Clc Lake
Clc Lake in Washington County, Florida has a water quality grade of B (Good). Water clarity: 16.4 ft visibility. Phosphorus: 4.5 µg/L.
- Clarity
- 16.4 ft
- Typical in August
- 84°F
- Type
- Oligotrophic
- Trend
- → Stable
- Public access
- Yes
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Clc Lake is a cold, clear oligotrophic lake in Washington County, Florida. Water quality is graded B based on 1 sampling years through 2021. Water clarity is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 3 other monitored lakes in Washington County, Clc Lake ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2021-12-21. 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)
Crystal clear, you can see 16.4 ft down. Phosphorus level: 4.5 µg/L. Trophic State Index: 31.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 16.4 ft | Not graded |
| Phosphorus | 4.5 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 31 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Clc Lake
Compare lakeside cabins, hotels, and vacation rentals near Clc 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 Clc Lake
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Water Temperature
Clc Lake typically sits around 84°F at the surface in August. Summer average is about 82°F. Usually warmest in Aug (about 84°F) and coldest in Jan (about 61°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 33 field readings (2019–2021) via the EPA Water Quality Portal. See the full Clc Lake water temperature breakdown →
Recreation & Access
- Crystal Lake Public Boat RampPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Clc Lake
Water Quality Trend: → Stable
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -1.121 m/yr | 3 |
| Phosphorus | ↑ Improving | -0.29 µg/L/yr | 3 |
EPA Impairment Status
Clc 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 FL795A · Official waterbody report · Matched by proximity (0.04 km)
County Ranking
Ranked #4 of 4 lakes in Washington County
Nearby Lakes in Washington County
Frequently asked questions about Clc Lake
Where is Clc Lake?
- Clc 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 Clc Lake?
- Clc Lake in Washington County, Florida has a water quality grade of B (Good). Water clarity: 16.4 ft visibility. Phosphorus: 4.5 µg/L.
Is Clc Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Clc Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
What is the water temperature of Clc Lake?
- Clc Lake typically sits around 84°F at the surface in August, from 33 EPA Water Quality Portal field readings (2019–2021). That is a typical value for the month, not a live reading.
Are there boat ramps on Clc Lake?
- Clc Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Crystal Lake Public Boat Ramp. Public access is listed as yes.
Explore Clc Lake across LakeQuality
More Florida Lake Rankings
Other Grade B Lakes in Florida
Oligotrophic Lakes in Florida
Where this data comes from
18 measurements from 1 monitoring station, 2020–2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples18 samples · 2020–2021
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
Named boat-access points from the USGS National Boat Ramps inventory