Butler Lake
Orange County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Butler Lake. Here is what has been measured.
- Oligotrophic
- Impaired · Mercury
Butler Lake in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 12.8 ft visibility. Phosphorus: 6 µg/L.
Butler Lake is a cold, clear oligotrophic lake in Orange County, Florida. Water clarity is improving over recent sampling years. Compared to the 319 other monitored lakes in Orange County, Butler Lake ranks #186 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-05-07. Methodology: how these readings are compared.
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What Butler Lake is good for
From access and monitoring records, not editorial picks.
- Clear water12.8 ft of visibility
Swimming conditions
Readings onlyLow algae
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Butler Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Whether Butler Lake is safe to swim in today is a call for the Florida Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Butler Lake
These are the measurements Florida DEP publishes for Butler Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 12.8 ft. Phosphorus 6 µg/L. TSI 35.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 12.8ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 6µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 35 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Butler Lake
Answers come straight from the public measurements and survey records on this page.
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Stays near Butler Lake
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Fishing Butler Lake
Water Quality Trend: Stable
Based on 5 years of monitoring (2020–2024).
Water clarity
Improving5 years
Phosphorus
Worsening+2.2 µg/L/yr5 years
EPA Impairment Status
Butler Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL3170Q · Official waterbody report
Nearby Lakes in Orange County
Frequently asked questions about Butler Lake
Where is Butler Lake?
- Butler Lake is a lake in Orange County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Butler Lake?
- Butler Lake in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 12.8 ft visibility. Phosphorus: 6 µg/L.
Is Butler Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Butler Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
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Where this data comes from
86 measurements from 2 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples66 samples · 2020–2025
- Submitting organization not recorded for these samples20 samples · 2024–2025
Monitoring station identifiers (2)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database