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LakeQuality

Hillsborough-June Lake

C
Grade C — Fair
Fair · #85 of 124 lakes in the county · 3 ft clear · Eutrophic
Eutrophic

Hillsborough-June Lake in Hillsborough County, Florida has a water quality grade of C (Fair). Water clarity: 3 ft visibility. Phosphorus: 51 µg/L.

Clarity
3 ft
Type
Eutrophic
Trend
Declining

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Hillsborough-June Lake is a productive, nutrient-rich eutrophic lake in Hillsborough County, Florida. Water quality is graded C based on 1 sampling years through 2025. Overall water quality is declining over recent sampling years. Compared to the 123 other monitored lakes in Hillsborough County, Hillsborough-June Lake ranks #85 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-04-10. Grade methodology: LakeQuality methodology.

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Swimming Safety

Grade only

Moderate

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.

Generally safe for swimming, moderate water quality

Get alerts for Hillsborough-June Lake

Water Quality Grade: C (Fair)

Very murky, less than 3 ft of visibility. Phosphorus level: 51 µg/L. Trophic State Index: 61.

MetricValueGrade
Water Clarity (Secchi Depth)3 ftNot graded
Phosphorus51 µg/LFair
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)61Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Hillsborough-June Lake

Compare lakeside cabins, hotels, and vacation rentals near Hillsborough-June Lake in Hillsborough 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 Hillsborough-June Lake

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Fishing Hillsborough-June Lake

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

MetricTrendChange/YearYears
Water Clarity Declining-0.735 m/yr5
Phosphorus Declining+14.11 µg/L/yr6
See year-by-year chart →

EPA Impairment Status

Hillsborough-June Lake 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)Nutrients (phosphorus, nitrogen)

Source: EPA ATTAINS assessment unit FL1576A · Official waterbody report · Matched by proximity (1.21 km)

County Ranking

Ranked #85 of 124 lakes in Hillsborough County

Nearby Lakes in Hillsborough County

Frequently asked questions about Hillsborough-June Lake

Where is Hillsborough-June Lake?

Hillsborough-June Lake is a lake in Hillsborough County, Florida. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.

What is the water quality grade for Hillsborough-June Lake?

Hillsborough-June Lake in Hillsborough County, Florida has a water quality grade of C (Fair). Water clarity: 3 ft visibility. Phosphorus: 51 µg/L.

Is Hillsborough-June Lake safe to swim in?

Generally safe for swimming, moderate water quality. Hillsborough-June Lake has a water quality grade of C (Fair). Always check local health department advisories before swimming.

Where this data comes from

82 measurements from 3 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • FLORIDA LAKEWATCH21FLKWAT_WQX82 samples · 2020–2025
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