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LakeQuality

Pnthrwst Lake

Orange County, FloridaView mapDirections

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

Clarity
8.4 ft
Clearer than most
Secchi · sampled 2021
Phosphorus
10.5 µg/L
Less phosphorus than most
Measured by Florida DEP
Water temp
~72°F
Typical for Nov · EPA WQP
Trend
Worsening
5 years of samples
  • Limited data

Pnthrwst Lake in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 8.4 ft visibility. Phosphorus: 10.5 µg/L.

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Pnthrwst Lake is a lake in Orange County, Florida. Overall water quality is declining over recent sampling years.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2021-06-23. Methodology: how these readings are compared.

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Pnthrwst 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.

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Water quality measurements for Pnthrwst Lake

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

Moderate clarity, visible to about 8.4 ft. Phosphorus 10.5 µg/L. TSI 42.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)8.4ftMeasured, not scored

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

Total phosphorus10.5µg/LMeasured, not scored

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

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.42Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Pnthrwst Lake

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

Water Temperature

Pnthrwst Lake typically sits around 72°F at the surface in November. Summer average is about 84°F. Usually warmest in Jun (about 84°F) and coldest in Feb (about 60°F). These are typical values by month — not a live reading.

Jan
60°
Feb
69°
Mar
Apr
78°
May
84°
Jun
84°
Jul
Aug
Sep
Oct
72°
Nov
67°
Dec

Column height runs from this lake’s coldest month (60°F) to its warmest (84°F).

Typical surface water temperature by month, from 20 field readings (2019–2021) via the EPA Water Quality Portal. See the full Pnthrwst Lake water temperature breakdown →

Stays via Stay22

Stays near Pnthrwst Lake

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

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

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Fishing Pnthrwst Lake

Based on 5 years of monitoring (2020–2024).

  • Water clarity

    Worsening

    5 years

  • Phosphorus

    Worsening

    +0.85 µg/L/yr5 years

See year-by-year chart →

Nearby Lakes in Orange County

Frequently asked questions about Pnthrwst Lake

Where is Pnthrwst Lake?

Pnthrwst 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 Pnthrwst Lake?

Pnthrwst Lake in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 8.4 ft visibility. Phosphorus: 10.5 µg/L.

Measurements on this page ↑

Is Pnthrwst Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

What is the water temperature of Pnthrwst Lake?

Pnthrwst Lake typically sits around 72°F at the surface in November, from 20 EPA Water Quality Portal field readings (2019–2021). That is a typical value for the month, not a live reading.

Temp on this page ↑

Where this data comes from

8 measurements from 1 monitoring station, 2020–2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Submitting organization not recorded for these samples8 samples · 2020–2021
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.