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LakeQuality

Lake Shadow

Orange County, FloridaView mapDirections

Florida DEP publishes the water-quality measurements for Lake Shadow. Here is what has been measured.

Clarity
5.9 ft
Typical for Florida
Secchi · sampled 2025
Phosphorus
15 µg/L
Typical for Florida
Measured by Florida DEP
Water temp
~78°F
Typical for Oct · EPA WQP
Type
Mesotrophic
Trophic class
Trend
Improving
6 years of samples
  • Mesotrophic

Lake Shadow in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 5.9 ft visibility. Phosphorus: 15 µg/L.

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Lake Shadow is a mesotrophic lake in Orange County, Florida. Overall water quality is improving over recent sampling years. Compared to the 319 other monitored lakes in Orange County, Lake Shadow ranks #233 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-09-22. Methodology: how these readings are compared.

Swimming conditions

Readings only

Bacteria 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.

Bacteria testing record
from E. coli testing · 44 samples, 4 seasons

Based on E. coli testing, Lake Shadow never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 44 samples across 4 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 Lake Shadow 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.

Get alerts for Lake Shadow →

Water quality measurements for Lake Shadow

These are the measurements Florida DEP publishes for Lake Shadow, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Murky, only visible to about 5.9 ft. Phosphorus 15 µg/L. TSI 47.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)5.9ftMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus15µg/LGood
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.47Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Lake Shadow

Answers come straight from the public measurements and survey records on this page.

Water Temperature

Lake Shadow typically sits around 78°F at the surface in October. Summer average is about 88°F. Usually warmest in Jul (about 88°F) and coldest in Jan (about 61°F). These are typical values by month — not a live reading.

61°
Jan
66°
Feb
72°
Mar
77°
Apr
81°
May
87°
Jun
88°
Jul
88°
Aug
84°
Sep
78°
Oct
69°
Nov
67°
Dec

Column height runs from this lake’s coldest month (61°F) to its warmest (88°F).

Typical surface water temperature by month, from 61 field readings (2010–2025) via the EPA Water Quality Portal. See the full Lake Shadow water temperature breakdown →

Stays via Stay22

Stays near Lake Shadow

Compare lakeside cabins, hotels, and vacation rentals near Lake Shadow 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 Lake Shadow

Prices for Oct 16–18, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a whole trip? See where to stay at Florida’s top lakes →

Follow Lake Shadow’s readings

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Fishing Lake Shadow

Based on 6 years of monitoring (2020–2025).

  • Water clarity

    Improving

    6 years

  • Phosphorus

    Improving

    -0.86 µg/L/yr6 years

See year-by-year chart →

Nearby Lakes in Orange County

Frequently asked questions about Lake Shadow

Where is Lake Shadow?

Lake Shadow 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 Lake Shadow?

Lake Shadow in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 5.9 ft visibility. Phosphorus: 15 µg/L.

Measurements on this page ↑

Is Lake Shadow safe to swim in?

Based on E. coli testing, Lake Shadow never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 44 samples across 4 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 Lake Shadow 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.

Swimming on this page ↑

What is the water temperature of Lake Shadow?

Lake Shadow typically sits around 78°F at the surface in October, from 61 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.

Temp on this page ↑

Where this data comes from

88 measurements from 1 monitoring station, 2022–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Submitting organization not recorded for these samples88 samples · 2022–2025
Monitoring station identifiers (1)

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.