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LakeQuality

Sand Lake

B
Grade B — Good
Good · #247 of 320 lakes in the county · 5.9 ft clear · Mesotrophic
Mesotrophic

Sand Lake in Orange County, Florida has a water quality grade of B (Good). Water clarity: 5.9 ft visibility. Phosphorus: 14 µg/L.

Clarity
5.9 ft
Typical in August
86°F
Type
Mesotrophic
Trend
Stable

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Sand Lake is a mesotrophic lake in Orange County, Florida. Water quality is graded B based on 1 sampling years through 2025. Water clarity is declining over recent sampling years. Compared to the 319 other monitored lakes in Orange County, Sand Lake ranks #247 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-03-20. 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 · 17 samples, 5 seasons

Based on E. coli testing, Sand Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 17 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 Sand Lake

Water Quality Grade: B (Good)

Murky, only visible to about 5.9 ft. Phosphorus level: 14 µg/L. Trophic State Index: 47.

MetricValueGrade
Water Clarity (Secchi Depth)5.9 ftNot graded
Phosphorus14 µg/LGood
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)47Mesotrophic

Moderate nutrients, good water quality

Where to stay near Sand Lake

Compare lakeside cabins, hotels, and vacation rentals near Sand 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 Sand 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

Sand Lake typically sits around 86°F at the surface in August. Summer average is about 86°F. Usually warmest in Jul (about 87°F) and coldest in Feb (about 64°F). These are typical values by month — not a live reading.

Jan
Feb
64°
Mar
69°
Apr
May
81°
Jun
85°
Jul
87°
Aug
86°
Sep
83°
Oct
79°
Nov
71°
Dec
64°

Typical surface water temperature by month, from 36 field readings (20102025) via the EPA Water Quality Portal. See the full Sand Lake water temperature breakdown →

Fishing Sand Lake

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

MetricTrendChange/YearYears
Water Clarity Declining-0.2 m/yr3
Phosphorus Improving-7.75 µg/L/yr3

EPA Impairment Status

Sand Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).

Causes of impairment

MercuryNutrients (phosphorus, nitrogen)Oxygen depletion (low DO)

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit FL2956C · Official waterbody report · Matched by proximity (1.58 km)

County Ranking

Ranked #247 of 320 lakes in Orange County

Nearby Lakes in Orange County

Frequently asked questions about Sand Lake

Where is Sand Lake?

Sand 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 Sand Lake?

Sand Lake in Orange County, Florida has a water quality grade of B (Good). Water clarity: 5.9 ft visibility. Phosphorus: 14 µg/L.

Is Sand Lake safe to swim in?

Based on E. coli testing, Sand Lake never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 17 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. Sand 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 Sand Lake?

Sand Lake typically sits around 86°F at the surface in August, from 36 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

39 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 samples39 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.

Other records on this page

Impairment status from EPA ATTAINS 303(d) database