Sfpndctref Lake
Union County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Sfpndctref Lake. Here is what has been measured.
- Impaired · Mercury
- Limited data
Sfpndctref Lake in Union County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 1 ft visibility. Phosphorus: 66.5 µg/L.
Sfpndctref Lake is a lake in Union County, Florida. Water clarity is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-11-06. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Sfpndctref Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Whether Sfpndctref 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.
Water quality measurements for Sfpndctref Lake
These are the measurements Florida DEP publishes for Sfpndctref Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 1 ft of visibility. Phosphorus 66.5 µg/L. TSI 71.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 66.5µg/L | Measured, 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. | 71 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Sfpndctref Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Sfpndctref Lake typically sits around 82°F at the surface in September. Summer average is about 85°F. Usually warmest in Jul (about 85°F) and coldest in Jan (about 52°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (52°F) to its warmest (85°F).
Typical surface water temperature by month, from 19 field readings (2012–2024) via the EPA Water Quality Portal. See the full Sfpndctref Lake water temperature breakdown →
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Fishing Sfpndctref Lake
Water Quality Trend: Stable
Based on 5 years of monitoring (2020–2024).
Water clarity
Improving5 years
Phosphorus
Worsening+1.92 µg/L/yr5 years
EPA Impairment Status
Sfpndctref Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL3530B · Official waterbody report
Nearby Lakes in Union County
Frequently asked questions about Sfpndctref Lake
Where is Sfpndctref Lake?
- Sfpndctref Lake is a lake in Union County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Sfpndctref Lake?
- Sfpndctref Lake in Union County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 1 ft visibility. Phosphorus: 66.5 µg/L.
Is Sfpndctref Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Sfpndctref Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
What is the water temperature of Sfpndctref Lake?
- Sfpndctref Lake typically sits around 82°F at the surface in September, from 19 EPA Water Quality Portal field readings (2012–2024). That is a typical value for the month, not a live reading.
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Where this data comes from
14 measurements from 1 monitoring station, 2023–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FL Dept. of Environmental Protection, Northeast District
21FLA_WQX14 samples · 2023–2024
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