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Crescent Lake South of Bear Island

Putnam County, FloridaView mapDirections

This is the name Florida DEP records for this water. It can describe one sampling location rather than the water as a whole.

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

  • Impaired · Algal growth
  • Limited data

Crescent Lake South of Bear Island in Putnam County, Florida has water-quality measurements published by Florida DEP, shown here as reported.

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Crescent Lake South of Bear Island is a lake in Putnam County, Florida.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-05-29. Methodology: how these readings are compared.

Swimming conditions

No reading

Recreation use not supported

Nutrient and algae readings are not a swimming clearance. Crescent Lake South of Bear Island is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.

Whether Crescent Lake South of Bear Island 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 Crescent Lake South of Bear Island

These are the measurements Florida DEP publishes for Crescent Lake South of Bear Island, 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 Crescent Lake South of Bear Island

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

Stays via Stay22

Stays near Crescent Lake South of Bear Island

Compare lakeside cabins, hotels, and vacation rentals near Crescent Lake South of Bear Island in Putnam 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 Crescent Lake South of Bear Island

Prices for Oct 16–18, 4 adults. Change dates on the map below.

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Fishing Crescent Lake South of Bear Island

EPA Impairment Status

Crescent Lake South of Bear Island is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).

Causes of impairment

Algal growthMercuryNutrients (phosphorus, nitrogen)

Designated uses not supporting: Aquatic life, Fish consumption, Recreation.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit FL2606B · Official waterbody report

Nearby Lakes in Putnam County

Frequently asked questions about Crescent Lake South of Bear Island

Where is Crescent Lake South of Bear Island?

Crescent Lake South of Bear Island is in Putnam County, Florida. This is the name Florida DEP records for this water. It can describe one sampling location rather than the water as a whole. Its water-quality measurements are published by Florida DEP and shown on this page as reported.

What is the water quality of Crescent Lake South of Bear Island?

Crescent Lake South of Bear Island in Putnam County, Florida has water-quality measurements published by Florida DEP, shown here as reported.

Measurements on this page ↑

Is Crescent Lake South of Bear Island safe to swim in?

Nutrient and algae readings are not a swimming clearance. Crescent Lake South of Bear Island is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.

Swimming on this page ↑

Planning a trip around Fort Matanzas?

Crescent Lake South of Bear Island is about 25 miles from Fort Matanzas National Monument. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.

Best time to visit Fort Matanzas →

Where this data comes from

1 measurement from 1 monitoring station, 2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Submitting organization not recorded for these samples1 sample · 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