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LakeQuality

Sherwood South Lake

B
Grade B — Good
Good · #251 of 320 lakes in the county · 4.4 ft clear · Eutrophic · from C
Eutrophic

Sherwood South Lake in Orange County, Florida has a water quality grade of B (Good). Water clarity: 4.4 ft visibility. Phosphorus: 17.5 µg/L.

Clarity
4.4 ft
Typical in August
85°F
Type
Eutrophic
Trend
Improving

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Sherwood South 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, Sherwood South Lake ranks #251 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-03-25. 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, Sherwood South 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 Sherwood South Lake

Water Quality Grade: B (Good)

Murky, only visible to about 4.4 ft. Phosphorus level: 17.5 µg/L. Trophic State Index: 51.

MetricValueGrade
Water Clarity (Secchi Depth)4.4 ftNot graded
Phosphorus17.5 µg/LGood
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)51Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Sherwood South Lake

Compare lakeside cabins, hotels, and vacation rentals near Sherwood South 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 Sherwood South 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

Sherwood South Lake typically sits around 85°F at the surface in August. Summer average is about 85°F. Usually warmest in Aug (about 85°F) and coldest in Dec (about 68°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
71°
Apr
May
Jun
84°
Jul
Aug
85°
Sep
84°
Oct
77°
Nov
69°
Dec
68°

Typical surface water temperature by month, from 26 field readings (20102025) via the EPA Water Quality Portal. See the full Sherwood South Lake water temperature breakdown →

Fishing Sherwood South Lake

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

MetricTrendChange/YearYears
Water Clarity Improving+0.752 m/yr5
Phosphorus Improving-4.5 µg/L/yr5
See year-by-year chart →

EPA Impairment Status

Sherwood South Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).

Causes of impairment

Algal growthImpaired biota (cause unknown)

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

Source: EPA ATTAINS assessment unit FL3002G · Official waterbody report · Matched by proximity (1.37 km)

County Ranking

Ranked #251 of 320 lakes in Orange County

Nearby Lakes in Orange County

Frequently asked questions about Sherwood South Lake

Where is Sherwood South Lake?

Sherwood South 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 Sherwood South Lake?

Sherwood South Lake in Orange County, Florida has a water quality grade of B (Good). Water clarity: 4.4 ft visibility. Phosphorus: 17.5 µg/L.

Is Sherwood South Lake safe to swim in?

Based on E. coli testing, Sherwood South 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. Sherwood South 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 Sherwood South Lake?

Sherwood South Lake typically sits around 85°F at the surface in August, from 26 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