Lochloosa Lake
Alachua County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Lochloosa Lake. Here is what has been measured.
- Impaired · Nutrients (phosphorus, nitrogen)
- Limited data
Lochloosa Lake in Alachua County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 0.8 ft visibility. Phosphorus: 49 µg/L.
Lochloosa Lake is a lake in Alachua County, Florida. Water clarity is improving over recent sampling years. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2020-06-24. Methodology: how these readings are compared.
What Lochloosa Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Lochloosa Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Lochloosa 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 Lochloosa Lake
These are the measurements Florida DEP publishes for Lochloosa 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 0.8 ft of visibility. Phosphorus 49 µg/L. TSI 70.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 0.8ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 49µg/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. | 70 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Lochloosa Lake
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Lochloosa Harbor Fish CampSemi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
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Stays near Lochloosa Lake
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Fishing Lochloosa Lake
Water Quality Trend: Stable
Based on 5 years of monitoring (2020–2024).
Water clarity
Improving5 years
Phosphorus
Worsening+2.4 µg/L/yr5 years
EPA Impairment Status
Lochloosa 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, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL2738A · Official waterbody report
Nearby Lakes in Alachua County
Frequently asked questions about Lochloosa Lake
Where is Lochloosa Lake?
- Lochloosa Lake is a lake in Alachua County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Lochloosa Lake?
- Lochloosa Lake in Alachua County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 0.8 ft visibility. Phosphorus: 49 µg/L.
Is Lochloosa Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lochloosa Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Are there boat ramps on Lochloosa Lake?
- Lochloosa Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lochloosa Harbor Fish Camp.
Can I fish at Lochloosa Lake?
- Lochloosa Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Florida's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
2 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 District
21FLA_WQX2 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
Named boat-access points from the USGS National Boat Ramps inventory