Harrislkwsh Lake
Harrislkwsh Lake in Lake County, Florida has a water quality grade of B (Good). Water clarity: 2.6 ft visibility. Phosphorus: 42.5 µg/L.
- Clarity
- 2.6 ft
- Typical in August
- 84°F
- Type
- Eutrophic
- Trend
- → Stable
- Public access
- Yes
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Harrislkwsh Lake is a productive, nutrient-rich eutrophic lake in Lake County, Florida. Water quality is graded B based on 1 sampling years through 2025. 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. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyBacteria B
Based on clarity and algae grades from past sampling — we do not hold 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.
Water Quality Grade: B (Good)
Very murky, less than 2.6 ft of visibility. Phosphorus level: 42.5 µg/L. Trophic State Index: 61.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.6 ft | Not graded |
| Phosphorus | 42.5 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 61 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay 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
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Planning a trip? Cabins and lodging at Harrislkwsh Lake → · more Florida lake trips
Water Temperature
Harrislkwsh Lake typically sits around 84°F at the surface in August. 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.
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
Fishing Harrislkwsh Lake
Water Quality Trend: → Stable
Based on 4 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.03 m/yr | 4 |
| Phosphorus | ↑ Improving | -4.2 µg/L/yr | 4 |
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
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL2832A · Official waterbody report · Matched by proximity (2.94 km)
County Ranking
Ranked #44 of 128 lakes in Lake County
Nearby Lakes in Lake County
Frequently asked questions about Harrislkwsh Lake
Where is Harrislkwsh Lake?
- Harrislkwsh Lake is a lake in Lake County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Harrislkwsh Lake?
- Harrislkwsh Lake in Lake County, Florida has a water quality grade of B (Good). 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 works out to a bacteria swim-safety grade of B — a historical summary of past testing, not a current reading. Harrislkwsh Lake has a water quality grade of B (Good). Bacteria levels can spike quickly after heavy rain, so always check Florida's current beach and health-department advisories before you swim.
What is the water temperature of Harrislkwsh Lake?
- Harrislkwsh Lake typically sits around 84°F at the surface in August, 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.
Explore Harrislkwsh Lake across LakeQuality
More Florida Lake Rankings
Other Grade B 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)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated 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