Chrchlk Lake
Chrchlk Lake in Putnam County, Florida has a water quality grade of B (Good). Water clarity: 7.4 ft visibility. Phosphorus: 12 µg/L.
- Clarity
- 7.4 ft
- Typical in August
- 81°F
- Type
- Mesotrophic
- Trend
- → Stable
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Chrchlk Lake is a mesotrophic lake in Putnam County, Florida. Water quality is graded B based on 1 sampling years through 2024. Compared to the 27 other monitored lakes in Putnam County, Chrchlk Lake ranks #12 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-07-25. 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)
Moderate clarity, visible to about 7.4 ft. Phosphorus level: 12 µg/L. Trophic State Index: 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 7.4 ft | Not graded |
| Phosphorus | 12 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Chrchlk Lake
Compare lakeside cabins, hotels, and vacation rentals near Chrchlk 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 Chrchlk Lake
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Water Temperature
Chrchlk Lake typically sits around 81°F at the surface in August. Summer average is about 81°F. Usually warmest in Jul (about 81°F) and coldest in Jan (about 60°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 33 field readings (2017–2024) via the EPA Water Quality Portal. See the full Chrchlk Lake water temperature breakdown →
Fishing Chrchlk Lake
Water Quality Trend: → Stable
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | -0.013 m/yr | 3 |
| Phosphorus | → Stable | -0.12 µg/L/yr | 3 |
EPA Impairment Status
Chrchlk Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4C).
Causes of impairment
Source: EPA ATTAINS assessment unit FL2716C · Official waterbody report · Matched by proximity (2.44 km)
County Ranking
Ranked #12 of 28 lakes in Putnam County
Nearby Lakes in Putnam County
Frequently asked questions about Chrchlk Lake
Where is Chrchlk Lake?
- Chrchlk 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 Chrchlk Lake?
- Chrchlk Lake in Putnam County, Florida has a water quality grade of B (Good). Water clarity: 7.4 ft visibility. Phosphorus: 12 µg/L.
Is Chrchlk Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Chrchlk Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
What is the water temperature of Chrchlk Lake?
- Chrchlk Lake typically sits around 81°F at the surface in August, from 33 EPA Water Quality Portal field readings (2017–2024). That is a typical value for the month, not a live reading.
Explore Chrchlk Lake across LakeQuality
More Florida Lake Rankings
Other Grade B Lakes in Florida
Mesotrophic Lakes in Florida
Where this data comes from
11 measurements from 1 monitoring station, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FL Dept. of Environmental Protection, Northeast District
21FLA_WQX11 samples · 2020–2024
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