Leon-Munson Lake
Leon-Munson Lake in Leon County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 2.5 ft visibility. Phosphorus: 124 µg/L. Surface area: 253 acres.
- Clarity
- 2.5 ft
- Area
- 253 acres
- Type
- Eutrophic
- Trend
- → Stable
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Leon-Munson Lake →
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Leon-Munson Lake is a 253-acre productive, nutrient-rich eutrophic lake in Leon County, Florida. Water quality is graded D based on 1 sampling years through 2024. Water clarity is improving over recent sampling years. Compared to the 58 other monitored lakes in Leon County, Leon-Munson Lake ranks #55 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-10-05. 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.
Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum
Water Quality Grade: D (Nutrient-rich)
Very murky, less than 2.5 ft of visibility. Phosphorus level: 124 µg/L. Trophic State Index: 69.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.5 ft | Not graded |
| Phosphorus | 124 µg/L | Poor |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 69 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Leon-Munson Lake
Compare lakeside cabins, hotels, and vacation rentals near Leon-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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Leon-Munson Lake are listed below.
Top-rated places to stay near Leon-Munson 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 →
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 253 acres |
No bathymetric survey has been published for Leon-Munson Lake, so its depth is not documented here.
Fishing Leon-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)
Leon-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 · Matched by proximity (0.01 km)
EPA Impairment Status
Leon-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 · Matched by proximity (0.66 km)
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Leon-Munson Lake under Clean Water Act (NPDES) discharge permits.
- Lake Munson Hab Pilot DemonstrationTallahassee · 0 mi away · NPDES FL0A00016
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
County Ranking
Ranked #55 of 59 lakes in Leon County
Nearby Lakes in Leon County
Frequently asked questions about Leon-Munson Lake
Where is Leon-Munson Lake?
- Leon-Munson Lake is a lake in Leon County, Florida. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Leon-Munson Lake?
- Leon-Munson Lake in Leon County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 2.5 ft visibility. Phosphorus: 124 µg/L. Surface area: 253 acres.
Is Leon-Munson Lake safe to swim in?
- Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Leon-Munson Lake has a water quality grade of D (Nutrient-rich). Always check local health department advisories before swimming.
Explore Leon-Munson Lake across LakeQuality
More Florida Lake Rankings
Other Grade D Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
26 measurements from 1 monitoring station, 2023–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX26 samples · 2023–2024
Monitoring station identifiers (1)
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)