Lyc Lake
Lake County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Lyc Lake. Here is what has been measured.
- Eutrophic
- Impaired · Mercury
- Public access
Lyc Lake in Lake County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 4.6 ft visibility. Phosphorus: 20 µg/L.
Lyc Lake is a productive, nutrient-rich eutrophic lake in Lake County, Florida. Water clarity is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 127 other monitored lakes in Lake County, Lyc Lake ranks #22 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-05-19. Methodology: how these readings are compared.
What Lyc Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
Readings onlyRecreation use not supported
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Lyc Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Lyc 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 Lyc Lake
These are the measurements Florida DEP publishes for Lyc 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 4.6 ft. Phosphorus 20 µg/L. TSI 51.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4.6ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 20µg/L | Good GoodFairPoor |
| 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. | 51 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lyc Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Lyc Lake typically sits around 77°F at the surface in October. Summer average is about 86°F. Usually warmest in Jul (about 87°F) and coldest in Dec (about 56°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (56°F) to its warmest (87°F).
Typical surface water temperature by month, from 155 field readings (2010–2025) via the EPA Water Quality Portal. See the full Lyc Lake water temperature breakdown →
Recreation & Access
- Lake Yale EastPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Lyc Lake
Compare lakeside cabins, hotels, and vacation rentals near Lyc Lake in Lake 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 Lyc Lake
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Fishing Lyc Lake
Water Quality Trend: Stable
Based on 5 years of monitoring (2020–2024).
Water clarity
Worsening5 years
Phosphorus
Improving-1.62 µg/L/yr5 years
EPA Impairment Status
Lyc 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 FL2807A · Official waterbody report
Nearby Lakes in Lake County
Frequently asked questions about Lyc Lake
Where is Lyc Lake?
- Lyc Lake is a lake in Lake County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Lyc Lake?
- Lyc Lake in Lake County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 4.6 ft visibility. Phosphorus: 20 µg/L.
Is Lyc Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lyc Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
What is the water temperature of Lyc Lake?
- Lyc Lake typically sits around 77°F at the surface in October, from 155 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.
Are there boat ramps on Lyc Lake?
- Lyc Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Yale East. Public access is listed as yes.
Can I fish at Lyc Lake?
- Lyc 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.
Explore Lyc Lake across LakeQuality
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Where this data comes from
92 measurements from 2 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- St. Johns River Water Management District
21FLSJWM_WQX88 samples · 2020–2025 - Submitting organization not recorded for these samples4 samples · 2024–2025
Some records reached the portal without a submitting organization. Those samples are counted above but not attributed.
Monitoring station identifiers (2)
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