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Lake Ariana

Polk County, FloridaView mapDirections

No nutrient or algae sampling on record from Florida DEP for this lake.

Trend
Worsening
6 years of samples
  • Public access
  • Limited data
See the measurementsDirectionsWhere to stay

Lake Ariana in Polk County, Florida has water-quality measurements published by Florida DEP, shown here as reported.

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Lake Ariana 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 2023-02-07. Methodology: how these readings are compared.

What Lake Ariana is good for

From access and monitoring records, not editorial picks.

  • Boat launch1 documented ramp

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Lake Ariana 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.

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Water quality measurements for Lake Ariana

These are the measurements Florida DEP publishes for Lake Ariana, 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 Lake Ariana

Answers come straight from the public measurements and survey records on this page.

Recreation & Access

1
Boat Landings
Yes
Public Access
  • Lake Ariana 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 Lake Ariana

Compare lakeside cabins, hotels, and vacation rentals near Lake Ariana 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 Lake Ariana

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 Ariana’s readings

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Fishing Lake Ariana

Water Quality Trend: Worsening

Based on 6 years of monitoring (2020–2025).

  • Water clarity

    Worsening

    6 years

  • Phosphorus

    Stable

    +0.06 µg/L/yr6 years

See year-by-year chart →

Regulated Pollution Sources Nearby

1 EPA-permitted facility operate within about 5 miles of Lake Ariana under Clean Water Act (NPDES) discharge permits, including 1 classified by the EPA as major discharger.

  • Auburndale City Of
    Auburndale · 0.1 mi away · NPDES FLS266604
    Major

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 Polk County

Polk-Whistler Lake5 ft clear · Eutrophic1.2 miView →Whistlercn Lake2 ft clear · Eutrophic1.2 miView →Lake Whistler @ Dock4.6 ft clear · Eutrophic1.2 miView →Polk-Arietta Lake4.7 ft clear · Eutrophic2 miView →Lake Mariana2 ft clear—View →Polk-Marianna Lake2 ft clear · Eutrophic—View →

Frequently asked questions about Lake Ariana

Where is Lake Ariana?

Lake Ariana 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 Ariana?

Lake Ariana in Polk County, Florida has water-quality measurements published by Florida DEP, shown here as reported.

Measurements on this page ↑

Is Lake Ariana safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

Are there boat ramps on Lake Ariana?

Lake Ariana has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Ariana Park Public Boat Ramp. Public access is listed as yes.

Access on this page ↑

Can I fish at Lake Ariana?

Lake Ariana 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.

Access on this page ↑

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Where this data comes from

4 measurements from 2 monitoring stations, 2020–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Submitting organization not recorded for these samples4 samples · 2020–2023
Monitoring station identifiers (2)

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

Regulated discharger data from EPA ECHO (ICIS-NPDES)

Named boat-access points from the USGS National Boat Ramps inventory