Munson Lake
Munson Lake in Leon County, Florida has a water quality grade of B (Good). Water clarity: 1.6 ft visibility. Phosphorus: 34.5 µg/L. Surface area: 253 acres.
- Clarity
- 1.6 ft
- Area
- 253 acres
- Type
- Eutrophic
- Trend
- → Stable
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Munson Lake is a 253-acre productive, nutrient-rich eutrophic lake in Leon County, Florida. Water quality is graded B based on 1 sampling years through 2025. Water clarity is improving over recent sampling years. Compared to the 58 other monitored lakes in Leon County, Munson Lake ranks #23 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-05-21. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyLimited data
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)
Very murky, less than 1.6 ft of visibility. Phosphorus level: 34.5 µg/L. Trophic State Index: 63.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.6 ft | Not graded |
| Phosphorus | 34.5 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 63 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Munson Lake
Compare lakeside cabins, hotels, and vacation rentals near Munson Lake in Leon 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 Munson Lake
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 253 acres |
No bathymetric survey has been published for Munson Lake, so its depth is not documented here.
Fishing Munson Lake
Water Quality Trend: → Stable
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.225 m/yr | 5 |
| Phosphorus | ↓ Declining | +18.55 µg/L/yr | 5 |
Reservoir Info (USACE NID)
Munson Lake is a man-made reservoir impounded by the Lake Munson Dam on the Lake Munson; other-type dam, 8 ft tall and 173 ft long.
- Surface area
- 253 ac
- Normal storage
- 2,880 ac-ft
- Hazard class
- Undetermined
- Owner
- Leon County
Source: USACE National Inventory of Dams, NID ID FL50008 · Operator website
EPA Impairment Status
Munson Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL807C · Official waterbody report
County Ranking
Ranked #23 of 59 lakes in Leon County
Nearby Lakes in Leon County
Frequently asked questions about Munson Lake
Where is Munson Lake?
- Munson Lake is a lake in Leon County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Munson Lake?
- Munson Lake in Leon County, Florida has a water quality grade of B (Good). Water clarity: 1.6 ft visibility. Phosphorus: 34.5 µg/L. Surface area: 253 acres.
Is Munson Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Munson Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
Explore Munson Lake across LakeQuality
More Florida Lake Rankings
Other Grade B Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
16 measurements from 2 monitoring stations, 2022–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples12 samples · 2022
- Submitting organization not recorded for these samples4 samples · 2024–2025
Monitoring station identifiers (2)
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