Putnam-Annie Lake
Putnam-Annie Lake in Putnam County, Florida has a water quality grade of B (Good). Water clarity: 11.3 ft visibility. Phosphorus: 10.5 µg/L.
- Clarity
- 11.3 ft
- Type
- Mesotrophic
- Trend
- ↑ Improving
Next lake in Putnam County
Swipe left or right on this bar to open the next or previous lake.
Putnam-Annie Lake is a mesotrophic lake in Putnam County, Florida. Water quality is graded B based on 1 sampling years through 2024. Overall water quality is improving over recent sampling years. Compared to the 27 other monitored lakes in Putnam County, Putnam-Annie Lake ranks #19 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-02-29. Grade methodology: LakeQuality methodology.
Watch Putnam-Annie Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Grade onlyBacteria advisory
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Good for swimming, clear water with low algae levels
Water Quality Grade: B (Good)
Good clarity, visible to about 11.3 ft. Phosphorus level: 10.5 µg/L. Trophic State Index: 40.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 11.3 ft | Not graded |
| Phosphorus | 10.5 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 40 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Putnam-Annie Lake
Compare lakeside cabins, hotels, and vacation rentals near Putnam-Annie 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 Putnam-Annie Lake
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 →
Fishing Putnam-Annie Lake
Water Quality Trend: ↑ Improving
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +1.575 m/yr | 3 |
| Phosphorus | ↑ Improving | -1.25 µg/L/yr | 3 |
EPA Impairment Status
Putnam-Annie Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit FL2713 · Official waterbody report · Matched by proximity (1.34 km)
County Ranking
Ranked #19 of 28 lakes in Putnam County
Nearby Lakes in Putnam County
Frequently asked questions about Putnam-Annie Lake
Where is Putnam-Annie Lake?
- Putnam-Annie Lake is a lake in Putnam County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Putnam-Annie Lake?
- Putnam-Annie Lake in Putnam County, Florida has a water quality grade of B (Good). Water clarity: 11.3 ft visibility. Phosphorus: 10.5 µg/L.
Is Putnam-Annie Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Putnam-Annie Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
Explore Putnam-Annie Lake across LakeQuality
More Florida Lake Rankings
Other Grade B Lakes in Florida
Mesotrophic Lakes in Florida
Where this data comes from
35 measurements from 3 monitoring stations, 2023–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX35 samples · 2023–2024
Monitoring station identifiers (3)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database