Polk-Davenport North Lake
Polk County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Polk-Davenport North Lake. Here is what has been measured.
- Eutrophic
- Limited data
Polk-Davenport North Lake in Polk County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 3 ft visibility. Phosphorus: 24 µg/L.
Polk-Davenport North Lake is a productive, nutrient-rich eutrophic lake in Polk County, Florida. Overall water quality is declining over recent sampling years. Compared to the 176 other monitored lakes in Polk County, Polk-Davenport North Lake ranks #19 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2021-06-23. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLimited data
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 Polk-Davenport North 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 Polk-Davenport North Lake
These are the measurements Florida DEP publishes for Polk-Davenport North Lake, 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 3 ft of visibility. Phosphorus 24 µg/L. TSI 56.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 24µg/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. | 56 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Polk-Davenport North Lake
Answers come straight from the public measurements and survey records on this page.
Stays via Stay22
Stays near Polk-Davenport North Lake
Compare lakeside cabins, hotels, and vacation rentals near Polk-Davenport North 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.
Top-rated places to stay near Polk-Davenport North Lake
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 Polk-Davenport North Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Polk-Davenport North Lake
Water Quality Trend: Worsening
Based on 6 years of monitoring (2020–2025).
Water clarity
Worsening6 years
Phosphorus
Worsening+1.14 µg/L/yr6 years
Nearby Lakes in Polk County
Frequently asked questions about Polk-Davenport North Lake
Where is Polk-Davenport North Lake?
- Polk-Davenport North 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 Polk-Davenport North Lake?
- Polk-Davenport North Lake in Polk County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 3 ft visibility. Phosphorus: 24 µg/L.
Is Polk-Davenport North Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Polk-Davenport North Lake across LakeQuality
More lakes in Florida
Other Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
33 measurements from 3 monitoring stations, 2020–2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX33 samples · 2020–2021
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.