Orange-Gatlin Lake
Orange County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Orange-Gatlin Lake. Here is what has been measured.
- Mesotrophic
Orange-Gatlin Lake in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 10.5 ft visibility. Phosphorus: 11 µg/L.
Orange-Gatlin Lake is a mesotrophic lake in Orange County, Florida. Water clarity is improving over recent sampling years. Compared to the 319 other monitored lakes in Orange County, Orange-Gatlin Lake ranks #137 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-09-16. Methodology: how these readings are compared.
What Orange-Gatlin Lake is good for
From access and monitoring records, not editorial picks.
- Clear water10.5 ft of visibility
Swimming conditions
Readings onlyBacteria tested: low
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.
Based on E. coli testing, Orange-Gatlin Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 28 samples across 8 seasons.
This is a historical summary of past testing, not a current condition — bacteria levels change quickly, especially after rain. Always check Florida’s current beach and health-department advisories before swimming.
Whether Orange-Gatlin 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 Orange-Gatlin Lake
These are the measurements Florida DEP publishes for Orange-Gatlin 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 10.5 ft. Phosphorus 11 µg/L. TSI 41.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 10.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 11µg/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. | 41 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Orange-Gatlin Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Orange-Gatlin Lake typically sits around 81°F at the surface in October. Summer average is about 86°F. Usually warmest in Aug (about 88°F) and coldest in Jan (about 62°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (62°F) to its warmest (88°F).
Typical surface water temperature by month, from 64 field readings (2010–2025) via the EPA Water Quality Portal. See the full Orange-Gatlin Lake water temperature breakdown →
Stays via Stay22
Stays near Orange-Gatlin Lake
Compare lakeside cabins, hotels, and vacation rentals near Orange-Gatlin Lake in Orange County, Florida — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Orange-Gatlin Lake
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Fishing Orange-Gatlin Lake
Water Quality Trend: Stable
Based on 5 years of monitoring (2020–2024).
Water clarity
Improving5 years
Phosphorus
Worsening+0.4 µg/L/yr5 years
Nearby Lakes in Orange County
Frequently asked questions about Orange-Gatlin Lake
Where is Orange-Gatlin Lake?
- Orange-Gatlin 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 Orange-Gatlin Lake?
- Orange-Gatlin Lake in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 10.5 ft visibility. Phosphorus: 11 µg/L.
Is Orange-Gatlin Lake safe to swim in?
- Based on E. coli testing, Orange-Gatlin Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 28 samples across 8 seasons. That is a historical summary of past bacteria testing, not a current reading and not a swimming clearance. Bacteria levels can spike quickly after heavy rain, so whether Orange-Gatlin Lake is safe to swim in today is a call for Florida's water agency and the county health department; check their current beach advisories before you swim.
What is the water temperature of Orange-Gatlin Lake?
- Orange-Gatlin Lake typically sits around 81°F at the surface in October, from 64 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.
Explore Orange-Gatlin Lake across LakeQuality
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Mesotrophic Lakes in Florida
Where this data comes from
119 measurements from 3 monitoring stations, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX119 samples · 2020–2024
Monitoring station identifiers (3)
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.