Abstract:

This dataset identifies if a waterbody has a verified nutrient or dissolved oxygen (DO) water quality impairment, has an FDEP adopted TMDL for nutrients or DO, or is within the watershed area of a Reasonable Assurance Plan that addresses nutrient or DO impairments. WBID numbering is referenced to WBID Run 52. As of now data are only available for South Florida Water Management District (SFWMD) and Southwest Florida Water Management District (SWFWMD) areas within Florida Department of Transportation (FDOT) District 1. FDOT District 1 includes Charlotte, Collier, De Soto, Glades, Hardee, Hendry, Highlands, Lee, Manatee, Okeechobee, Polk, and Sarasota Counties. As more data become available this future statewide layer will be updated. Please Note: this layer has been created by FDOT for FDOT planning and consultants use. The FDEP maintains their own statewide impaired waters layer which is also available on FGDL. This is an update to the FGDL dataset VI_TMDL_RA_MAY13.

Purpose:

Purpose of this dataset is to provide spatial representation of the areas for which 
a nutrient and/or dissolved oxygen impairment in a water feature has been identified.

Supplemental_Information:

The State of Florida "verified list" of impaired waters is the list of Florida's water
bodies that fail to attain any of its designated uses and/or meet the minimum
criteria for surface waters established in the Surface Water Quality Standards
(62-302, F.A.C.) and the Impaired Waters Rule (IWR, 62-303, F.A.C.). The entire
state of Florida is divided into five basin groups in which each water body is
re-assessed on a rotating basis every five years. FDEP develops TMDLs for
waters on its verified list, or in the alternative, local stakeholders can develop and
implement a RAP to restore water quality.

The attached lists/maps are for use by consultants to FDOT District 1 to determine
if nutrient loading calculations are required. The maps/lists include WBIDs that
have a TMDL or are within a RAP watershed and require net improvement. The list
is current through the Group 3, Cycle 3 assessments adopted in October 2016.
Questions about this specific dataset should be addressed to:

Janet K. Hearn, P.E.
Associate Principal
Applied Technology and Management, Inc.
jhearn@appliedtm.com
386-256-1018

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FDEP VERIFIED IMPAIRED FLORIDA WATERS
Supplemental Information:

For more information or questions regarding the verified list and assessments,
please contact Julie Espy (julie.espy@dep.state.fl.us or (850) 245-8416).

For more information or questions regarding TMDLs please contact
Erin Rasnake (Erin.Rasnake@dep.state.fl.us or (850) 245-8338).

Watershed Assessment Program
Florida's rivers, streams, lakes, estuaries, and coastal waters are spectacularly
beautiful. More than that, they are essential natural resources, supplying the water
necessary for aquatic life, both large and microscopic; drinking water; recreation;
industry; fishing and shellfish harvesting; and agriculture. Florida's multi-billion tourist
industry would vanish if our water resources were irreparably degraded. Protecting
these abundant water resource, restoring them when they become damaged
because of unmanaged growth and development, and preserving them for the
future is your responsibility and ours.

DEP's Divisions of Water Resource Management and Environmental Assessment
and Restoration implement a wide range of programs to protect and restore Florida's
surface waters. Tour this website and you will find dozens of different strategies and
activities underway to benefit water quality. At the heart of these efforts, particularly
in identifying water quality problems and establishing clean-up objectives, is the
Watershed Assessment program.

https://floridadep.gov/dear/watershed-assessment-section

Total Maximum Daily Loads Program

What is a TMDL?
A TMDL is a scientific determination of the maximum amount of a given pollutant
that a surface water can absorb and still meet the water quality standards that
protect human health and aquatic life. Water bodies that do not meet water quality
standards are identified as "impaired" for the pollutants of concern - nutrients,
bacteria, mercury, etc. - and TMDLs must be developed, adopted and implemented
to reduce those pollutants and clean up the water body.

The threshold limits on pollutants in surface waters - Florida's surface water quality
standards on which TMDLs are based - are set forth primarily in rule 62-302, Florida
Administrative Code (F.A.C.), and the associated table of water quality criteria.

What are the basic steps in the TMDL program? How does it work?
1. Assess the quality of surface waters--are they meeting water quality standards?
(Surface Water Quality Standards - Chapter 62-302)
2. Determine which waters are impaired--that is, which ones are not meeting water quality standards
for a particular pollutant or pollutants. (Impaired Waters Rule (IWR) - Chapter 62-303)
3. Establish and adopt, by rule, a TMDL for each impaired water for the pollutants of concern
--the ones causing the water quality problems. (TMDLs - Chapter 62-304)
4. Develop, with extensive local stakeholder input, Basin Management Action Plans (BMAPs) that....
5. Implement the strategies and actions in the BMAP
6. Measure the effectiveness of the BMAP, both continuously at the local level
and through a formal re-evaluation every five years.
7. Adapt--change the plan and change the actions if things aren't working
8. Reassess the quality of surface waters continuously

FDEP is working on a more comprehensive approach to protecting Florida water quality involving basin-wide assessments
and the application of a full range of regulatory and non-regulatory strategies to reduce pollution.
The TMDL is the heart of this comprehensive approach.

https://floridadep.gov/dear/water-quality-evaluation-tmdl/content/total-maximum-daily-loads-tmdl-program

Currentness_Reference:

publication date

Use_Constraints:

None

Address:

801 N. Broadway Avenue

http://www.dot.state.fl.us/

Data_Set_Credit:

Applied Technology & Management, Inc.,  Florida Department of Environmental Protection: Watershed Assessment Section, Florida Department of Transportation.

Attribute_Accuracy_Report:

GeoPlan relied on the integrity of the attribute information within
the original data.

Logical_Consistency_Report:

This data is provided 'as is'. GeoPlan relied on the integrity
of the original data layer's topology.

Completeness_Report:

This data is provided 'as is' by GeoPlan and is complete to our
knowledge.

Horizontal_Positional_Accuracy_Report:

This data is provided 'as is' and its horizontal positional accuracy
has not been verified by GeoPlan.

Vertical_Positional_Accuracy_Report:

This data is provided 'as is' and its vertical positional accuracy
has not been verified by GeoPlan.

Source_Contribution:

Spatial and Attribute Information

Process_Description:

Water body ID layer (Run47) was attributed with Verified Impaired Assessment Data, 
TMDL Data, and RA Data from the Watershed Assessment Section to create the WBIDs impairment dataset.

Process_Description:

GeoPlan received the following datasets via email from Janet Hearn of  
Applied Technology & Management, Inc. on September 11th, 2018.

Feb2017Update.gdb 
 - Containing 5 feature classes (1 for each Group)

The 5 data sets were received in the following projections: 
WGS84 and FDEP Albers

The projection file was redefined from the FDEP Albers projection 
to the FGDL Albers projection.

For features with WGS84 projection they were reprojected to the FGDL Albers projection.

Next the 5 layers were combined and renamed to vi_tmdl_ra_feb17.shp

GeoPlan added and populated the following fields:
- RA
- RUN
- DATASOURCE
- SOURCEDATE
- DESCRIPT
- FGDLAQDATE

Finally all of the fields and records were uppercased.

Process_Description:

Dataset copied.

Attribute_Definition:

Internal feature number.