Lkeweir Lake
Marion County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Lkeweir Lake. Here is what has been measured.
- Impaired · Algal growth
- Limited data
Lkeweir Lake in Marion County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 6.2 ft visibility. Phosphorus: 12 µg/L.
Lkeweir Lake is a lake in Marion County, Florida. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-06-26. Methodology: how these readings are compared.
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Lkeweir Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Lkeweir 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 Lkeweir Lake
These are the measurements Florida DEP publishes for Lkeweir Lake, 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 6.2 ft. Phosphorus 12 µg/L. TSI 45.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 6.2ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 12µg/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. | 45 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
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Fishing Lkeweir Lake
Water quality readings over time
3 seasons of samples on record (2022–2024). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving3 years
Phosphorus
Improving-0.75 µg/L/yr3 years
EPA Impairment Status
Lkeweir 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: Aquatic life, Fish consumption, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL2790A · Official waterbody report
Nearby Lakes in Marion County
Frequently asked questions about Lkeweir Lake
Where is Lkeweir Lake?
- Lkeweir Lake is a lake in Marion County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Lkeweir Lake?
- Lkeweir Lake in Marion County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 6.2 ft visibility. Phosphorus: 12 µg/L.
Is Lkeweir Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lkeweir Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
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Where this data comes from
2 measurements from 1 monitoring station, 2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FL Dept. of Environmental Protection
21FLGW_WQX2 samples · 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