Cannon Lake
Polk County, FloridaView mapDirections
No nutrient or algae sampling on record from Florida DEP for this lake.
- Impaired · Algal growth
- Public access
- Limited data
Cannon Lake in Polk County, Florida has water-quality measurements published by Florida DEP, shown here as reported.
Cannon Lake is a lake in Polk County, Florida. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-02-12. Methodology: how these readings are compared.
What Cannon Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Cannon Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, nutrients (phosphorus, nitrogen), pH / acidity. Check local advisories before you swim.
Whether Cannon 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 Cannon Lake
These are the measurements Florida DEP publishes for Cannon Lake, 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 Cannon Lake
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Lake Cannon Park Public Boat RampPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Cannon Lake
Compare lakeside cabins, hotels, and vacation rentals near Cannon Lake 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.
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Fishing Cannon Lake
Water Quality Trend: Worsening
Based on 6 years of monitoring (2020–2025).
Water clarity
Worsening6 years
Phosphorus
Worsening+1.67 µg/L/yr6 years
EPA Impairment Status
Cannon Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
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 FL1521H · Official waterbody report
Nearby Lakes in Polk County
Frequently asked questions about Cannon Lake
Where is Cannon Lake?
- Cannon Lake 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 Cannon Lake?
- Cannon Lake in Polk County, Florida has water-quality measurements published by Florida DEP, shown here as reported.
Is Cannon Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Cannon Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, nutrients (phosphorus, nitrogen), pH / acidity. Check local advisories before you swim.
Are there boat ramps on Cannon Lake?
- Cannon Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Cannon Park Public Boat Ramp. Public access is listed as yes.
Can I fish at Cannon Lake?
- Cannon Lake 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.
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Where this data comes from
12 measurements from 1 monitoring station, 2024–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples12 samples · 2024–2025
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