Lake Crago
Polk County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Lake Crago. Here is what has been measured.
- Eutrophic
- Impaired · Algal growth
- Public access
- Limited data
Lake Crago in Polk County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 1.6 ft visibility. Phosphorus: 81 µg/L.
Lake Crago is a productive, nutrient-rich eutrophic lake in Polk County, Florida. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 176 other monitored lakes in Polk County, Lake Crago ranks #170 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-07-10. Methodology: how these readings are compared.
What Lake Crago is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
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.
Nutrient and algae readings are not a swimming clearance. Lake Crago is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Lake Crago 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 Crago
These are the measurements Florida DEP publishes for Lake Crago, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 1.6 ft of visibility. Phosphorus 81 µg/L. TSI 69.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.6ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 81µg/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. | 69 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Crago
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Lake Crago typically sits around 86°F at the surface in June. Summer average is about 86°F. Usually warmest in Jun (about 86°F) and coldest in Mar (about 70°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (70°F) to its warmest (86°F).
Typical surface water temperature by month, from 15 field readings (2021–2025) via the EPA Water Quality Portal. See the full Lake Crago water temperature breakdown →
Recreation & Access
- Lake Crago ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Lake Crago
Compare lakeside cabins, hotels, and vacation rentals near Lake Crago in Polk 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 Crago are listed below.
Top-rated places to stay near Lake Crago
Prices for Oct 16–18, 4 adults. Change dates on the map below.
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 →
Follow Lake Crago’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Lake Crago
Water Quality Trend: Stable
Based on 6 years of monitoring (2020–2025).
Water clarity
Stable6 years
Phosphorus
Stable-1.73 µg/L/yr6 years
EPA Impairment Status
Lake Crago 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.
Source: EPA ATTAINS assessment unit FL1497D1 · Official waterbody report
Nearby Lakes in Polk County
Frequently asked questions about Lake Crago
Where is Lake Crago?
- Lake Crago is a lake in Polk 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 Crago?
- Lake Crago in Polk County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 1.6 ft visibility. Phosphorus: 81 µg/L.
Is Lake Crago safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Crago is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
What is the water temperature of Lake Crago?
- Lake Crago typically sits around 86°F at the surface in June, from 15 EPA Water Quality Portal field readings (2021–2025). That is a typical value for the month, not a live reading.
Are there boat ramps on Lake Crago?
- Lake Crago has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Crago Park. Public access is listed as yes.
Can I fish at Lake Crago?
- Lake Crago has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Florida's fish and wildlife agency, so check its current regulations before you go.
Explore Lake Crago across LakeQuality
More lakes in Florida
Other Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
30 measurements from 1 monitoring station, 2021–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples30 samples · 2021–2025
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
Named boat-access points from the USGS National Boat Ramps inventory