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LakeQuality

Clear Lake North

B
Grade B — Good
Good · #55 of 320 lakes in the county · 3.4 ft clear · Eutrophic · from C
Limited DataEutrophic

Clear Lake North in Orange County, Florida has a water quality grade of B (Good). Water clarity: 3.4 ft visibility. Phosphorus: 20 µg/L.

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

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Clear Lake North is a productive, nutrient-rich eutrophic lake in Orange 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 319 other monitored lakes in Orange County, Clear Lake North ranks #55 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-04-24. Grade methodology: LakeQuality methodology.

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Swimming Safety

Grade only

Bacteria A

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.

A
Bacteria swim-safety grade: A
from E. coli testing · 25 samples, 7 seasons

Based on E. coli testing, Clear Lake North never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 25 samples across 7 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.

Get alerts for Clear Lake North

Water Quality Grade: B (Good)

Murky, only visible to about 3.4 ft. Phosphorus level: 20 µg/L. Trophic State Index: 53.

MetricValueGrade
Water Clarity (Secchi Depth)3.4 ftNot graded
Phosphorus20 µg/LGood
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)53Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Clear Lake North

Compare lakeside cabins, hotels, and vacation rentals near Clear Lake North 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.

Top-rated places to stay near Clear Lake North

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

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

Jan
62°
Feb
64°
Mar
Apr
76°
May
78°
Jun
Jul
87°
Aug
87°
Sep
82°
Oct
76°
Nov
73°
Dec

Typical surface water temperature by month, from 138 field readings (20102025) via the EPA Water Quality Portal. See the full Clear Lake North water temperature breakdown →

Fishing Clear Lake North

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

MetricTrendChange/YearYears
Water Clarity Declining-0.105 m/yr6
Phosphorus Declining+13.41 µg/L/yr6
See year-by-year chart →

EPA Impairment Status

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

Causes of impairment

Algal growthNutrients (phosphorus, nitrogen)

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit FL3169G5 · Official waterbody report · Matched by proximity (1.18 km)

County Ranking

Ranked #55 of 320 lakes in Orange County

Nearby Lakes in Orange County

Frequently asked questions about Clear Lake North

Where is Clear Lake North?

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

What is the water quality grade for Clear Lake North?

Clear Lake North in Orange County, Florida has a water quality grade of B (Good). Water clarity: 3.4 ft visibility. Phosphorus: 20 µg/L.

Is Clear Lake North safe to swim in?

Based on E. coli testing, Clear Lake North never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 25 samples across 7 seasons. That works out to a bacteria swim-safety grade of A — a historical summary of past testing, not a current reading. Clear Lake North 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 Clear Lake North?

Clear Lake North typically sits around 87°F at the surface in August, from 138 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.

Where this data comes from

39 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Submitting organization not recorded for these samples39 samples · 2020–2025
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