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LakeQuality

Lkmrion Lake

B
Grade B — Good
Good · #90 of 122 lakes in the county · 2 ft clear · Eutrophic · from D
Limited DataEutrophic

Lkmrion Lake in Seminole County, Florida has a water quality grade of B (Good). Water clarity: 2 ft visibility. Phosphorus: 38 µg/L.

Clarity
2 ft
Typical in August
88°F
Type
Eutrophic
Trend
Declining

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Lkmrion Lake is a productive, nutrient-rich eutrophic lake in Seminole County, Florida. Water quality is graded B based on 1 sampling years through 2025. Overall water quality is declining over recent sampling years. Compared to the 121 other monitored lakes in Seminole County, Lkmrion Lake ranks #90 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-10-02. Grade methodology: LakeQuality methodology.

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Swimming Safety

Grade only

Limited data

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

Get alerts for Lkmrion Lake

Water Quality Grade: B (Good)

Very murky, less than 2 ft of visibility. Phosphorus level: 38 µg/L. Trophic State Index: 62.

MetricValueGrade
Water Clarity (Secchi Depth)2 ftNot graded
Phosphorus38 µg/LGood
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)62Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Lkmrion Lake

Compare lakeside cabins, hotels, and vacation rentals near Lkmrion Lake in Seminole 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 Lkmrion 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

Lkmrion Lake typically sits around 88°F at the surface in August. Summer average is about 88°F. Usually warmest in Aug (about 88°F) and coldest in Jan (about 64°F). These are typical values by month — not a live reading.

Jan
64°
Feb
70°
Mar
Apr
78°
May
84°
Jun
87°
Jul
Aug
88°
Sep
Oct
81°
Nov
69°
Dec

Typical surface water temperature by month, from 36 field readings (20122025) via the EPA Water Quality Portal. See the full Lkmrion Lake water temperature breakdown →

Fishing Lkmrion Lake

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

MetricTrendChange/YearYears
Water Clarity Declining-0.1 m/yr6
Phosphorus Declining+1.99 µg/L/yr6
See year-by-year chart →

EPA Impairment Status

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

Causes of impairment

Impaired biota (cause unknown)

Source: EPA ATTAINS assessment unit FL2998D · Official waterbody report · Matched by proximity (0.1 km)

County Ranking

Ranked #90 of 122 lakes in Seminole County

Nearby Lakes in Seminole County

Frequently asked questions about Lkmrion Lake

Where is Lkmrion Lake?

Lkmrion Lake is a lake in Seminole County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.

What is the water quality grade for Lkmrion Lake?

Lkmrion Lake in Seminole County, Florida has a water quality grade of B (Good). Water clarity: 2 ft visibility. Phosphorus: 38 µg/L.

Is Lkmrion Lake safe to swim in?

Good for swimming, clear water with low algae levels. Lkmrion Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.

What is the water temperature of Lkmrion Lake?

Lkmrion Lake typically sits around 88°F at the surface in August, from 36 EPA Water Quality Portal field readings (2012–2025). That is a typical value for the month, not a live reading.

Where this data comes from

32 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 samples32 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