Ola Lake
Ola Lake in Orange County, Florida has a water quality grade of B (Good). Water clarity: 8.5 ft visibility. Phosphorus: 6 µg/L.
- Clarity
- 8.5 ft
- Typical in December
- 66°F
- Type
- Oligotrophic
- Trend
- ↓ Declining
Next lake in Orange County
Swipe left or right on this bar to open the next or previous lake.
Ola Lake is a cold, clear oligotrophic 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, Ola Lake ranks #152 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-03-24. Grade methodology: LakeQuality methodology.
Watch Ola Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
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)
Moderate clarity, visible to about 8.5 ft. Phosphorus level: 6 µg/L. Trophic State Index: 38.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8.5 ft | Not graded |
| Phosphorus | 6 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 38 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Ola Lake
Compare lakeside cabins, hotels, and vacation rentals near Ola 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.
Top-rated places to stay near Ola 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
Ola Lake typically sits around 66°F at the surface in December. Usually warmest in Mar (about 73°F) and coldest in Jan (about 61°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 13 field readings (2023–2025) via the EPA Water Quality Portal. See the full Ola Lake water temperature breakdown →
Fishing Ola Lake
Water Quality Trend: ↓ Declining
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.47 m/yr | 5 |
| Phosphorus | ↓ Declining | +0.4 µg/L/yr | 5 |
EPA Impairment Status
Ola 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 FL2837B · Official waterbody report · Matched by proximity (2.87 km)
County Ranking
Ranked #152 of 320 lakes in Orange County
Nearby Lakes in Orange County
Frequently asked questions about Ola Lake
Where is Ola Lake?
- Ola Lake 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 Ola Lake?
- Ola Lake in Orange County, Florida has a water quality grade of B (Good). Water clarity: 8.5 ft visibility. Phosphorus: 6 µg/L.
Is Ola Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Ola Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
What is the water temperature of Ola Lake?
- Ola Lake typically sits around 66°F at the surface in December, from 13 EPA Water Quality Portal field readings (2023–2025). That is a typical value for the month, not a live reading.
Explore Ola Lake across LakeQuality
More Florida Lake Rankings
Other Grade B Lakes in Florida
Oligotrophic Lakes in Florida
Where this data comes from
79 measurements from 4 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 samples53 samples · 2020–2025
- Submitting organization not recorded for these samples26 samples · 2023–2025
Monitoring station identifiers (4)
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