Highlands-Glenada Lake
Highlands-Glenada Lake in Highlands County, Florida has a water quality grade of B (Good). Water clarity: 2.9 ft visibility. Phosphorus: 43 µg/L. Surface area: 176 acres.
- Clarity
- 2.9 ft
- Typical in August
- 86°F
- Area
- 176 acres
- Type
- Eutrophic
- Trend
- ↓ Declining
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Highlands-Glenada Lake is a 176-acre productive, nutrient-rich eutrophic lake in Highlands County, Florida. Water quality is graded B based on 1 sampling years through 2024. Overall water quality is declining over recent sampling years. Compared to the 72 other monitored lakes in Highlands County, Highlands-Glenada Lake ranks #22 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-09-30. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyLow algae
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.
Good for swimming, clear water with low algae levels
Water Quality Grade: B (Good)
Very murky, less than 2.9 ft of visibility. Phosphorus level: 43 µg/L. Trophic State Index: 60.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.9 ft | Not graded |
| Phosphorus | 43 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 60 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Highlands-Glenada Lake
Compare lakeside cabins, hotels, and vacation rentals near Highlands-Glenada Lake in Highlands 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.
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Water Temperature
Highlands-Glenada Lake typically sits around 86°F at the surface in August. Summer average is about 85°F. Usually warmest in Jul (about 86°F) and coldest in Jan (about 63°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 71 field readings (2020–2024) via the EPA Water Quality Portal. See the full Highlands-Glenada Lake water temperature breakdown →
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 176 acres |
No bathymetric survey has been published for Highlands-Glenada Lake, so its depth is not documented here.
Fishing Highlands-Glenada Lake
Water Quality Trend: ↓ Declining
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.13 m/yr | 5 |
| Phosphorus | ↓ Declining | +1.25 µg/L/yr | 5 |
Reservoir Info (USACE NID)
Highlands-Glenada Lake is a man-made reservoir impounded by the Lake Glenda Dam, built primarily for recreation on the Lake Lelia; earth-type dam, 9 ft tall and 80 ft long.
- Surface area
- 176 ac
- Normal storage
- 352 ac-ft
- Max storage
- 975 ac-ft
- Hazard class
- Significant
- Owner
- SOUTH FLORIDA COMMUNITY
Source: USACE National Inventory of Dams, NID ID FL25500 · Operator website · Matched by proximity (0.62 km)
EPA Impairment Status
Highlands-Glenada Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL1813L · Official waterbody report · Matched by proximity (0.1 km)
County Ranking
Ranked #22 of 73 lakes in Highlands County
Nearby Lakes in Highlands County
Frequently asked questions about Highlands-Glenada Lake
Where is Highlands-Glenada Lake?
- Highlands-Glenada Lake is a lake in Highlands County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Highlands-Glenada Lake?
- Highlands-Glenada Lake in Highlands County, Florida has a water quality grade of B (Good). Water clarity: 2.9 ft visibility. Phosphorus: 43 µg/L. Surface area: 176 acres.
Is Highlands-Glenada Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Highlands-Glenada Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
What is the water temperature of Highlands-Glenada Lake?
- Highlands-Glenada Lake typically sits around 86°F at the surface in August, from 71 EPA Water Quality Portal field readings (2020–2024). That is a typical value for the month, not a live reading.
Explore Highlands-Glenada Lake across LakeQuality
More Florida Lake Rankings
Other Grade B Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
168 measurements from 3 monitoring stations, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX168 samples · 2020–2024
Monitoring station identifiers (3)
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