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LakeQuality

East Lake Middle

D
Grade D — Nutrient-rich
Nutrient-rich · #117 of 124 lakes in the county · Hypereutrophic
Hypereutrophic

East Lake Middle in Hillsborough County, Florida has a water quality grade of D (Nutrient-rich). Phosphorus: 96.5 µg/L.

Typical in August
87°F
Type
Hypereutrophic
Trend
Declining

Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near East Lake Middle

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East Lake Middle is a highly nutrient-loaded hypereutrophic lake in Hillsborough County, Florida. Water quality is graded D 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, East Lake Middle ranks #117 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-09-09. Grade methodology: LakeQuality methodology.

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Swimming Safety

Grade only

Bacteria B · advisory

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.

B
Bacteria swim-safety grade: B
from E. coli testing · 26 samples, 7 seasons

Based on E. coli testing, East Lake Middle rarely exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 3.8% of 26 samples across 7 seasons.

This is a historical summary of past testing, not a current condition — bacteria levels change quickly, especially after rain. Always check Florida’s current beach and health-department advisories before swimming.

Get alerts for East Lake Middle

Water Quality Grade: D (Nutrient-rich)

No clarity data. Phosphorus level: 96.5 µg/L. Trophic State Index: 70.

MetricValueGrade
Water Clarity (Secchi Depth)No recent samples
Phosphorus96.5 µg/LPoor
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)70Hypereutrophic

Very high nutrients, dense algae, poor clarity

Where to stay near East Lake Middle

Compare lakeside cabins, hotels, and vacation rentals near East Lake Middle 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around East Lake Middle are listed below.

Top-rated places to stay near East Lake Middle

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

East Lake Middle typically sits around 87°F at the surface in August. Summer average is about 86°F. Usually warmest in Aug (about 87°F) and coldest in Feb (about 64°F). These are typical values by month — not a live reading.

Jan
Feb
64°
Mar
72°
Apr
78°
May
83°
Jun
84°
Jul
Aug
87°
Sep
85°
Oct
74°
Nov
68°
Dec
67°

Typical surface water temperature by month, from 86 field readings (20102025) via the EPA Water Quality Portal. See the full East Lake Middle water temperature breakdown →

Fishing East Lake Middle

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

MetricTrendChange/YearYears
Water Clarity Declining-0.25 m/yr5
Phosphorus Declining+3.34 µg/L/yr6
See year-by-year chart →

EPA Impairment Status

East Lake Middle 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)Pathogens (E. coli, fecal)

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit FL1579A · Official waterbody report · Matched by proximity (0.04 km)

County Ranking

Ranked #117 of 124 lakes in Hillsborough County

Nearby Lakes in Hillsborough County

Frequently asked questions about East Lake Middle

Where is East Lake Middle?

East Lake Middle is a lake in Hillsborough County, Florida. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.

What is the water quality grade for East Lake Middle?

East Lake Middle in Hillsborough County, Florida has a water quality grade of D (Nutrient-rich). Phosphorus: 96.5 µg/L.

Is East Lake Middle safe to swim in?

Based on E. coli testing, East Lake Middle rarely exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 3.8% of 26 samples across 7 seasons. That works out to a bacteria swim-safety grade of B — a historical summary of past testing, not a current reading. East Lake Middle has a water quality grade of D (Nutrient-rich). Bacteria levels can spike quickly after heavy rain, so always check Florida's current beach and health-department advisories before you swim.

What is the water temperature of East Lake Middle?

East Lake Middle typically sits around 87°F at the surface in August, from 86 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.

Where this data comes from

23 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Submitting organization not recorded for these samples23 samples · 2020–2025
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