Lakegrady
Hillsborough County, Florida120 acresView mapDirections
No nutrient or algae sampling on record from Florida DEP for this lake.
- Limited data
Lakegrady in Hillsborough County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Surface area: 120 acres.
Lakegrady is a 120-acre lake in Hillsborough County, Florida. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2023-05-04. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lakegrady is safe to swim in today is a call for the Florida Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lakegrady
These are the measurements Florida DEP publishes for Lakegrady, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data.
Ask about Lakegrady
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Lakegrady typically sits around 86°F at the surface in July. Summer average is about 86°F. Usually warmest in Jul (about 86°F) and coldest in Feb (about 76°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (76°F) to its warmest (86°F).
Typical surface water temperature by month, from 9 field readings (2019–2023) via the EPA Water Quality Portal. See the full Lakegrady water temperature breakdown →
Lake Details
Surface area
120 acres
No bathymetric survey has been published for Lakegrady, so its depth is not documented here.
Stays via Stay22
Stays near Lakegrady
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Follow Lakegrady’s readings
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Fishing Lakegrady
Water quality readings over time
3 seasons of samples on record (2022–2025). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Worsening3 years
Phosphorus
Worsening+27.93 µg/L/yr3 years
Reservoir Info (USACE NID)
Lakegrady is a man-made reservoir impounded by the Shadow Run Dam (completed 1969), built primarily for recreation on the Bell Creek; earth-type dam, 30 ft tall and 1,015 ft long.
- Surface area
- 120 ac
- Normal storage
- 750 ac-ft
- Max storage
- 3,119 ac-ft
- Drainage area
- 17.43 sq mi
- Hazard class
- High
- Owner
- SHADOW RUN DAM CORP
All listed purposes: Recreation;Fish and Wildlife Pond.
Source: USACE National Inventory of Dams, NID ID FL00176 · Operator website · Matched by proximity (0.35 km)
Nearby Lakes in Hillsborough County
Frequently asked questions about Lakegrady
Where is Lakegrady?
- Lakegrady is a lake in Hillsborough County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Lakegrady?
- Lakegrady in Hillsborough County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Surface area: 120 acres.
Is Lakegrady safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Lakegrady?
- Lakegrady typically sits around 86°F at the surface in July, from 9 EPA Water Quality Portal field readings (2019–2023). That is a typical value for the month, not a live reading.
Explore Lakegrady across LakeQuality
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Where this data comes from
2 measurements from 1 monitoring station, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples2 samples · 2023
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.