Amendments to Basin Assessment Lists

2020 Verified List Additions and Removals

Group 3 Upper St. Johns Basin

The department announces the availability of an off-cycle amendment to the Verified List of Impaired Waters in the Group 3 Upper St. Johns basin. A specific list of the waterbody addressed in this amendment is available below and reflects the department’s current assessment. This final list was adopted by a Secretarial Order signed by DEP Secretary Valenstein on April 30, 2020. 

Blue Cypress Lake is being added to the Verified List of Impaired Waters for nutrients based on the annual geometric means for total phosphorus exceeding the numeric nutrient criterion.

Group 5 Indian River Lagoon Basin 

The department announces the availability of an off-cycle amendment to the Verified List of Impaired Waters in the Group 5 Indian River Lagoon basin. A specific list of the waterbodies addressed in this amendment are available below and reflects the department’s current assessment. This final list was adopted by a Secretarial Order signed by DEP Secretary Valenstein on April 30, 2020. 

North Canal and Main Canal are being delisted from the Verified List of Impaired Waters for nutrients because the waterbody segments meet the definition of a man-made, or predominantly channelized or predominantly physically altered conveyance as per paragraph 62-302.200(36)(b), F.A.C. Supporting documentation.

Group 5 Indian River Lagoon Basin Study List Removals

The department is also requesting EPA remove the waters identified below from the 303(d) List within the Group 5 Indian River Lagoon basin. The "Study List" is the list of surface waters or segments where additional information is needed, as identified in Rule 62-303.390, F.A.C. To conform to the expectations of federal regulations (40 Code of Federal Regulations., Part 25) regarding public participation in programs under the Clean Water Act, the department is providing this list for public comment.  There are several reasons for requesting removal from the 303(d) List including, but not limited to more recent or accurate data, flaws in the original analysis, site specific data or information to support natural conditions, and changes in water quality conditions.

South Canal is being removed from the Study List for total phosphorus because the waterbody segment meets the definition of a man-made, or predominantly channelized or predominantly physically altered conveyance as per paragraph 62-302.200(36)(b), F.A.C. Supporting documentation.

2019 Study List Removals

The department is also requesting EPA add or remove the waters identified below from the 303(d) List within the following Group 3 Basin: Choctawhatchee - St.Andrew basin. The "Study List" is the list of surface waters or segments where additional information is needed, as identified in Rule 62-303.390, F.A.C. To conform to the expectations of federal regulations (40 Code of Federal Regulations., Part 25) regarding public participation in programs under the Clean Water Act, the department is providing this list for public comment.  There are several reasons for requesting removal from the 303(d) List including, but not limited to more recent or accurate data, flaws in the original analysis, site specific data or information to support natural conditions, and changes in water quality conditions. Rocky Bayou is being removed from the Study List for total nitrogen based supporting documentation.

2019 Verified List Additions and Removals

Group 3 Choctawhatchee - St. Andrews Basin

The department announces the availability of an off-cycle amendment to the Verified List of Impaired Waters in the Group 3 Choctawhatchee - St. Andrews basin. A specific list of the waterbody addressed in this amendment is available below and reflects the department’s current assessment. This final list was adopted by a Secretarial Order signed by DEP Secretary Valenstein, on Oct. 2, 2019. 

Otter Creek is being added to the Verified List of Impaired Waters for Arsenic (in fish tissue) based on the Florida Department of Health's fish advisory.  Supporting documentation can be found here.

Group 5 Indian River Lagoon Basin

The department announces the availability of off-cycle amendments to the Verified List of Impaired Waters in the Group 5 Indian River Lagoon basin. A specific list of waterbodies addressed in these amendments is available below. These lists reflect the department’s current assessments for these waterbodies. These final lists were adopted by a Secretarial Order signed by DEP Secretary Valenstein on Sept. 17, 2019.

Mosquito Lagoon is being removed from the Verified List of Impaired Waters based on the department’s approval of the Mosquito Lagoon Reasonable Assurance Plan that addresses the nutrient impairments. Supporting documentation.

2018 Verified List Additions and Removals

The department announces the availability of off-cycle amendments to the Verified List of Impaired Waters and Study List revisions for waterbodies in the Groups 1, 2, 3 and 4 basins. A specific list of waterbodies addressed in these amendments is available below. These lists reflect the department’s current assessments for these waterbodies. These final lists were adopted by a Secretarial Order signed by DEP Secretary Noah Valenstein on June 27, 2018.

Group 2 Middle St. Johns Basin

Lake Howell (WBID 2997B) is being delisted from the Verified List of Impaired Waters based on the department’s approval of an alternative restoration plan that addresses the nutrient and biological impairments. Supporting documentation.

Group 3 Sarasota Bay - Peace - Myakka Basin

Crystal Lake (WBID 1497A) is being delisted from the Verified List of Impaired Waters based on the department’s approval of an alternative restoration plan that addresses the nutrient impairments.  Supporting documentation can be found here.

Group 2 Apalachicola - Chipola Basin

The department is adopting revisions to the Verified List of Impaired Waters for the Group 2 Apalachicola - Chipola basin.

Amendments for Nutrient Impaired Springs

The department is delisting from the Verified List of Impaired Waters springs for nutrient impairments in the following Group 1 basins: Ocklawaha and Suwannee; and Group 2 basins: Apalachicola - Chipola and Middle St. Johns; and Group 4 basin: Withlacoochee. These waterbodies are being delisted from the Verified List or placed on the Study List due to the completion of a Total Maximum Daily Load or an adopted Basin Management Action Plan that addresses the nutrient impairment.  

2018 Study Lists Additions and Removals

The department is also requesting EPA add or remove the waters identified below from the 303(d) List within the following Group 2 Basins: Apalachicola - Chipola and Tampa Bay Tributaries. The "Study List" is the list of surface water or segments where additional information is needed, as identified in Rule 62-303.390, F.A.C. To conform to the expectations of federal regulations (40 Code of Federal Regulations., Part 25) regarding public participation in programs under the Clean Water Act, the department is providing these lists for public comment. There are several reasons for requesting removal from the 303(d) List including, but not limited to, more recent or accurate data, flaws in the original analysis, site specific data or information to support natural conditions, and changes in water quality conditions.