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F

Lake Theresa

Orange County, FloridaLimited DataEutrophic

Lake Theresa is a productive, nutrient-rich eutrophic lake in Orange County, Florida. Water quality is graded F based on 1 sampling years through 2022. Compared to the 531 other monitored lakes in Orange County, Lake Theresa ranks #513 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2022-10-17. Grade methodology: LakeGrade methodology.

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Swimming Safety

Avoid swimming, very poor water quality, potential algae toxins

Water Quality Grade: F, Very Poor

Very murky, less than 2.4 ft of visibility. Trophic State Index: 65.

MetricValueGrade
Water Clarity (Secchi Depth)2.4 ftF
PhosphorusNo data
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)65Eutrophic

High nutrients, frequent algae, reduced clarity

Location

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County Ranking

Ranked #513 of 532 lakes in Orange County

Cleaner Lakes Within 30 Miles

Lake Theresa holds Grade F. 5 nearby lakes hold higher grades.

Nearby Lakes in Orange County

D
Theresactr Lake
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C
Lake Shannon
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C
Lake Cay Dee North
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Lake Cay Dee South
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B
Lake Gear
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Lakegear
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More Florida Lake Rankings

Cleanest lakes in Florida

Top 25 by overall water quality score

Best swimming lakes in Florida

Grade A/B + low algae filter

Family fishing lakes in Florida

Panfish-rich, public access

All Florida lakes

Full state directory

Other Grade F Lakes in Florida

Polk-Little Bass Lake

Polk County · Clarity: 1.3 ft

Polk-Big Bass Lake

Polk County · Clarity: 1 ft

Alachua-Wauberg Lake

Alachua County · Clarity: 2.4 ft

Lake Roberta

Hillsborough County · Clarity: 1.3 ft

Volusia Lake George @ N of Center

Volusia County · Clarity: 2 ft

Lwc Lake

Brevard County · Clarity: 1.6 ft

Eutrophic Lakes in Florida

Flagler-Emerald LakeEastern Lake OutletSeminole-Secret LakeFtt Lake

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2022-10-17

Monitoring stations: 1

Where to stay near Lake Theresa

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