Orange-Lancaster Lake
Orange-Lancaster Lake in Orange County, Florida has a water quality grade of B (Good). Water clarity: 4 ft visibility. Phosphorus: 32.5 µg/L.
- Clarity
- 4 ft
- Type
- Eutrophic
- Trend
- ↓ Declining
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Orange-Lancaster Lake is a productive, nutrient-rich eutrophic lake in Orange County, Florida. Water quality is graded B based on 1 sampling years through 2022. Overall water quality is declining over recent sampling years. Compared to the 319 other monitored lakes in Orange County, Orange-Lancaster Lake ranks #14 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2022-08-13. Grade methodology: LakeQuality methodology.
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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)
Murky, only visible to about 4 ft. Phosphorus level: 32.5 µg/L. Trophic State Index: 56.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4 ft | Not graded |
| Phosphorus | 32.5 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 56 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Orange-Lancaster Lake
Compare lakeside cabins, hotels, and vacation rentals near Orange-Lancaster 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 Orange-Lancaster Lake
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Fishing Orange-Lancaster Lake
Water Quality Trend: ↓ Declining
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.206 m/yr | 6 |
| Phosphorus | → Stable | -0.26 µg/L/yr | 6 |
EPA Impairment Status
Orange-Lancaster 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 FL3168Y · Official waterbody report · Matched by proximity (0.16 km)
County Ranking
Ranked #14 of 320 lakes in Orange County
Nearby Lakes in Orange County
Frequently asked questions about Orange-Lancaster Lake
Where is Orange-Lancaster Lake?
- Orange-Lancaster 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 Orange-Lancaster Lake?
- Orange-Lancaster Lake in Orange County, Florida has a water quality grade of B (Good). Water clarity: 4 ft visibility. Phosphorus: 32.5 µg/L.
Is Orange-Lancaster Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Orange-Lancaster Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
Explore Orange-Lancaster Lake across LakeQuality
More Florida Lake Rankings
Other Grade B Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
99 measurements from 3 monitoring stations, 2020–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX99 samples · 2020–2022
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