Marionlevy Lake
Levy County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Marionlevy Lake. Here is what has been measured.
- Impaired · Oxygen depletion (low DO)
- Limited data
Marionlevy Lake in Levy County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 0.7 ft visibility. Phosphorus: 900 µg/L.
Marionlevy Lake is a lake in Levy County, Florida. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-08-06. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Marionlevy Lake is listed impaired under Clean Water Act §303(d) (IR 5) for oxygen depletion (low DO). Check local advisories before you swim.
Whether Marionlevy 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 Marionlevy Lake
These are the measurements Florida DEP publishes for Marionlevy 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 0.7 ft of visibility. Phosphorus 900 µg/L. TSI 93.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 0.7ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 900µg/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. | 93 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
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Answers come straight from the public measurements and survey records on this page.
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Fishing Marionlevy Lake
Water quality readings over time
2 seasons of samples on record (2024–2025). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Worsening2 years
Phosphorus
Worsening+880.5 µg/L/yr2 years
EPA Impairment Status
Marionlevy Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life.
Source: EPA ATTAINS assessment unit FL3731A · Official waterbody report
Nearby Lakes in Levy County
Frequently asked questions about Marionlevy Lake
Where is Marionlevy Lake?
- Marionlevy Lake is a lake in Levy County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Marionlevy Lake?
- Marionlevy Lake in Levy County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 0.7 ft visibility. Phosphorus: 900 µg/L.
Is Marionlevy Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Marionlevy Lake is listed impaired under Clean Water Act §303(d) (IR 5) for oxygen depletion (low DO). Check local advisories before you swim.
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Where this data comes from
10 measurements from 1 monitoring station, 2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples10 samples · 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