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LakeQuality

Bradford South Lake

Leon County, FloridaView mapDirections

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

Phosphorus
21.4 µg/L
Typical for Florida
Measured by Florida DEP
Water temp
~77°F
Typical for Oct · EPA WQP
Type
Mesotrophic
Trophic class
Trend
Improving
5 years of samples
  • Mesotrophic
  • Impaired · Metals (other than mercury)
  • Limited data

Bradford South Lake in Leon County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Phosphorus: 21.4 µg/L.

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Bradford South Lake is a mesotrophic lake in Leon County, Florida. Overall water quality is improving over recent sampling years. Compared to the 58 other monitored lakes in Leon County, Bradford South Lake ranks #39 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-04-30. Methodology: how these readings are compared.

Swimming conditions

Readings only

Bacteria tested: low

Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

Bacteria testing record
from E. coli testing · 29 samples, 8 seasons

Based on E. coli testing, Bradford South Lake rarely exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 3.4% of 29 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.

Whether Bradford South 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 Bradford South Lake

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

No clarity data. Phosphorus 21.4 µg/L. TSI 48.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)No reading

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

Total phosphorus21.4µg/LGood
GoodFairPoor
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.48Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Bradford South Lake

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

Water Temperature

Bradford South Lake typically sits around 77°F at the surface in October. Summer average is about 88°F. Usually warmest in Jul (about 88°F) and coldest in Jan (about 51°F). These are typical values by month — not a live reading.

51°
Jan
58°
Feb
Mar
77°
Apr
78°
May
Jun
88°
Jul
88°
Aug
Sep
77°
Oct
70°
Nov
Dec

Column height runs from this lake’s coldest month (51°F) to its warmest (88°F).

Typical surface water temperature by month, from 43 field readings (2010–2025) via the EPA Water Quality Portal. See the full Bradford South Lake water temperature breakdown →

Stays via Stay22

Stays near Bradford South Lake

Compare lakeside cabins, hotels, and vacation rentals near Bradford South Lake in Leon 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 Bradford South Lake

Prices for Oct 9–11, 4 adults. Change dates on the map below.

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 →

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Fishing Bradford South Lake

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

  • Water clarity

    Improving

    5 years

  • Phosphorus

    Improving

    -1.15 µg/L/yr5 years

See year-by-year chart →

EPA Impairment Status

Bradford 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

Metals (other than mercury)pH / acidity

Designated uses not supporting: Aquatic life.

Source: EPA ATTAINS assessment unit FL878A · Official waterbody report

Nearby Lakes in Leon County

Frequently asked questions about Bradford South Lake

Where is Bradford South Lake?

Bradford South Lake is a lake in Leon County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.

What is the water quality of Bradford South Lake?

Bradford South Lake in Leon County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Phosphorus: 21.4 µg/L.

Measurements on this page ↑

Is Bradford South Lake safe to swim in?

Based on E. coli testing, Bradford South Lake rarely exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 3.4% of 29 samples across 8 seasons. That is a historical summary of past bacteria testing, not a current reading and not a swimming clearance. Bacteria levels can spike quickly after heavy rain, so whether Bradford South Lake is safe to swim in today is a call for Florida's water agency and the county health department; check their current beach advisories before you swim.

Swimming on this page ↑

What is the water temperature of Bradford South Lake?

Bradford South Lake typically sits around 77°F at the surface in October, from 43 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.

Temp on this page ↑

Where this data comes from

22 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Submitting organization not recorded for these samples22 samples · 2020–2025
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.

Other records on this page

Impairment status from EPA ATTAINS 303(d) database