Blackctr Lake
Blackctr Lake in Pasco County, Florida has a water quality grade of B (Good). Water clarity: 3.1 ft visibility. Phosphorus: 32 µg/L.
- Clarity
- 3.1 ft
- Typical in August
- 81°F
- Type
- Eutrophic
- Trend
- ↑ Improving
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Blackctr Lake is a productive, nutrient-rich eutrophic lake in Pasco County, Florida. Water quality is graded B based on 1 sampling years through 2025. Overall water quality is improving over recent sampling years. Compared to the 14 other monitored lakes in Pasco County, Blackctr Lake ranks #9 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-06-17. 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.
Good for swimming, clear water with low algae levels
Water Quality Grade: B (Good)
Very murky, less than 3.1 ft of visibility. Phosphorus level: 32 µg/L. Trophic State Index: 57.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.1 ft | Not graded |
| Phosphorus | 32 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 57 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Blackctr Lake
Compare lakeside cabins, hotels, and vacation rentals near Blackctr Lake in Pasco 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 Blackctr Lake
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Water Temperature
Blackctr Lake typically sits around 81°F at the surface in August. Summer average is about 83°F. Usually warmest in Sep (about 86°F) and coldest in Jan (about 59°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 68 field readings (2010–2025) via the EPA Water Quality Portal. See the full Blackctr Lake water temperature breakdown →
Fishing Blackctr Lake
Water Quality Trend: ↑ Improving
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.229 m/yr | 3 |
| Phosphorus | ↑ Improving | -1.07 µg/L/yr | 3 |
EPA Impairment Status
Blackctr 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 FL1464A · Official waterbody report · Matched by proximity (0.01 km)
County Ranking
Ranked #9 of 15 lakes in Pasco County
Nearby Lakes in Pasco County
Frequently asked questions about Blackctr Lake
Where is Blackctr Lake?
- Blackctr Lake is a lake in Pasco County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Blackctr Lake?
- Blackctr Lake in Pasco County, Florida has a water quality grade of B (Good). Water clarity: 3.1 ft visibility. Phosphorus: 32 µg/L.
Is Blackctr Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Blackctr Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
What is the water temperature of Blackctr Lake?
- Blackctr Lake typically sits around 81°F at the surface in August, from 68 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.
Explore Blackctr Lake across LakeQuality
More Florida Lake Rankings
Other Grade B Lakes in Florida
Hillsborough County · 9 ft
Hillsborough County · 7 ft
Hillsborough County · 8.3 ft
Hillsborough County · 5 ft
Hillsborough County · 9.8 ft
Hillsborough County · 5.5 ft
Eutrophic Lakes in Florida
Where this data comes from
17 measurements from 1 monitoring station, 2024–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples17 samples · 2024–2025
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