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LakeQuality

Lake Rowena

B
Grade B — Good
Good · #2 of 320 lakes in the county · 1.8 ft clear · Eutrophic · from D
Eutrophic

Lake Rowena in Orange County, Florida has a water quality grade of B (Good). Water clarity: 1.8 ft visibility. Phosphorus: 34 µg/L.

Clarity
1.8 ft
Type
Eutrophic
Trend
Declining

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Lake Rowena 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, Lake Rowena ranks #2 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-02-26. Grade methodology: LakeQuality methodology.

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Swimming Safety

Grade only

Low 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

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Water Quality Grade: B (Good)

Very murky, less than 1.8 ft of visibility. Phosphorus level: 34 µg/L. Trophic State Index: 62.

MetricValueGrade
Water Clarity (Secchi Depth)1.8 ftNot graded
Phosphorus34 µg/LGood
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)62Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Lake Rowena

Compare lakeside cabins, hotels, and vacation rentals near Lake Rowena 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 Lake Rowena

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 →

Fishing Lake Rowena

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

MetricTrendChange/YearYears
Water Clarity Declining-0.105 m/yr6
Phosphorus Declining+1.29 µg/L/yr6
See year-by-year chart →

EPA Impairment Status

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

Causes of impairment

Algal growthImpaired biota (cause unknown)

Source: EPA ATTAINS assessment unit FL2997L · Official waterbody report · Matched by proximity (1.08 km)

County Ranking

Ranked #2 of 320 lakes in Orange County

Nearby Lakes in Orange County

Frequently asked questions about Lake Rowena

Where is Lake Rowena?

Lake Rowena 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 Lake Rowena?

Lake Rowena in Orange County, Florida has a water quality grade of B (Good). Water clarity: 1.8 ft visibility. Phosphorus: 34 µg/L.

Is Lake Rowena safe to swim in?

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

Planning a trip around Canaveral?

Lake Rowena is about 40 miles from Canaveral National Seashore. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.

Best time to visit Canaveral

Where this data comes from

116 measurements from 8 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Submitting organization not recorded for these samples70 samples · 2021–2025
  • Submitting organization not recorded for these samples46 samples · 2020–2025
Monitoring station identifiers (8)

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