TMDLs for Bessey Creek are to achieve 0.081 mg/L TP and 0.72 mg/L TN in the
creek segment. Based on data in the period from 2000 through 2005, the
cumulative load from all sources is 29, 981 lbs/year TN and 3, 373 lbs/year TP
allocated as follows:
(a) The WLA for
wastewater sources is not applicable;
(b) The WLAs for discharges subject to the
Department's NPDES MS4 Permitting Program is 23.9% reduction of TN and 51.2%
reduction of TP; and
(c) The LAs
for nonpoint sources is 23.9% reduction of TN and 51.2% reduction of
TP.
(9) C-44 Canal. The
TMDLs for the C-44 Canal are to achieve 0.081 mg/L TP, 0.72 mg/L TN, and 2.0
mg/L BOD in this canal segment. Based on data in the period from 1996 through
2005, the cumulative load from all sources is 242, 929 lbs/year TN, 27, 330
lbs/year TP and 2.0 mg/L BOD allocated as follows:
(a) The WLA for wastewater sources is not
applicable;
(b) The WLAs for
discharges subject to the Department's NPDES MS4 Permitting Program are 51.2%
reduction of TN, 55.0% reduction of TP, and 69.7% reduction of BOD;
and
(c) The LAs for nonpoint
sources are 51.2% reduction of TN, 55.0% reduction of TP, and 69.7% reduction
of BOD.
(10) St. Lucie
River (North Fork). The bacteriological TMDL for the St. Lucie River (North
Fork) 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 2003 to 2007 period, will require a 66% 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
2003 to 2007 period, will require a 66% reduction of sources contributing to
exceedances of the criteria.
(11) Tenmile Creek. The bacteriological TMDL
for the Tenmile 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 81% 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 81% reduction of sources contributing to
exceedances of the criteria.
Notes
Rulemaking Authority 403.061, 403.067 FS. Law Implemented 403.061, 403.062, 403.067 FS.
New 3-26-09, Amended 5-14-12, 5-9-21.
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