Putnam-Broward Lake
Putnam County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Putnam-Broward Lake. Here is what has been measured.
- Mesotrophic
- Impaired · Mercury
Putnam-Broward Lake in Putnam County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 11 ft visibility. Phosphorus: 12 µg/L.
Putnam-Broward Lake is a mesotrophic lake in Putnam County, Florida. Overall water quality is declining over recent sampling years. Compared to the 27 other monitored lakes in Putnam County, Putnam-Broward Lake ranks #6 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-01-28. Methodology: how these readings are compared.
What Putnam-Broward Lake is good for
From access and monitoring records, not editorial picks.
- Clear water11 ft of visibility
Swimming conditions
Readings onlyLow algae
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. Putnam-Broward Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Whether Putnam-Broward 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 Putnam-Broward Lake
These are the measurements Florida DEP publishes for Putnam-Broward Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 11 ft. Phosphorus 12 µg/L. TSI 41.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 11ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 12µg/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. | 41 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Putnam-Broward Lake
Answers come straight from the public measurements and survey records on this page.
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Stays near Putnam-Broward Lake
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Fishing Putnam-Broward Lake
Water Quality Trend: Worsening
Based on 5 years of monitoring (2021–2025).
Water clarity
Worsening5 years
Phosphorus
Worsening+0.65 µg/L/yr5 years
EPA Impairment Status
Putnam-Broward 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: Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL2617A · Official waterbody report
Nearby Lakes in Putnam County
Frequently asked questions about Putnam-Broward Lake
Where is Putnam-Broward Lake?
- Putnam-Broward 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 Putnam-Broward Lake?
- Putnam-Broward Lake in Putnam County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 11 ft visibility. Phosphorus: 12 µg/L.
Is Putnam-Broward Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Putnam-Broward Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Explore Putnam-Broward Lake across LakeQuality
Planning a trip around Fort Matanzas?
Putnam-Broward Lake is about 26 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 →More lakes in Florida
Other Lakes in Florida
Mesotrophic Lakes in Florida
Where this data comes from
209 measurements from 3 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX209 samples · 2020–2025
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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database