Frequently Asked Questions
|Class I||Potable Water Supplies||Includes fourteen areas throughout the state that are used as a source of potable water.|
|Class II||Shellfish Propagation or Harvesting||Generally coastal waters where shellfish harvesting propagation occurs.|
|Class III||Fish Consumption; Recreation, Propagation and Maintenance of a Healthy, Well-Balanced Population of Fish and Wildlife||The surface waters of the State are Class III unless described in Rule 62-302.400, F.A.C.|
|Class III Limited||Fish Consumption; Recreation or Limited Recreation; and/or Propagation and Maintenance of a Limited Population of Fish and Wildlife||This classification is restricted to waters with human-induced physical conditions that, because of those conditions, have limited aquatic life support and habitat that prevent attainment of Class III status.|
|Class IV||Agricultural Water Supplies||Generally located in agricultural areas around Lake Okeechobee.|
|Class V||Navigation, Utility and Industrial Use||Currently, there are no waterbodies designated as Class V waters. The Fenholloway River was reclassified as Class III in 1998.|
Assessment Category Definitions
|1||Attains all designated uses|
|2||Attains some designated uses and insufficient or no information or data are present to determine if remaining uses are attained|
|3a||No data and information are present to determine if any designated use is attained|
|3b||Some data and information are present but not enough to determine if any designated use is attained|
|3c||Enough data and information are present to determine that one or more designated uses may not be attained according to the Planning List methodology|
|4a||Impaired for one or more designated uses but does not require TMDL development because a TMDL has already been completed|
|4b||Impaired for one or more designated uses but does not require TMDL development because the water will attain water quality standards due to existing or proposed measures|
|4c||Impaired for one or more criteria or designated uses but does not require TMDL development because impairment is not caused by a pollutant|
|4d||The waterbody does not meet applicable criteria, but no pollutant can be identified; therefore a TMDL will not be developed at this time|
|4e||Impaired, but recently completed or on-going restoration activities are underway to restore the designated uses of the waterbody|
|5||Water quality standards are not attained and a TMDL is required|
A waterbody can be placed in category 4e if its impaired but recently completed or ongoing restoration activities are underway to restore the designated uses of the waterbody. Because DEP recognizes the ongoing implementation of restoration activities with the goal of restoring water quality, a TMDL is not scheduled at the time of assessment. The need for a TMDL is re-evaluated after the activities have been completed and the waterbody has been reassessed. Waterbody impairments identified in this category will be submitted to EPA for inclusion on the section 303(d) list.
This process occurs every 5 years, and is currently in Cycle 3
The TMDL Tracker is a web based application that is designed to share important information regarding assessments, TMDL documents and permit/facility locations.
The Impaired Waters Rule (IWR) Database is available from this website.
Get a copy of the WAS Annual Schedule and Timeline to see the annual schedule.
Revision to 303(d) Assessment Schedule
Implementation of the numeric nutrient criteria requires two to three years of data to assess a waterbody rather than a single year of data under previous rules. As a result of this data sufficiency requirement, in most years, each district will be monitoring in multiple basins. This shift in monitoring does not require any changes in schedules for uploading data to STORET.
Cycle 3 Assessment Schedule
1 1/1/2000 12/31/2009 1/1/2005 - 6/30/2012 2 1/1/2002 12/31/2011 1/1/2007 - 6/30/2014 3 1/1/2003 12/31/2012 1/1/2008 - 6/30/2015 4 1/1/2004 12/31/2013 1/1/2009 - 6/30/2016 5 1/1/2005 - 12/31/2014 1/1/2010 - 6/30/2017
|1||1/1/2006 12/31/2015||1/1/2011 - 6/30/2018|
|2||1/1/2007 12/31/2016||1/1/2012 - 6/30/2019|
|3||1/1/2008 12/31/2017||1/1/2013 - 6/30/2020|
|4||1/1/2009 12/31/2018||1/1/2014 - 6/30/2021|
|5||1/1/2010 - 12/31/2019||1/1/2015 - 6/30/2022|
The Florida DEP is always interested in hearing feedback from its stakeholders. Comments and questions can be submitted to the Watershed Assessment Section by contacting Kevin O'Donnell by phone (850) 245-8469 or via e-mail Kevin.ODonnell@dep.state.fl.us
For more information, send e-mail to Kevin O'Donnell (Kevin.ODonnell@dep.state.fl.us)
2600 Blair Stone Road - Mail Station 3560
Tallahassee, FL, 32399-2400
Phone: (850) 245-8433
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