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LakeQuality

Hrglasslk Lake

D
Grade D — Nutrient-rich
Nutrient-rich · #289 of 320 lakes in the county · 2.6 ft clear · Eutrophic
Eutrophic

Hrglasslk Lake in Orange County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 2.6 ft visibility. Phosphorus: 62 µg/L.

Clarity
2.6 ft
Typical in August
87°F
Type
Eutrophic
Trend
Declining

Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Hrglasslk Lake

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Hrglasslk Lake is a productive, nutrient-rich eutrophic lake in Orange County, Florida. Water quality is graded D based on 1 sampling years through 2024. Overall water quality is declining over recent sampling years. Compared to the 319 other monitored lakes in Orange County, Hrglasslk Lake ranks #289 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-11-19. Grade methodology: LakeQuality methodology.

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Swimming Safety

Grade only

Elevated nutrients

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.

Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum

Get alerts for Hrglasslk Lake

Water Quality Grade: D (Nutrient-rich)

Very murky, less than 2.6 ft of visibility. Phosphorus level: 62 µg/L. Trophic State Index: 63.

MetricValueGrade
Water Clarity (Secchi Depth)2.6 ftNot graded
Phosphorus62 µg/LPoor
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)63Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Hrglasslk Lake

Compare lakeside cabins, hotels, and vacation rentals near Hrglasslk Lake in Orange 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Hrglasslk Lake are listed below.

Top-rated places to stay near Hrglasslk Lake

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 whole trip? See where to stay at Florida’s top lakes →

Water Temperature

Hrglasslk Lake typically sits around 87°F at the surface in August. Summer average is about 86°F. Usually warmest in Aug (about 87°F) and coldest in Jan (about 62°F). These are typical values by month — not a live reading.

Jan
62°
Feb
63°
Mar
72°
Apr
76°
May
86°
Jun
85°
Jul
86°
Aug
87°
Sep
84°
Oct
82°
Nov
73°
Dec

Typical surface water temperature by month, from 71 field readings (20202024) via the EPA Water Quality Portal. See the full Hrglasslk Lake water temperature breakdown →

Fishing Hrglasslk Lake

Based on 6 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Declining-0.181 m/yr6
Phosphorus Stable+0.37 µg/L/yr6
See year-by-year chart →

EPA Impairment Status

Hrglasslk Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).

Causes of impairment

Algal growth

Source: EPA ATTAINS assessment unit FL3168X2 · Official waterbody report · Matched by proximity (0.07 km)

County Ranking

Ranked #289 of 320 lakes in Orange County

Nearby Lakes With Higher Grades

Hrglasslk Lake holds Grade D. 3 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.

See full comparison →

Nearby Lakes in Orange County

Frequently asked questions about Hrglasslk Lake

Where is Hrglasslk Lake?

Hrglasslk Lake is a lake in Orange County, Florida. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.

What is the water quality grade for Hrglasslk Lake?

Hrglasslk Lake in Orange County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 2.6 ft visibility. Phosphorus: 62 µg/L.

Is Hrglasslk Lake safe to swim in?

Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Hrglasslk Lake has a water quality grade of D (Nutrient-rich). Always check local health department advisories before swimming.

What is the water temperature of Hrglasslk Lake?

Hrglasslk Lake typically sits around 87°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.

Where this data comes from

50 measurements from 1 monitoring station, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Submitting organization not recorded for these samples50 samples · 2020–2024
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