Water Quality Management - Orange County Government, Florida

The Orange County Environmental Protection Division has generated all of the water quality data provided on this web site. This data came directly from our laboratory and has not been analyzed to generate conclusions regarding the health of a particular lake or stream. Orange County EPD has adopted the Florida Department of Environmental Protection's (DEP) water quality standards for lakes and streams. Please contact the Environmental Protection Division's Water Quality Management section at 407-836-1456 with any data-related questions. Additional information concerning Orange County Lakes is included under the Environmental Protection Division pages.

Lake Ranking Report by Trophic State Index (PDF)
Table of DEP Surface Water Quality Classifications Criteria (PDF)
DEP Surface Water Quality Standards (PDF)
Water Quality Parameter Definitions (PDF)
Data Qualifiers (Data Remark Codes) (PDF)

Note: The information is presented in PDF format. If you do not have the Adobe Acrobat Reader installed on your PC, follow this link to download the free reader.

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When searching by lake name, it is not necessary to type the word "Lake" in the input box.
The search box will accept partial lake and/or location names. For example, "HOW" will return a complete list of lakes within the Lake Howell Basin.
Leave out all punctuation. (All stream and lake names have been stripped of their punctuation.)