Harrislkwsh Lake
Lake County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Harrislkwsh Lake. Here is what has been measured.
- Eutrophic
- Impaired · Nutrients (phosphorus, nitrogen)
- Public access
Harrislkwsh Lake in Lake County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 2.6 ft visibility. Phosphorus: 42.5 µg/L.
Harrislkwsh 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, Harrislkwsh Lake ranks #44 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-08-26. Methodology: how these readings are compared.
What Harrislkwsh 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.
Based on E. coli testing, Harrislkwsh Lake rarely exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 2.3% of 44 samples across 6 seasons.
This is a historical summary of past testing, not a current condition — bacteria levels change quickly, especially after rain. Always check Florida’s current beach and health-department advisories before swimming.
Whether Harrislkwsh 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 Harrislkwsh Lake
These are the measurements Florida DEP publishes for Harrislkwsh 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 2.6 ft of visibility. Phosphorus 42.5 µg/L. TSI 61.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.6ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 42.5µg/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. | 61 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Harrislkwsh Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Harrislkwsh Lake typically sits around 73°F at the surface in October. Summer average is about 84°F. Usually warmest in Jul (about 86°F) and coldest in Jan (about 59°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (59°F) to its warmest (86°F).
Typical surface water temperature by month, from 50 field readings (2020–2025) via the EPA Water Quality Portal. See the full Harrislkwsh Lake water temperature breakdown →
Recreation & Access
- Singletary Park Boat RampPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Harrislkwsh Lake
Compare lakeside cabins, hotels, and vacation rentals near Harrislkwsh 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 Harrislkwsh Lake
Prices for Oct 16–18, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip? Cabins and lodging at Harrislkwsh Lake → · more Florida lake trips
Follow Harrislkwsh Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Harrislkwsh Lake
Water Quality Trend: Stable
Based on 4 years of monitoring (2022–2025).
Water clarity
Worsening4 years
Phosphorus
Improving-4.2 µg/L/yr4 years
EPA Impairment Status
Harrislkwsh 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 FL2838A · Official waterbody report
Nearby Lakes in Lake County
Frequently asked questions about Harrislkwsh Lake
Where is Harrislkwsh Lake?
- Harrislkwsh 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 Harrislkwsh Lake?
- Harrislkwsh Lake in Lake County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 2.6 ft visibility. Phosphorus: 42.5 µg/L.
Is Harrislkwsh Lake safe to swim in?
- Based on E. coli testing, Harrislkwsh Lake rarely exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 2.3% of 44 samples across 6 seasons. That is a historical summary of past bacteria testing, not a current reading and not a swimming clearance. Bacteria levels can spike quickly after heavy rain, so whether Harrislkwsh Lake is safe to swim in today is a call for Florida's water agency and the county health department; check their current beach advisories before you swim.
What is the water temperature of Harrislkwsh Lake?
- Harrislkwsh Lake typically sits around 73°F at the surface in October, from 50 EPA Water Quality Portal field readings (2020–2025). That is a typical value for the month, not a live reading.
Are there boat ramps on Harrislkwsh Lake?
- Harrislkwsh Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Singletary Park Boat Ramp. Public access is listed as yes.
Can I fish at Harrislkwsh Lake?
- Harrislkwsh 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 Harrislkwsh Lake across LakeQuality
More lakes in Florida
Other Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
100 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples100 samples · 2020–2025
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
Named boat-access points from the USGS National Boat Ramps inventory