Mlc Lake
Mlc Lake in Washington County, Florida has a water quality grade of B (Good). Water clarity: 14.1 ft visibility. Phosphorus: 6 µg/L.
- Clarity
- 14.1 ft
- Typical in August
- 85°F
- Max depth
- ~47 ft est.
- Type
- Oligotrophic
- Trend
- ↑ Improving
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Mlc Lake is a cold, clear oligotrophic lake in Washington County, Florida with an estimated average depth of about 47 feet. Water quality is graded B based on 1 sampling years through 2020. Overall water quality is improving over recent sampling years. Compared to the 3 other monitored lakes in Washington County, Mlc Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2020-08-04. 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)
Good clarity, visible to about 14.1 ft. Phosphorus level: 6 µg/L. Trophic State Index: 34.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 14.1 ft | Not graded |
| Phosphorus | 6 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 34 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Mlc Lake
Compare lakeside cabins, hotels, and vacation rentals near Mlc Lake in Washington 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 Mlc Lake
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Water Temperature
Mlc Lake typically sits around 85°F at the surface in August. Summer average is about 83°F. Usually warmest in Jun (about 85°F) and coldest in Jan (about 62°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 18 field readings (2019–2020) via the EPA Water Quality Portal. See the full Mlc Lake water temperature breakdown →
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~47 ft est. |
| Average Depth | ~17 ft est. |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Florida has not published bathymetry for Mlc Lake.
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Fishing Mlc Lake
Water Quality Trend: ↑ Improving
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +3.1 m/yr | 2 |
| Phosphorus | ↑ Improving | -2 µg/L/yr | 2 |
County Ranking
Ranked #1 of 4 lakes in Washington County
Nearby Lakes in Washington County
Frequently asked questions about Mlc Lake
Where is Mlc Lake?
- Mlc Lake is a lake in Washington County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Mlc Lake?
- Mlc Lake in Washington County, Florida has a water quality grade of B (Good). Water clarity: 14.1 ft visibility. Phosphorus: 6 µg/L.
Is Mlc Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Mlc Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
What is the water temperature of Mlc Lake?
- Mlc Lake typically sits around 85°F at the surface in August, from 18 EPA Water Quality Portal field readings (2019–2020). That is a typical value for the month, not a live reading.
How deep is Mlc Lake?
- No published bathymetric survey covers Mlc Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 47 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
Explore Mlc Lake across LakeQuality
More Florida Lake Rankings
Other Grade B Lakes in Florida
Oligotrophic Lakes in Florida
Where this data comes from
8 measurements from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples8 samples · 2020
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
Lake size & watershed from HydroLAKES (HydroSHEDS)