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LakeQuality

Reams Lake

B
Grade B — Good
Good · #250 of 320 lakes in the county · 2.5 ft clear · Eutrophic · from C
Eutrophic

Reams Lake in Orange County, Florida has a water quality grade of B (Good). Water clarity: 2.5 ft visibility. Phosphorus: 18.5 µg/L.

Clarity
2.5 ft
Typical in September
84°F
Type
Eutrophic
Trend
Improving

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Reams 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 improving over recent sampling years. Compared to the 319 other monitored lakes in Orange County, Reams Lake ranks #250 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 · 16 samples, 5 seasons

Based on E. coli testing, Reams Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 16 samples across 5 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 Reams Lake

Water Quality Grade: B (Good)

Very murky, less than 2.5 ft of visibility. Phosphorus level: 18.5 µg/L. Trophic State Index: 55.

MetricValueGrade
Water Clarity (Secchi Depth)2.5 ftNot graded
Phosphorus18.5 µg/LGood
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)55Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Reams Lake

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

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 →

Water Temperature

Reams Lake typically sits around 84°F at the surface in September. Summer average is about 84°F. Usually warmest in Jun (about 84°F) and coldest in Dec (about 66°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
71°
Apr
May
83°
Jun
84°
Jul
Aug
Sep
84°
Oct
Nov
Dec
66°

Typical surface water temperature by month, from 37 field readings (20102025) via the EPA Water Quality Portal. See the full Reams Lake water temperature breakdown →

Fishing Reams Lake

Based on 3 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Improving+0.05 m/yr3
Phosphorus Improving-4 µg/L/yr3

County Ranking

Ranked #250 of 320 lakes in Orange County

Nearby Lakes in Orange County

Frequently asked questions about Reams Lake

Where is Reams Lake?

Reams 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 Reams Lake?

Reams Lake in Orange County, Florida has a water quality grade of B (Good). Water clarity: 2.5 ft visibility. Phosphorus: 18.5 µg/L.

Is Reams Lake safe to swim in?

Based on E. coli testing, Reams Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 16 samples across 5 seasons. That works out to a bacteria swim-safety grade of A — a historical summary of past testing, not a current reading. Reams 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 Reams Lake?

Reams Lake typically sits around 84°F at the surface in September, from 37 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

36 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 samples36 samples · 2022–2025
Monitoring station identifiers (1)

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.