Lake Valrico Middle
Hillsborough County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Lake Valrico Middle. Here is what has been measured.
- Hypereutrophic
- Impaired · Algal growth
Lake Valrico Middle in Hillsborough County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Phosphorus: 112 µg/L.
Lake Valrico Middle is a highly nutrient-loaded hypereutrophic lake in Hillsborough County, Florida. Water clarity is improving over recent sampling years. Compared to the 123 other monitored lakes in Hillsborough County, Lake Valrico Middle ranks #116 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-09-09. Methodology: how these readings are compared.
Vrbo is where to look for cabins and lake homes around Lake Valrico Middle, and Booking.com and Expedia search hotels near the lake for your dates.
Swimming conditions
Readings onlyRecreation use not supported
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Based on E. coli testing, Lake Valrico Middle never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 27 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.
Whether Lake Valrico Middle 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 Lake Valrico Middle
These are the measurements Florida DEP publishes for Lake Valrico Middle, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 112 µg/L. TSI 72.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 112µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 72 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Lake Valrico Middle
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Lake Valrico Middle typically sits around 86°F at the surface in September. Summer average is about 86°F. Usually warmest in Jul (about 87°F) and coldest in Feb (about 58°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (58°F) to its warmest (87°F).
Typical surface water temperature by month, from 39 field readings (2010–2025) via the EPA Water Quality Portal. See the full Lake Valrico Middle water temperature breakdown →
Stays via Stay22
Stays near Lake Valrico Middle
Compare lakeside cabins, hotels, and vacation rentals near Lake Valrico 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 readings cover nutrients and algae, not lodging. Cabins and rentals around Lake Valrico Middle are listed below.
Top-rated places to stay near Lake Valrico Middle
Prices for Oct 16–18, 4 adults. Change dates on the map below.
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Fishing Lake Valrico Middle
Water Quality Trend: Stable
Based on 6 years of monitoring (2020–2025).
Water clarity
Improving3 years
Phosphorus
Worsening+8.69 µg/L/yr6 years
EPA Impairment Status
Lake Valrico Middle is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL1547A · Official waterbody report
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Lake Valrico Middle under Clean Water Act (NPDES) discharge permits, including 1 classified by the EPA as major discharger. 1 facility has a reported Clean Water Act violation in the past three years.
- Valrico AwwtfDover · 1.8 mi away · NPDES FL0040983MajorRecent violation
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in Hillsborough County
Frequently asked questions about Lake Valrico Middle
Where is Lake Valrico Middle?
- Lake Valrico Middle 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 Lake Valrico Middle?
- Lake Valrico Middle in Hillsborough County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Phosphorus: 112 µg/L.
Is Lake Valrico Middle safe to swim in?
- Based on E. coli testing, Lake Valrico Middle never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 27 samples across 7 seasons. That is a historical summary of past bacteria testing, not a current reading and not a swimming clearance. Bacteria levels can spike quickly after heavy rain, so whether Lake Valrico Middle is safe to swim in today is a call for Florida's water agency and the county health department; check their current beach advisories before you swim.
What is the water temperature of Lake Valrico Middle?
- Lake Valrico Middle typically sits around 86°F at the surface in September, from 39 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.
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Where this data comes from
24 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 samples24 samples · 2020–2025
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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Regulated discharger data from EPA ECHO (ICIS-NPDES)