Herlong Park Lake
Lake County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Herlong Park Lake. Here is what has been measured.
- Public access
- Limited data
Herlong Park Lake in Lake County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 3.3 ft visibility. Phosphorus: 219 µg/L.
Herlong Park Lake is a lake in Lake County, Florida. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2023-08-17. Methodology: how these readings are compared.
What Herlong Park Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Herlong Park 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 Herlong Park Lake
These are the measurements Florida DEP publishes for Herlong Park 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 3.3 ft of visibility. Phosphorus 219 µg/L. TSI 71.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 219µg/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. | 71 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Herlong Park Lake
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Herlong Park Public Boat RampPublic
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 Herlong Park Lake
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Fishing Herlong Park Lake
Water Quality Trend: Worsening
Based on 5 years of monitoring (2020–2024).
Water clarity
Worsening5 years
Phosphorus
Worsening+3 µg/L/yr5 years
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Herlong Park Lake under Clean Water Act (NPDES) discharge permits.
- Leesburg, City Of - Canal Street WwtfLeesburg · 0.3 mi away · NPDES FL0105066
- Cutrale Citrus SprayfieldLeesburg · 0.4 mi away · NPDES FL0105619
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in Lake County
Frequently asked questions about Herlong Park Lake
Where is Herlong Park Lake?
- Herlong Park 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 Herlong Park Lake?
- Herlong Park Lake in Lake County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 3.3 ft visibility. Phosphorus: 219 µg/L.
Is Herlong Park Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Herlong Park Lake?
- Herlong Park Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Herlong Park Public Boat Ramp. Public access is listed as yes.
Can I fish at Herlong Park Lake?
- Herlong Park 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 Herlong Park Lake across LakeQuality
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Where this data comes from
2 measurements from 1 monitoring station, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples2 samples · 2023
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Named boat-access points from the USGS National Boat Ramps inventory