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LakeQuality

Speer Lake

B
Grade B — Good
Good · #178 of 320 lakes in the county · 2.6 ft clear · Eutrophic · from D
Eutrophic

Speer Lake in Orange County, Florida has a water quality grade of B (Good). Water clarity: 2.6 ft visibility. Phosphorus: 26 µg/L.

Clarity
2.6 ft
Typical in August
86°F
Type
Eutrophic
Trend
Declining

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Speer Lake is a productive, nutrient-rich eutrophic lake in Orange County, Florida. Water quality is graded B based on 1 sampling years through 2025. Overall water quality is declining over recent sampling years. Compared to the 319 other monitored lakes in Orange County, Speer Lake ranks #178 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-03-27. Grade methodology: LakeQuality methodology.

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Swimming Safety

Grade only

Bacteria A

Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

A
Bacteria swim-safety grade: A
from E. coli testing · 30 samples, 8 seasons

Based on E. coli testing, Speer Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 30 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.

Get alerts for Speer Lake

Water Quality Grade: B (Good)

Very murky, less than 2.6 ft of visibility. Phosphorus level: 26 µg/L. Trophic State Index: 57.

MetricValueGrade
Water Clarity (Secchi Depth)2.6 ftNot graded
Phosphorus26 µg/LGood
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)57Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Speer Lake

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

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

Water Temperature

Speer Lake typically sits around 86°F at the surface in August. Summer average is about 86°F. Usually warmest in Jul (about 86°F) and coldest in Dec (about 65°F). These are typical values by month — not a live reading.

Jan
Feb
66°
Mar
71°
Apr
76°
May
Jun
85°
Jul
86°
Aug
86°
Sep
84°
Oct
80°
Nov
75°
Dec
65°

Typical surface water temperature by month, from 55 field readings (20102025) via the EPA Water Quality Portal. See the full Speer Lake water temperature breakdown →

Fishing Speer Lake

Based on 5 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Declining-0.21 m/yr5
Phosphorus Declining+1.75 µg/L/yr5
See year-by-year chart →

County Ranking

Ranked #178 of 320 lakes in Orange County

Nearby Lakes in Orange County

Frequently asked questions about Speer Lake

Where is Speer Lake?

Speer Lake is a lake in Orange County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.

What is the water quality grade for Speer Lake?

Speer Lake in Orange County, Florida has a water quality grade of B (Good). Water clarity: 2.6 ft visibility. Phosphorus: 26 µg/L.

Is Speer Lake safe to swim in?

Based on E. coli testing, Speer Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 30 samples across 8 seasons. That works out to a bacteria swim-safety grade of A — a historical summary of past testing, not a current reading. Speer Lake has a water quality grade of B (Good). Bacteria levels can spike quickly after heavy rain, so always check Florida's current beach and health-department advisories before you swim.

What is the water temperature of Speer Lake?

Speer Lake typically sits around 86°F at the surface in August, from 55 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.

Where this data comes from

96 measurements from 5 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 samples57 samples · 2020–2025
  • Submitting organization not recorded for these samples39 samples · 2021–2023
Monitoring station identifiers (5)

Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.