Haynes Ck @ Eustis Lake
Haynes Ck @ Eustis Lake in Lake County, Florida has a water quality grade of B (Good). Water clarity: 2.3 ft visibility. Phosphorus: 39 µg/L.
- Clarity
- 2.3 ft
- Typical in August
- 84°F
- Type
- Eutrophic
- Trend
- ↑ Improving
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Haynes Ck @ Eustis Lake is a productive, nutrient-rich eutrophic lake in Lake County, Florida. Water quality is graded B based on 1 sampling years through 2025. Overall water quality is improving over recent sampling years. Public access is available with 3 public boat landings. Compared to the 127 other monitored lakes in Lake County, Haynes Ck @ Eustis Lake ranks #87 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-08-27. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyBacteria C
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, Haynes Ck @ Eustis Lake occasionally exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 5% of 20 samples across 3 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 2.3 ft of visibility. Phosphorus level: 39 µg/L. Trophic State Index: 61.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.3 ft | Not graded |
| Phosphorus | 39 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 Haynes Ck @ Eustis Lake
Compare lakeside cabins, hotels, and vacation rentals near Haynes Ck @ Eustis 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 Haynes Ck @ Eustis Lake
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Water Temperature
Haynes Ck @ Eustis Lake typically sits around 84°F at the surface in August. Summer average is about 86°F. Usually warmest in Jul (about 87°F) and coldest in Jan (about 60°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 22 field readings (2023–2025) via the EPA Water Quality Portal. See the full Haynes Ck @ Eustis Lake water temperature breakdown →
Recreation & Access
- Gator Bay MarinaSemi-private
- Black Bass Fishing ResortSemi-private
- Haines Creek RV VillageSemi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Haynes Ck @ Eustis Lake
Water Quality Trend: ↑ Improving
Based on 4 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | +0.006 m/yr | 4 |
| Phosphorus | ↑ Improving | -9.17 µg/L/yr | 4 |
EPA Impairment Status
Haynes Ck @ Eustis Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit FL2817A1 · Official waterbody report · Matched by proximity (1.2 km)
County Ranking
Ranked #87 of 128 lakes in Lake County
Nearby Lakes in Lake County
Frequently asked questions about Haynes Ck @ Eustis Lake
Where is Haynes Ck @ Eustis Lake?
- Haynes Ck @ Eustis 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 Haynes Ck @ Eustis Lake?
- Haynes Ck @ Eustis Lake in Lake County, Florida has a water quality grade of B (Good). Water clarity: 2.3 ft visibility. Phosphorus: 39 µg/L.
Is Haynes Ck @ Eustis Lake safe to swim in?
- Based on E. coli testing, Haynes Ck @ Eustis Lake occasionally exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 5% of 20 samples across 3 seasons. That works out to a bacteria swim-safety grade of C — a historical summary of past testing, not a current reading. Haynes Ck @ Eustis 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 Haynes Ck @ Eustis Lake?
- Haynes Ck @ Eustis Lake typically sits around 84°F at the surface in August, from 22 EPA Water Quality Portal field readings (2023–2025). That is a typical value for the month, not a live reading.
Are there boat ramps on Haynes Ck @ Eustis Lake?
- Haynes Ck @ Eustis Lake has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Gator Bay Marina, Black Bass Fishing Resort, Haines Creek RV Village.
Explore Haynes Ck @ Eustis Lake across LakeQuality
More Florida Lake Rankings
Other Grade B Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
45 measurements from 1 monitoring station, 2023–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples45 samples · 2023–2025
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