Mason Lake is a lake in Putnam County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.

Mason Lake

Putnam County, Florida74 acresView map Directions

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

Area

74 acres

Surface area

Shoreline

1.4 mi

Measured length

Impaired · Mercury

See the measurements Directions Where to stay

Mason Lake in Putnam County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Surface area: 74 acres.

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Mason Lake is a 74-acre lake in Putnam County, Florida.

Source: EPA Water Quality Portal sampling records, FDEP. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Mason Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.

Whether Mason 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.

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Water quality measurements for Mason Lake

These are the measurements Florida DEP publishes for Mason 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. TSI undefined.

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

Lake Details

Surface area

74 acres

Shoreline

1.4 mi

No bathymetric survey has been published for Mason Lake, so its depth is not documented here.

Stays via Stay22

Stays near Mason Lake

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

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Fishing Mason Lake

→ Mason Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

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

Causes of impairment

Mercury

Designated uses not supporting: Fish consumption.

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

Source: EPA ATTAINS assessment unit FL2575Q · Official waterbody report

Nearby Lakes in Putnam County

Cue Lake0.8 miView →Lake Loyal1.1 miView →Long Lake1 miView →Lake Green Sills1.7 miView →Lake Goodson1.6 miView →Putnam-Barco Lake17 ft clear · Oligotrophic1.8 miView →

Frequently asked questions about Mason Lake

Where is Mason Lake?: Mason Lake is a lake in Putnam County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Mason Lake?: Mason Lake in Putnam County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Surface area: 74 acres.
Is Mason Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Mason Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.