Citrus-Fort Cooper Lake
Citrus County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Citrus-Fort Cooper Lake. Here is what has been measured.
- Mesotrophic
- 40 ft max depth
Citrus-Fort Cooper Lake in Citrus County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 6.5 ft visibility. Phosphorus: 15 µg/L.
Citrus-Fort Cooper Lake is a mesotrophic lake in Citrus County, Florida with an estimated average depth of about 40 feet. Overall water quality is declining over recent sampling years. Compared to the 31 other monitored lakes in Citrus County, Citrus-Fort Cooper Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-04-16. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLow algae
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.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Citrus-Fort Cooper Lake 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 Citrus-Fort Cooper Lake
These are the measurements Florida DEP publishes for Citrus-Fort Cooper Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 6.5 ft. Phosphorus 15 µg/L. TSI 47.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 6.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 15µg/L | Good 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. | 47 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Citrus-Fort Cooper Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Citrus-Fort Cooper Lake typically sits around 70°F at the surface in October. Summer average is about 82°F. Usually warmest in Aug (about 83°F) and coldest in Feb (about 56°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (56°F) to its warmest (83°F).
Typical surface water temperature by month, from 25 field readings (2010–2011) via the EPA Water Quality Portal. See the full Citrus-Fort Cooper Lake water temperature breakdown →
Lake Details
Max depth
~40 ft est.
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Florida has not published bathymetry for Citrus-Fort Cooper Lake.
Lake Size & Watershed
Watershed (drainage) area
0 sq mi
HydroLAKES / HydroSHEDS
Surface area
27 acres
HydroLAKES / HydroSHEDS
Shoreline
0.9 mi
HydroLAKES / HydroSHEDS
Elevation
23 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Stays via Stay22
Stays near Citrus-Fort Cooper Lake
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Fishing Citrus-Fort Cooper Lake
Water Quality Trend: Worsening
Based on 5 years of monitoring (2020–2024).
Water clarity
Stable5 years
Phosphorus
Worsening+2.6 µg/L/yr5 years
Nearby Lakes in Citrus County
Frequently asked questions about Citrus-Fort Cooper Lake
Where is Citrus-Fort Cooper Lake?
- Citrus-Fort Cooper Lake is a lake in Citrus County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Citrus-Fort Cooper Lake?
- Citrus-Fort Cooper Lake in Citrus County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 6.5 ft visibility. Phosphorus: 15 µg/L.
Is Citrus-Fort Cooper Lake 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 Citrus-Fort Cooper Lake?
- Citrus-Fort Cooper Lake typically sits around 70°F at the surface in October, from 25 EPA Water Quality Portal field readings (2010–2011). That is a typical value for the month, not a live reading.
How deep is Citrus-Fort Cooper Lake?
- No published bathymetric survey covers Citrus-Fort Cooper Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 40 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
Explore Citrus-Fort Cooper Lake across LakeQuality
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Where this data comes from
234 measurements from 3 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX234 samples · 2020–2025
Monitoring station identifiers (3)
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
Lake size & watershed from HydroLAKES (HydroSHEDS)