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LakeQuality

Smith Lake Center

Clay County, FloridaView mapDirections

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

Clarity
4.6 ft
Typical for Florida
Secchi · sampled 2020
Phosphorus
7.5 µg/L
Less phosphorus than most
Measured by Florida DEP
Water temp
~78°F
Typical for Oct · EPA WQP
Max depth
~48 ft est.
GLOBathy model
  • Impaired · Oxygen depletion (low DO)
  • 48 ft max depth
  • Limited data

Smith Lake Center in Clay County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 4.6 ft visibility. Phosphorus: 7.5 µg/L.

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Smith Lake Center is a lake in Clay County, Florida with an estimated average depth of about 48 feet.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2020-08-20. Methodology: how these readings are compared.

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Smith Lake Center is listed impaired under Clean Water Act §303(d) (IR 5) for oxygen depletion (low DO). Check local advisories before you swim.

Whether Smith Lake Center 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.

Get alerts for Smith Lake Center →

Water quality measurements for Smith Lake Center

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

Murky, only visible to about 4.6 ft. Phosphorus 7.5 µg/L. TSI 44.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)4.6ftMeasured, not scored

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

Total phosphorus7.5µg/LMeasured, not scored

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

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.44Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Smith Lake Center

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

Water Temperature

Smith Lake Center typically sits around 78°F at the surface in October. Summer average is about 84°F. Usually warmest in Jul (about 84°F) and coldest in Jan (about 56°F). These are typical values by month — not a live reading.

56°
Jan
Feb
72°
Mar
Apr
75°
May
Jun
84°
Jul
83°
Aug
Sep
78°
Oct
Nov
Dec

Column height runs from this lake’s coldest month (56°F) to its warmest (84°F).

Typical surface water temperature by month, from 21 field readings (2019–2020) via the EPA Water Quality Portal. See the full Smith Lake Center water temperature breakdown →

Lake Details

Max depth

~48 ft est.

Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Florida has not published bathymetry for Smith Lake Center.

Lake Size & Watershed

Watershed (drainage) area

2 sq mi

HydroLAKES / HydroSHEDS

Surface area

52 acres

HydroLAKES / HydroSHEDS

Shoreline

1.3 mi

HydroLAKES / HydroSHEDS

Elevation

82 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.

Stays via Stay22

Stays near Smith Lake Center

Compare lakeside cabins, hotels, and vacation rentals near Smith Lake Center in Clay 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 Smith Lake Center

Prices for Oct 16–18, 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 Smith Lake Center

EPA Impairment Status

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

Causes of impairment

Oxygen depletion (low DO)

Designated uses not supporting: Aquatic life.

Source: EPA ATTAINS assessment unit FL2528A · Official waterbody report

Nearby Lakes in Clay County

Frequently asked questions about Smith Lake Center

Where is Smith Lake Center?

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

What is the water quality of Smith Lake Center?

Smith Lake Center in Clay County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 4.6 ft visibility. Phosphorus: 7.5 µg/L.

Measurements on this page ↑

Is Smith Lake Center safe to swim in?

Nutrient and algae readings are not a swimming clearance. Smith Lake Center is listed impaired under Clean Water Act §303(d) (IR 5) for oxygen depletion (low DO). Check local advisories before you swim.

Swimming on this page ↑

What is the water temperature of Smith Lake Center?

Smith Lake Center typically sits around 78°F at the surface in October, from 21 EPA Water Quality Portal field readings (2019–2020). That is a typical value for the month, not a live reading.

Temp on this page ↑

How deep is Smith Lake Center?

No published bathymetric survey covers Smith Lake Center, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 48 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.

Planning a trip around Castillo de San Marcos?

Smith Lake Center is about 39 miles from Castillo de San Marcos National Monument. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.

Best time to visit Castillo de San Marcos →

Where this data comes from

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

Collected and reported by

  • FL Dept. of Environmental Protection, Northeast District21FLA_WQX8 samples · 2020
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

Lake size & watershed from HydroLAKES (HydroSHEDS)