Aquatic Life-Based Water Quality Criteria Assessment (Ch. 62-303; Department of Health)
Fla. Admin. Code R. 62-303.320
Florida Administrative Code
Rule: 62-303.320
Rule Title: Aquatic Life-Based Water Quality Criteria Assessment
Department:
DEPARTMENT OF ENVIRONMENTAL PROTECTION
Division:
Departmental
Chapter:
IDENTIFICATION OF IMPAIRED SURFACE WATERS
Latest version of the final adopted rule presented in Florida Administrative Code (FAC):
Effective Date:
11/25/2025
History Notes:
Rulemaking Authority 403.061 , 403.067 FS. Law Implemented 403.062 , 403.067 FS. History–New 6-10-02, Amended 12-11-06, 8-1-13, 2-17-16, 11-25-25.
References in this version:
Ref-02958
Section 5.4 of DO Technical Support Document, March 2013
Ref-02962 Seasonal Kendall test for trend, Helsel and Hirsch, 2002
Ref-06034 Data Quality Assessment Elements for Identification of Impaired Surface Waters” (DEP EAS 01-01, April 2001)
History of this Rule since Jan. 6, 2006
Notice /
Adopted
Section
Description
Publish
Date
Final
62-303.320
Aquatic Life-Based Water Quality Criteria Assessment
Effective:
11/25/2025
Proposed
62-303.100
......
The proposed revisions to
Chapter 62-303, F.A.C., are intended to provide additional clarity in the overall impaired waters assessment and the specific assessment of recently adopted or concurrently proposed water quality ....
6/27/2025
Vol. 51/125
Workshop
62-303.100
......
To present information and receive public comments on proposed revisions to Chapters 62-302, 62-303, and 62-4, F.A.C., under the Triennial Review ....
September 10, 2024, 9:00 AM EDT
WEBINAR: https://attendee.gotowebinar.com/register/489109545....
7/25/2024
Vol. 50/145
Development
62-303.100
......
As required by the Federal Clean Water Act, the Department of Environmental Protection (Department) is conducting the Triennial Review of state surface water quality standards. All surface
water quality standards in
Chapter ....
7/17/2024
Vol. 50/139
Development
62-303.100
......
As required by the Federal Clean Water Act, the Department of Environmental Protection (Department) is conducting the Triennial Review of state surface water quality standards. All surface water quality standards in
Chapter ....
3/31/2021
Vol. 47/62
Workshop
62-303.100
......
The Department is conducting a set of public workshops for the Triennial Review of state surface water quality standards. These workshops are ....
Monday, November 4, 2019, 9:00 a.m.
Florida Department of Environmental Protection, Bob Martinez ....
10/4/2019
Vol. 45/194
Development
62-303.100
......
As required by the Federal Clean Water Act, the Department of Environmental Protection (Department) is initiating the Triennial Review of state surface water quality standards. All surface water quality standards in
Chapter ....
3/29/2019
Vol. 45/62
Final
62-303.320
Aquatic Life-Based Water Quality Criteria Assessment
Effective:
02/17/2016
Change
62-303.200
......
Definitions, Exceedances of Aquatic Life-Based Water Quality Criteria, Biological Assessment, Assessments of Numeric
Interpretation of Narrative Nutrient Criteria, Nutrients in Estuaries and Open Coastal ....
12/31/2015
Vol. 41/251
Proposed
62-303.100
......
The proposed revisions to
Chapter 62-303, F.A.C., are intended to provide additional clarity in the assessment of recently adopted or concurrently proposed water quality criteria in
Chapter 62-302, F.A.C. The rule revisions ....
11/4/2015
Vol. 41/215
Development
62-303.100
......
As required by the Federal Clean Water Act, the Department of Environmental Protection (Department) is initiating the Triennial Review of state surface water quality standards. The Department is considering revisions to ....
5/19/2015
Vol. 41/97
Final
62-303.320
Exceedances of Aquatic Life-Based Water Quality Criteria
Effective:
08/01/2013
Development
62-303.200
......
The Department is initiating rule development to more effectively and efficiently address bacteria impairments using modern scientific identification and investigation techniques. Specifically, the Department is initiating ....
7/25/2013
Vol. 39/144
Change
62-303.320
......
Exceedances of Aquatic Life-Based Water Quality Criteria, Aquatic Life-Based Water Quality Criteria Assessment
5/28/2013
Vol. 39/103
Proposed
62-303.300
......
The proposed rule amendments update the listing methodology for assessment of the revised Dissolved Oxygen (DO) criteria to determine waterbody impairments and implement a variety of miscellaneous updates identified during ....
4/1/2013
Vol. 39/63
Development
62-303.100
......
The Department of Environmental Protection (Department) proposes to initiate the Triennial Review of surface water quality standards. The Department is considering revisions to a limited number of rule sections at this time; ....
4/27/2012
Vol. 38/17
Development
62-303.100
......
The Department is holding two workshops for the purpose of exploring options with the public on Florida assessment procedures to implement nutrient standards and other relevant provisions of water quality standards. These ....
5/20/2011
Vol. 37/20
Development
62-303.100
......
The Department proposes to establish numeric surface water quality criteria for nutrients and, if necessary, associated standards, such as chlorophyll a. Numeric nutrient criteria and associated standards will be used in ....
1/30/2009
Vol. 35/04
Development
62-303.100
......
The Department is initiating its Triennial Review of state surface water quality standards as required by the Federal Clean Water Act. Proposed revisions to a number of rules in both Chapters 62-303 and 62-302, Florida Administrative ....
7/3/2008
Vol. 34/27
Final
62-303.320
Exceedances of Aquatic Life-Based Water Quality Criteria
Effective:
12/11/2006
Change
62-303.200
......
Definitions, Exceedances of Aquatic Life-Based Water Quality Criteria, Primary Contact and Recreation Use Support, Fish and Shellfish Consumption Use Support, Drinking Water Use Support and Protection ....
10/27/2006
Vol. 32/43
Proposed
62-303.100
......
The purpose of the proposed revisions is to allow
Chapter 62-303, F.A.C., to be re-adopted as a change to Florida’s water quality standards. While the rule will be re-adopted as a change to standards, the revisions clarify ....
8/4/2006
Vol. 32/31
Final
62-303.320
Exceedances of Aquatic Life-Based Water Quality Criteria
Effective:
06/10/2002