Orange-Black Lake
Orange-Black Lake in Orange County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 3 ft visibility. Phosphorus: 129.5 µg/L.
- Clarity
- 3 ft
- Type
- Eutrophic
- Trend
- ↑ Improving
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Orange-Black Lake →
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Orange-Black Lake is a productive, nutrient-rich eutrophic lake in Orange County, Florida. Water quality is graded D based on 1 sampling years through 2023. Overall water quality is improving over recent sampling years. Compared to the 319 other monitored lakes in Orange County, Orange-Black Lake ranks #314 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2023-01-29. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyLimited 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.
Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum
Water Quality Grade: D (Nutrient-rich)
Very murky, less than 3 ft of visibility. Phosphorus level: 129.5 µg/L. Trophic State Index: 68.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3 ft | Not graded |
| Phosphorus | 129.5 µg/L | Poor |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 68 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Orange-Black Lake
Compare lakeside cabins, hotels, and vacation rentals near Orange-Black 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 Orange-Black Lake are listed below.
Top-rated places to stay near Orange-Black Lake
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Planning a whole trip? See where to stay at Florida’s top lakes →
Fishing Orange-Black Lake
Water Quality Trend: ↑ Improving
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | +0.015 m/yr | 5 |
| Phosphorus | ↑ Improving | -3.2 µg/L/yr | 5 |
EPA Impairment Status
Orange-Black Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit FL2875B · Official waterbody report · Matched by proximity (1.16 km)
County Ranking
Ranked #314 of 320 lakes in Orange County
Nearby Lakes With Higher Grades
Orange-Black 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.
Nearby Lakes in Orange County
Frequently asked questions about Orange-Black Lake
Where is Orange-Black Lake?
- Orange-Black 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 Orange-Black Lake?
- Orange-Black Lake in Orange County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 3 ft visibility. Phosphorus: 129.5 µg/L.
Is Orange-Black 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. Orange-Black Lake has a water quality grade of D (Nutrient-rich). Always check local health department advisories before swimming.
Explore Orange-Black Lake across LakeQuality
More Florida Lake Rankings
Other Grade D Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
72 measurements from 3 monitoring stations, 2022–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX72 samples · 2022–2023
Monitoring station identifiers (3)
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